basebuilder_pel7x64builder0
3 years ago
15 changed files with 783 additions and 1 deletions
@ -0,0 +1,226 @@
@@ -0,0 +1,226 @@
|
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2017-01-19 Jiong Wang <jiong.wang@arm.com> |
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|
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* config/aarch64/aarch64-unwind.h: New file. |
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(DWARF_REGNUM_AARCH64_RA_STATE): Define. |
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(MD_POST_EXTRACT_ROOT_ADDR): New target marcro and define it on AArch64. |
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(MD_POST_EXTRACT_FRAME_ADDR): Likewise. |
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(MD_POST_FROB_EH_HANDLER_ADDR): Likewise. |
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(MD_FROB_UPDATE_CONTEXT): Define it on AArch64. |
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(aarch64_post_extract_frame_addr): New function. |
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(aarch64_post_frob_eh_handler_addr): New function. |
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(aarch64_frob_update_context): New function. |
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* config/aarch64/linux-unwind.h: Include aarch64-unwind.h |
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* config.host (aarch64*-*-elf, aarch64*-*-rtems*, |
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aarch64*-*-freebsd*): |
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Initialize md_unwind_header to include aarch64-unwind.h. |
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* unwind-dw2.c (struct _Unwind_Context): Define "RA_A_SIGNED_BIT". |
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(execute_cfa_program): Multiplex DW_CFA_GNU_window_save for |
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__aarch64__. |
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(uw_update_context): Honor MD_POST_EXTRACT_FRAME_ADDR. |
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(uw_init_context_1): Honor MD_POST_EXTRACT_ROOT_ADDR. |
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(uw_frob_return_addr): New function. |
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(uw_install_context): Use uw_frob_return_addr. |
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|
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--- libgcc/config.host (revision 244672) |
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+++ libgcc/config.host (revision 244674) |
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@@ -284,6 +284,7 @@ |
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extra_parts="$extra_parts crtbegin.o crtend.o crti.o crtn.o" |
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tmake_file="${tmake_file} ${cpu_type}/t-aarch64" |
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tmake_file="${tmake_file} ${cpu_type}/t-softfp t-softfp" |
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+ md_unwind_header=aarch64/aarch64-unwind.h |
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;; |
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aarch64*-*-linux*) |
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md_unwind_header=aarch64/linux-unwind.h |
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--- libgcc/config/aarch64/aarch64-unwind.h (nonexistent) |
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+++ libgcc/config/aarch64/aarch64-unwind.h (revision 244674) |
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@@ -0,0 +1,89 @@ |
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+/* Copyright (C) 2017 Free Software Foundation, Inc. |
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+ Contributed by ARM Ltd. |
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+ |
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+This file is part of GCC. |
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+ |
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+GCC is free software; you can redistribute it and/or modify it under |
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+the terms of the GNU General Public License as published by the Free |
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+Software Foundation; either version 3, or (at your option) any later |
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+version. |
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+ |
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+GCC is distributed in the hope that it will be useful, but WITHOUT ANY |
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+WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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+FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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+for more details. |
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+ |
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+Under Section 7 of GPL version 3, you are granted additional |
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+permissions described in the GCC Runtime Library Exception, version |
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+3.1, as published by the Free Software Foundation. |
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+ |
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+You should have received a copy of the GNU General Public License and |
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+a copy of the GCC Runtime Library Exception along with this program; |
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+see the files COPYING3 and COPYING.RUNTIME respectively. If not, see |
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+<http://www.gnu.org/licenses/>. */ |
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+ |
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+#ifndef AARCH64_UNWIND_H |
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+#define AARCH64_UNWIND_H |
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+ |
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+#define DWARF_REGNUM_AARCH64_RA_STATE 34 |
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+ |
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+#define MD_POST_EXTRACT_ROOT_ADDR(addr) \ |
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+ ({ void *__addr; asm ("mov x30, %0; hint 7; mov %0, x30" \ |
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+ : "=r" (__addr) : "0" (addr) : "x30", "cc"); __addr; }) |
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+#define MD_POST_EXTRACT_FRAME_ADDR(context, fs, addr) \ |
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+ aarch64_post_extract_frame_addr (context, fs, addr) |
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+#define MD_POST_FROB_EH_HANDLER_ADDR(current, target, addr) \ |
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+ aarch64_post_frob_eh_handler_addr (current, target, addr) |
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+#define MD_FROB_UPDATE_CONTEXT(context, fs) \ |
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+ aarch64_frob_update_context (context, fs) |
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+ |
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+/* Do AArch64 private extraction on ADDR based on context info CONTEXT and |
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+ unwind frame info FS. If ADDR is signed, we do address authentication on it |
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+ using CFA of current frame. */ |
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+ |
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+static inline void * |
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+aarch64_post_extract_frame_addr (struct _Unwind_Context *context, |
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+ _Unwind_FrameState *fs, void *addr) |
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+{ |
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+ if (fs->regs.reg[DWARF_REGNUM_AARCH64_RA_STATE].loc.offset & 0x1) |
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+ { |
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+ _Unwind_Word salt = (_Unwind_Word) context->cfa; |
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+ asm ("mov x17, %0; mov x16, %1; hint 12; mov %0, x17" |
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+ : "+r" (addr) : "r" (salt) : "x16", "x17", "cc"); |
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+ } |
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+ return addr; |
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+} |
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+ |
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+/* Do AArch64 private frob on exception handler's address HANDLER_ADDR before |
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+ installing it into current context CURRENT. TARGET is currently not used. |
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+ We need to sign exception handler's address if CURRENT itself is signed. */ |
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+ |
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+static inline void * |
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+aarch64_post_frob_eh_handler_addr (struct _Unwind_Context *current, |
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+ struct _Unwind_Context *target |
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+ ATTRIBUTE_UNUSED, |
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+ void *handler_addr) |
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+{ |
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+ if (current->flags & RA_A_SIGNED_BIT) |
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+ asm ("mov x17, %0; mov x16, %1; hint 8; mov %0, x17" |
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+ : "+r" (handler_addr) : "r" ((_Unwind_Word) current->cfa) |
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+ : "x16", "x17", "cc"); |
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+ return handler_addr; |
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+} |
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+ |
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+/* Do AArch64 private initialization on CONTEXT based on frame info FS. Mark |
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+ CONTEXT as return address signed if bit 0 of DWARF_REGNUM_AARCH64_RA_STATE is |
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+ set. */ |
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+ |
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+static inline void |
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+aarch64_frob_update_context (struct _Unwind_Context *context, |
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+ _Unwind_FrameState *fs) |
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+{ |
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+ if (fs->regs.reg[DWARF_REGNUM_AARCH64_RA_STATE].loc.offset & 0x1) |
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+ /* The flag is used for re-authenticating EH handler's address. */ |
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+ context->flags |= RA_A_SIGNED_BIT; |
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+ |
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+ return; |
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+} |
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+ |
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+#endif /* defined AARCH64_UNWIND_H */ |
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--- libgcc/config/aarch64/linux-unwind.h (revision 244672) |
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+++ libgcc/config/aarch64/linux-unwind.h (revision 244674) |
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@@ -24,6 +24,7 @@ |
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|
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#include <signal.h> |
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#include <sys/ucontext.h> |
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+#include "config/aarch64/aarch64-unwind.h" |
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|
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#define MD_FALLBACK_FRAME_STATE_FOR aarch64_fallback_frame_state |
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|
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--- libgcc/unwind-dw2.c (revision 244672) |
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+++ libgcc/unwind-dw2.c (revision 244674) |
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@@ -136,6 +136,8 @@ struct _Unwind_Context |
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#define SIGNAL_FRAME_BIT ((~(_Unwind_Word) 0 >> 1) + 1) |
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/* Context which has version/args_size/by_value fields. */ |
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#define EXTENDED_CONTEXT_BIT ((~(_Unwind_Word) 0 >> 2) + 1) |
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+ /* Bit reserved on AArch64, return address has been signed with A key. */ |
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+#define RA_A_SIGNED_BIT ((~(_Unwind_Word) 0 >> 3) + 1) |
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_Unwind_Word flags; |
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/* 0 for now, can be increased when further fields are added to |
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struct _Unwind_Context. */ |
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@@ -1189,6 +1191,11 @@ execute_cfa_program (const unsigned char |
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break; |
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|
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case DW_CFA_GNU_window_save: |
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+#ifdef __aarch64__ |
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+ /* This CFA is multiplexed with Sparc. On AArch64 it's used to toggle |
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+ return address signing status. */ |
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+ fs->regs.reg[DWARF_REGNUM_AARCH64_RA_STATE].loc.offset ^= 1; |
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+#else |
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/* ??? Hardcoded for SPARC register window configuration. */ |
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if (DWARF_FRAME_REGISTERS >= 32) |
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for (reg = 16; reg < 32; ++reg) |
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@@ -1192,6 +1199,7 @@ execute_cfa_program (const unsigned char |
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fs->regs.reg[reg].how = REG_SAVED_OFFSET; |
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fs->regs.reg[reg].loc.offset = (reg - 16) * sizeof (void *); |
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} |
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+#endif |
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break; |
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|
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case DW_CFA_GNU_args_size: |
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@@ -1513,10 +1521,15 @@ uw_update_context (struct _Unwind_Contex |
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stack frame. */ |
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context->ra = 0; |
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else |
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- /* Compute the return address now, since the return address column |
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- can change from frame to frame. */ |
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- context->ra = __builtin_extract_return_addr |
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- (_Unwind_GetPtr (context, fs->retaddr_column)); |
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+ { |
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+ /* Compute the return address now, since the return address column |
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+ can change from frame to frame. */ |
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+ context->ra = __builtin_extract_return_addr |
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+ (_Unwind_GetPtr (context, fs->retaddr_column)); |
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+#ifdef MD_POST_EXTRACT_FRAME_ADDR |
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+ context->ra = MD_POST_EXTRACT_FRAME_ADDR (context, fs, context->ra); |
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+#endif |
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+ } |
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} |
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|
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static void |
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@@ -1550,6 +1563,9 @@ uw_init_context_1 (struct _Unwind_Contex |
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void *outer_cfa, void *outer_ra) |
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{ |
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void *ra = __builtin_extract_return_addr (__builtin_return_address (0)); |
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+#ifdef MD_POST_EXTRACT_ROOT_ADDR |
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+ ra = MD_POST_EXTRACT_ROOT_ADDR (ra); |
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+#endif |
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_Unwind_FrameState fs; |
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_Unwind_SpTmp sp_slot; |
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_Unwind_Reason_Code code; |
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@@ -1586,6 +1602,9 @@ uw_init_context_1 (struct _Unwind_Contex |
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initialization context, then we can't see it in the given |
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call frame data. So have the initialization context tell us. */ |
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context->ra = __builtin_extract_return_addr (outer_ra); |
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+#ifdef MD_POST_EXTRACT_ROOT_ADDR |
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+ context->ra = MD_POST_EXTRACT_ROOT_ADDR (context->ra); |
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+#endif |
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} |
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|
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static void _Unwind_DebugHook (void *, void *) |
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@@ -1608,6 +1627,10 @@ _Unwind_DebugHook (void *cfa __attribute |
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#endif |
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} |
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|
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+#ifndef MD_POST_FROB_EH_HANDLER_ADDR |
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+#define MD_POST_FROB_EH_HANDLER_ADDR(c, t, r) r |
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+#endif |
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+ |
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/* Install TARGET into CURRENT so that we can return to it. This is a |
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macro because __builtin_eh_return must be invoked in the context of |
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our caller. */ |
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@@ -1621,6 +1644,8 @@ _Unwind_DebugHook (void *cfa __attribute |
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{ \ |
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long offset = uw_install_context_1 ((CURRENT), (TARGET)); \ |
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void *handler = __builtin_frob_return_addr ((TARGET)->ra); \ |
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+ handler = (MD_POST_FROB_EH_HANDLER_ADDR ((CURRENT), (TARGET), \ |
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+ handler)); \ |
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_Unwind_DebugHook ((TARGET)->cfa, handler); \ |
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__builtin_eh_return (offset, handler); \ |
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} \ |
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@ -0,0 +1,26 @@
@@ -0,0 +1,26 @@
|
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2013-06-07 Paolo Carlini <paolo.carlini@oracle.com> |
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|
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PR c++/53658 |
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* pt.c (lookup_template_class_1): Consistently use TYPE_MAIN_DECL, |
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not TYPE_STUB_DECL, to access the _DECL for a _TYPE. |
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|
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--- gcc/cp/pt.c |
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+++ gcc/cp/pt.c |
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@@ -7561,7 +7561,7 @@ lookup_template_class_1 (tree d1, tree arglist, tree in_decl, tree context, |
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if (CLASS_TYPE_P (template_type) && is_dependent_type) |
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/* If the type makes use of template parameters, the |
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code that generates debugging information will crash. */ |
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- DECL_IGNORED_P (TYPE_STUB_DECL (t)) = 1; |
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+ DECL_IGNORED_P (TYPE_MAIN_DECL (t)) = 1; |
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|
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/* Possibly limit visibility based on template args. */ |
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TREE_PUBLIC (type_decl) = 1; |
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--- /dev/null |
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+++ gcc/testsuite/g++.dg/cpp0x/alias-decl-36.C |
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@@ -0,0 +1,6 @@ |
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+// PR c++/53658 |
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+// { dg-do compile { target c++11 } } |
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+ |
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+struct A; |
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+template <typename> using Foo = const A; |
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+template <typename Item> Foo <Item> bar(); |
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@ -0,0 +1,46 @@
@@ -0,0 +1,46 @@
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2014-05-02 Marek Polacek <polacek@redhat.com> |
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|
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PR c/60784 |
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* c-typeck.c (push_init_level): Set constructor_designated to |
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p->designated for structures. |
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|
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--- gcc/c/c-typeck.c |
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+++ gcc/c/c-typeck.c |
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@@ -7270,6 +7270,9 @@ push_init_level (int implicit, struct obstack * braced_init_obstack) |
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push_member_name (constructor_fields); |
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constructor_depth++; |
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} |
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+ /* If upper initializer is designated, then mark this as |
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+ designated too to prevent bogus warnings. */ |
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+ constructor_designated = p->designated; |
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} |
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else if (TREE_CODE (constructor_type) == ARRAY_TYPE) |
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{ |
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--- /dev/null |
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+++ gcc/testsuite/gcc.dg/pr60784.c |
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@@ -0,0 +1,25 @@ |
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+/* PR c/60784 */ |
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+/* { dg-do compile } */ |
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+/* { dg-options "-Wextra -std=c99" } */ |
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+ |
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+struct A { int i, j; }; |
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+struct B { struct A a; } b1 = { .a.i = 1, .a.j = 1 }; |
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+struct B b2 = { .a.i = 1 }; |
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+ |
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+struct C { struct { int a, b; }; } c1 = { .a = 4, .b = 2 }; |
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+struct C c2 = { .a = 4, .b = 2 }; |
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+ |
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+struct D { struct A a; }; |
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+struct E { struct D d; }; |
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+struct F { struct E e; } f1 = { .e.d.a.i = 8 }; |
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+struct F f2 = { .e.d.a.i = 8, .e.d.a.j = 3 }; |
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+ |
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+struct G { |
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+ struct { |
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+ struct { |
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+ struct { |
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+ int a, b, c, d, e, f; |
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+ }; |
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+ }; |
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+ }; |
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+} g = { .b = 2 }; |
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@ -0,0 +1,16 @@
@@ -0,0 +1,16 @@
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2014-10-27 Jiong Wang <jiong.wang@arm.com> |
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|
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PR target/63442 |
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* optabs.c (prepare_cmp_insn): Use "ret_mode" instead of "word_mode". |
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|
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--- gcc/optabs.c |
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+++ gcc/optabs.c |
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@@ -4294,7 +4294,7 @@ prepare_cmp_insn (rtx x, rtx y, enum rtx_code comparison, rtx size, |
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y = const0_rtx; |
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} |
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|
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- *pmode = word_mode; |
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+ *pmode = ret_mode; |
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prepare_cmp_insn (x, y, comparison, NULL_RTX, unsignedp, methods, |
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ptest, pmode); |
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} |
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@ -0,0 +1,52 @@
@@ -0,0 +1,52 @@
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2014-10-17 Marek Polacek <polacek@redhat.com> |
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|
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PR c/63567 |
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* c-typeck.c (digest_init): Allow initializing objects with static |
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storage duration with compound literals even in C99 and add pedwarn |
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for it. |
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|
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--- gcc/c/c-typeck.c |
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+++ gcc/c/c-typeck.c |
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@@ -6683,13 +6683,15 @@ digest_init (location_t init_loc, tree type, tree init, tree origtype, |
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inside_init = convert (type, inside_init); |
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|
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if (require_constant |
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- && (code == VECTOR_TYPE || !flag_isoc99) |
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&& TREE_CODE (inside_init) == COMPOUND_LITERAL_EXPR) |
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{ |
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/* As an extension, allow initializing objects with static storage |
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duration with compound literals (which are then treated just as |
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the brace enclosed list they contain). Also allow this for |
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vectors, as we can only assign them with compound literals. */ |
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+ if (flag_isoc99 && code != VECTOR_TYPE) |
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+ pedwarn_init (init_loc, OPT_Wpedantic, "initializer element " |
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+ "is not constant"); |
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tree decl = COMPOUND_LITERAL_EXPR_DECL (inside_init); |
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inside_init = DECL_INITIAL (decl); |
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} |
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--- /dev/null |
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+++ gcc/testsuite/gcc.dg/pr63567-1.c |
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@@ -0,0 +1,10 @@ |
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+/* PR c/63567 */ |
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+/* { dg-do compile } */ |
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+/* { dg-options "" } */ |
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+ |
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+/* Allow initializing objects with static storage duration with |
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+ compound literals even. This is being used in Linux kernel. */ |
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+ |
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+struct T { int i; }; |
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+struct S { struct T t; }; |
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+static struct S s = (struct S) { .t = { 42 } }; |
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--- /dev/null |
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+++ gcc/testsuite/gcc.dg/pr63567-2.c |
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@@ -0,0 +1,10 @@ |
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+/* PR c/63567 */ |
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+/* { dg-do compile } */ |
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+/* { dg-options "-pedantic -std=gnu99" } */ |
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+ |
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+/* Allow initializing objects with static storage duration with |
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+ compound literals. This is being used in Linux kernel. */ |
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+ |
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+struct T { int i; }; |
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+struct S { struct T t; }; |
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+static struct S s = (struct S) { .t = { 42 } }; /* { dg-warning "initializer element is not constant" } */ |
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@ -0,0 +1,45 @@
@@ -0,0 +1,45 @@
|
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2014-10-19 Marek Polacek <polacek@redhat.com> |
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|
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PR c/63567 |
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* c-typeck.c (output_init_element): Allow initializing objects with |
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static storage duration with compound literals even in C99 and add |
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pedwarn for it. |
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|
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--- gcc/c/c-typeck.c |
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+++ gcc/c/c-typeck.c |
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@@ -8251,11 +8251,14 @@ output_init_element (location_t loc, tree value, tree origtype, |
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value = array_to_pointer_conversion (input_location, value); |
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|
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if (TREE_CODE (value) == COMPOUND_LITERAL_EXPR |
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- && require_constant_value && !flag_isoc99 && pending) |
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+ && require_constant_value && pending) |
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{ |
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/* As an extension, allow initializing objects with static storage |
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duration with compound literals (which are then treated just as |
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the brace enclosed list they contain). */ |
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+ if (flag_isoc99) |
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+ pedwarn_init (input_location, OPT_Wpedantic, "initializer element is not " |
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+ "constant"); |
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tree decl = COMPOUND_LITERAL_EXPR_DECL (value); |
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value = DECL_INITIAL (decl); |
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} |
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--- /dev/null |
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+++ gcc/testsuite/gcc.dg/pr63567-3.c |
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@@ -0,0 +1,7 @@ |
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+/* PR c/63567 */ |
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+/* { dg-do compile } */ |
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+/* { dg-options "" } */ |
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+ |
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+struct T { int i; }; |
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+struct S { struct T t; }; |
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+struct S s = { .t = { (int) { 1 } } }; |
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--- /dev/null |
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+++ gcc/testsuite/gcc.dg/pr63567-4.c |
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@@ -0,0 +1,7 @@ |
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+/* PR c/63567 */ |
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+/* { dg-do compile } */ |
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+/* { dg-options "-Wpedantic -std=gnu99" } */ |
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+ |
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+struct T { int i; }; |
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+struct S { struct T t; }; |
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+struct S s = { .t = { (int) { 1 } } }; /* { dg-warning "initializer element is not constant|initialization" } */ |
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@ -0,0 +1,17 @@
@@ -0,0 +1,17 @@
|
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2015-12-11 Segher Boessenkool <segher@kernel.crashing.org> |
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|
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PR rtl-optimization/68814 |
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* rtlanal.c (set_noop_p): Use BITS_BIG_ENDIAN instead of |
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BYTES_BIG_ENDIAN. |
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|
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--- gcc/rtlanal.c |
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+++ gcc/rtlanal.c |
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@@ -1534,7 +1534,7 @@ set_noop_p (const_rtx set) |
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|
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if (GET_CODE (dst) == ZERO_EXTRACT) |
||||
return rtx_equal_p (XEXP (dst, 0), src) |
||||
- && ! BYTES_BIG_ENDIAN && XEXP (dst, 2) == const0_rtx |
||||
+ && !BITS_BIG_ENDIAN && XEXP (dst, 2) == const0_rtx |
||||
&& !side_effects_p (src); |
||||
|
||||
if (GET_CODE (dst) == STRICT_LOW_PART) |
||||
@ -0,0 +1,51 @@
@@ -0,0 +1,51 @@
|
||||
2016-02-26 Jakub Jelinek <jakub@redhat.com> |
||||
Eric Botcazou <ebotcazou@adacore.com> |
||||
|
||||
PR rtl-optimization/69891 |
||||
* dse.c (scan_insn): If we can't figure out memset arguments |
||||
or they are non-constant, call clear_rhs_from_active_local_stores. |
||||
|
||||
--- gcc/testsuite/gcc.target/i386/pr69891.c (nonexistent) |
||||
+++ gcc/testsuite/gcc.target/i386/pr69891.c (revision 238137) |
||||
@@ -0,0 +1,30 @@ |
||||
+/* PR rtl-optimization/69891 */ |
||||
+/* { dg-do run } */ |
||||
+/* { dg-options "-O -fno-tree-fre -mstringop-strategy=libcall -Wno-psabi" } */ |
||||
+/* { dg-additional-options "-mno-sse" { target ia32 } } */ |
||||
+ |
||||
+typedef unsigned short A; |
||||
+typedef unsigned short B __attribute__ ((vector_size (32))); |
||||
+typedef unsigned int C; |
||||
+typedef unsigned int D __attribute__ ((vector_size (32))); |
||||
+typedef unsigned long long E; |
||||
+typedef unsigned long long F __attribute__ ((vector_size (32))); |
||||
+ |
||||
+__attribute__((noinline, noclone)) unsigned |
||||
+foo(D a, B b, D c, F d) |
||||
+{ |
||||
+ b /= (B) {1, -c[0]} | 1; |
||||
+ c[0] |= 7; |
||||
+ a %= c | 1; |
||||
+ c ^= c; |
||||
+ return a[0] + b[15] + c[0] + d[3]; |
||||
+} |
||||
+ |
||||
+int |
||||
+main () |
||||
+{ |
||||
+ unsigned x = foo ((D) {}, (B) {}, (D) {}, (F) {}); |
||||
+ if (x != 0) |
||||
+ __builtin_abort (); |
||||
+ return 0; |
||||
+} |
||||
--- gcc/dse.c (revision 238136) |
||||
+++ gcc/dse.c (revision 238137) |
||||
@@ -2582,6 +2582,8 @@ |
||||
active_local_stores = insn_info; |
||||
} |
||||
} |
||||
+ else |
||||
+ clear_rhs_from_active_local_stores (); |
||||
} |
||||
} |
||||
|
||||
@ -0,0 +1,67 @@
@@ -0,0 +1,67 @@
|
||||
2019-12-17 Andreas Krebbel <krebbel@linux.ibm.com> |
||||
|
||||
Backport from mainline |
||||
2019-12-16 Andreas Krebbel <krebbel@linux.ibm.com> |
||||
|
||||
PR target/92950 |
||||
* config/s390/vector.md ("mov<mode>" for V_8): Replace lh, lhy, |
||||
and lhrl with llc. |
||||
|
||||
--- gcc/config/s390/vector.md |
||||
+++ gcc/config/s390/vector.md |
||||
@@ -289,9 +289,9 @@ |
||||
; However, this would probably be slower. |
||||
|
||||
(define_insn "mov<mode>" |
||||
- [(set (match_operand:V_8 0 "nonimmediate_operand" "=v,v,d, v,QR, v, v, v, v,d, Q, S, Q, S, d, d,d,d,d,R,T") |
||||
- (match_operand:V_8 1 "general_operand" " v,d,v,QR, v,j00,jm1,jyy,jxx,d,j00,j00,jm1,jm1,j00,jm1,R,T,b,d,d"))] |
||||
- "" |
||||
+ [(set (match_operand:V_8 0 "nonimmediate_operand" "=v,v,d,v,QR, v, v, v, v,d, Q, S, Q, S, d, d,d,R,T") |
||||
+ (match_operand:V_8 1 "general_operand" " v,d,v,QR,v,j00,jm1,jyy,jxx,d,j00,j00,jm1,jm1,j00,jm1,T,d,d"))] |
||||
+ "TARGET_VX" |
||||
"@ |
||||
vlr\t%v0,%v1 |
||||
vlvgb\t%v0,%1,0 |
||||
@@ -309,12 +309,10 @@ |
||||
mviy\t%0,-1 |
||||
lhi\t%0,0 |
||||
lhi\t%0,-1 |
||||
- lh\t%0,%1 |
||||
- lhy\t%0,%1 |
||||
- lhrl\t%0,%1 |
||||
+ llc\t%0,%1 |
||||
stc\t%1,%0 |
||||
stcy\t%1,%0" |
||||
- [(set_attr "op_type" "VRR,VRS,VRS,VRX,VRX,VRI,VRI,VRI,VRI,RR,SI,SIY,SI,SIY,RI,RI,RX,RXY,RIL,RX,RXY")]) |
||||
+ [(set_attr "op_type" "VRR,VRS,VRS,VRX,VRX,VRI,VRI,VRI,VRI,RR,SI,SIY,SI,SIY,RI,RI,RXY,RX,RXY")]) |
||||
|
||||
(define_insn "mov<mode>" |
||||
[(set (match_operand:V_16 0 "nonimmediate_operand" "=v,v,d, v,QR, v, v, v, v,d, Q, Q, d, d,d,d,d,R,T,b") |
||||
--- /dev/null |
||||
+++ gcc/testsuite/gcc.target/s390/vector/pr92950.c |
||||
@@ -0,0 +1,25 @@ |
||||
+/* { dg-do run } */ |
||||
+/* { dg-options "-O3 -mzarch -march=z13" } */ |
||||
+ |
||||
+struct a { |
||||
+ int b; |
||||
+ char c; |
||||
+}; |
||||
+struct a d = {1, 16}; |
||||
+struct a *e = &d; |
||||
+ |
||||
+int f = 0; |
||||
+ |
||||
+int main() { |
||||
+ struct a g = {0, 0 }; |
||||
+ f = 0; |
||||
+ |
||||
+ for (; f <= 1; f++) { |
||||
+ g = d; |
||||
+ *e = g; |
||||
+ } |
||||
+ |
||||
+ if (d.c != 16) |
||||
+ __builtin_abort(); |
||||
+ return 0; |
||||
+} |
||||
@ -0,0 +1,70 @@
@@ -0,0 +1,70 @@
|
||||
2020-01-28 Vladimir Makarov <vmakarov@redhat.com> |
||||
|
||||
PR rtl-optimization/93272 |
||||
* ira-lives.c (process_out_of_region_eh_regs): New function. |
||||
(process_bb_node_lives): Call it. |
||||
|
||||
--- gcc/ira-lives.c |
||||
+++ gcc/ira-lives.c |
||||
@@ -1116,6 +1116,50 @@ |
||||
return cheap_reg; |
||||
} |
||||
|
||||
+#ifdef EH_RETURN_DATA_REGNO |
||||
+ |
||||
+/* Add EH return hard registers as conflict hard registers to allocnos |
||||
+ living at end of BB. For most allocnos it is already done in |
||||
+ process_bb_node_lives when we processing input edges but it does |
||||
+ not work when and EH edge is edge out of the current region. This |
||||
+ function covers such out of region edges. */ |
||||
+static void |
||||
+process_out_of_region_eh_regs (basic_block bb) |
||||
+{ |
||||
+ edge e; |
||||
+ edge_iterator ei; |
||||
+ unsigned int i; |
||||
+ bitmap_iterator bi; |
||||
+ bool eh_p = false; |
||||
+ |
||||
+ FOR_EACH_EDGE (e, ei, bb->succs) |
||||
+ if ((e->flags & EDGE_EH) |
||||
+ && IRA_BB_NODE (e->dest)->parent != IRA_BB_NODE (bb)->parent) |
||||
+ eh_p = true; |
||||
+ |
||||
+ if (! eh_p) |
||||
+ return; |
||||
+ |
||||
+ EXECUTE_IF_SET_IN_BITMAP (df_get_live_out (bb), FIRST_PSEUDO_REGISTER, i, bi) |
||||
+ { |
||||
+ ira_allocno_t a = ira_curr_regno_allocno_map[i]; |
||||
+ for (int n = ALLOCNO_NUM_OBJECTS (a) - 1; n >= 0; n--) |
||||
+ { |
||||
+ ira_object_t obj = ALLOCNO_OBJECT (a, n); |
||||
+ for (int k = 0; ; k++) |
||||
+ { |
||||
+ unsigned int regno = EH_RETURN_DATA_REGNO (k); |
||||
+ if (regno == INVALID_REGNUM) |
||||
+ break; |
||||
+ SET_HARD_REG_BIT (OBJECT_CONFLICT_HARD_REGS (obj), regno); |
||||
+ SET_HARD_REG_BIT (OBJECT_TOTAL_CONFLICT_HARD_REGS (obj), regno); |
||||
+ } |
||||
+ } |
||||
+ } |
||||
+} |
||||
+ |
||||
+#endif |
||||
+ |
||||
/* Process insns of the basic block given by its LOOP_TREE_NODE to |
||||
update allocno live ranges, allocno hard register conflicts, |
||||
intersected calls, and register pressure info for allocnos for the |
||||
@@ -1170,6 +1214,10 @@ |
||||
EXECUTE_IF_SET_IN_BITMAP (reg_live_out, FIRST_PSEUDO_REGISTER, j, bi) |
||||
mark_pseudo_regno_live (j); |
||||
|
||||
+#ifdef EH_RETURN_DATA_REGNO |
||||
+ process_out_of_region_eh_regs (bb); |
||||
+#endif |
||||
+ |
||||
freq = REG_FREQ_FROM_BB (bb); |
||||
if (freq == 0) |
||||
freq = 1; |
||||
@ -0,0 +1,18 @@
@@ -0,0 +1,18 @@
|
||||
2016-05-04 Alan Modra <amodra@gmail.com> |
||||
|
||||
* config/rs6000/rs6000.h (PIC_OFFSET_TABLE_REGNUM): Correct. |
||||
|
||||
--- gcc/config/rs6000/rs6000.h |
||||
+++ gcc/config/rs6000/rs6000.h |
||||
@@ -2058,7 +2058,10 @@ do { \ |
||||
to allocate such a register (if necessary). */ |
||||
|
||||
#define RS6000_PIC_OFFSET_TABLE_REGNUM 30 |
||||
-#define PIC_OFFSET_TABLE_REGNUM (flag_pic ? RS6000_PIC_OFFSET_TABLE_REGNUM : INVALID_REGNUM) |
||||
+#define PIC_OFFSET_TABLE_REGNUM \ |
||||
+ (TARGET_TOC ? TOC_REGISTER \ |
||||
+ : flag_pic ? RS6000_PIC_OFFSET_TABLE_REGNUM \ |
||||
+ : INVALID_REGNUM) |
||||
|
||||
#define TOC_REGISTER (TARGET_MINIMAL_TOC ? RS6000_PIC_OFFSET_TABLE_REGNUM : 2) |
||||
|
||||
@ -0,0 +1,20 @@
@@ -0,0 +1,20 @@
|
||||
diff --git a/gcc/cfgexpand.c b/gcc/cfgexpand.c |
||||
index 6dfbb4642..9f30b2749 100644 |
||||
--- a/gcc/cfgexpand.c |
||||
+++ b/gcc/cfgexpand.c |
||||
@@ -316,6 +316,15 @@ stack_var_conflict_p (size_t x, size_t y) |
||||
struct stack_var *b = &stack_vars[y]; |
||||
if (x == y) |
||||
return false; |
||||
+ /* GCC 4.8 does not calculate the control flow for setjmp correctly |
||||
+ (BZ 56982). This might lead to merging stack variable slots |
||||
+ which in fact are live at the same time. The following check |
||||
+ considers all variables being live across setjmp invocations |
||||
+ (these must be marked volatile) to conflict with all other stack |
||||
+ variables. */ |
||||
+ if (cfun->calls_setjmp |
||||
+ && (TREE_THIS_VOLATILE (a->decl) || TREE_THIS_VOLATILE (b->decl))) |
||||
+ return true; |
||||
/* Partitions containing an SSA name result from gimple registers |
||||
with things like unsupported modes. They are top-level and |
||||
hence conflict with everything else. */ |
||||
@ -0,0 +1,29 @@
@@ -0,0 +1,29 @@
|
||||
2018-12-13 Peter Bergner <bergner@linux.ibm.com> |
||||
|
||||
* config/powerpc/target.h (htm_available): Add support for |
||||
PPC_FEATURE2_HTM_NO_SUSPEND. Use __builtin_cpu_supports if available. |
||||
|
||||
--- libitm/config/powerpc/target.h |
||||
+++ libitm/config/powerpc/target.h |
||||
@@ -81,7 +81,20 @@ cpu_relax (void) |
||||
static inline bool |
||||
htm_available (void) |
||||
{ |
||||
- return (getauxval (AT_HWCAP2) & PPC_FEATURE2_HAS_HTM) ? true : false; |
||||
+#ifdef __BUILTIN_CPU_SUPPORTS__ |
||||
+ if (__builtin_cpu_supports ("htm-no-suspend") |
||||
+ || __builtin_cpu_supports ("htm")) |
||||
+ return true; |
||||
+#else |
||||
+ unsigned long htm_flags = PPC_FEATURE2_HAS_HTM |
||||
+#ifdef PPC_FEATURE2_HTM_NO_SUSPEND |
||||
+ | PPC_FEATURE2_HTM_NO_SUSPEND |
||||
+#endif |
||||
+ | 0; |
||||
+ if (getauxval (AT_HWCAP2) & htm_flags) |
||||
+ return true; |
||||
+#endif |
||||
+ return false; |
||||
} |
||||
|
||||
static inline uint32_t |
||||
@ -0,0 +1,36 @@
@@ -0,0 +1,36 @@
|
||||
--- gcc/fold-const.c |
||||
+++ gcc/fold-const.c |
||||
@@ -12461,6 +12461,7 @@ fold_binary_loc (location_t loc, |
||||
|
||||
/* Turn (a OP c1) OP c2 into a OP (c1+c2). */ |
||||
if (TREE_CODE (op0) == code && host_integerp (arg1, false) |
||||
+ && TREE_CODE (type) != VECTOR_TYPE |
||||
&& TREE_INT_CST_LOW (arg1) < TYPE_PRECISION (type) |
||||
&& host_integerp (TREE_OPERAND (arg0, 1), false) |
||||
&& TREE_INT_CST_LOW (TREE_OPERAND (arg0, 1)) < TYPE_PRECISION (type)) |
||||
@@ -12491,6 +12492,7 @@ fold_binary_loc (location_t loc, |
||||
|| (TYPE_UNSIGNED (type) |
||||
&& code == RSHIFT_EXPR && TREE_CODE (arg0) == LSHIFT_EXPR)) |
||||
&& host_integerp (arg1, false) |
||||
+ && TREE_CODE (type) != VECTOR_TYPE |
||||
&& TREE_INT_CST_LOW (arg1) < TYPE_PRECISION (type) |
||||
&& host_integerp (TREE_OPERAND (arg0, 1), false) |
||||
&& TREE_INT_CST_LOW (TREE_OPERAND (arg0, 1)) < TYPE_PRECISION (type)) |
||||
@@ -12513,7 +12515,8 @@ fold_binary_loc (location_t loc, |
||||
|
||||
/* Rewrite an LROTATE_EXPR by a constant into an |
||||
RROTATE_EXPR by a new constant. */ |
||||
- if (code == LROTATE_EXPR && TREE_CODE (arg1) == INTEGER_CST) |
||||
+ if (code == LROTATE_EXPR && TREE_CODE (arg1) == INTEGER_CST |
||||
+ && TREE_CODE (type) != VECTOR_TYPE) |
||||
{ |
||||
tree tem = build_int_cst (TREE_TYPE (arg1), |
||||
TYPE_PRECISION (type)); |
||||
@@ -12538,6 +12541,7 @@ fold_binary_loc (location_t loc, |
||||
/* Two consecutive rotates adding up to the precision of the |
||||
type can be ignored. */ |
||||
if (code == RROTATE_EXPR && TREE_CODE (arg1) == INTEGER_CST |
||||
+ && TREE_CODE (type) != VECTOR_TYPE |
||||
&& TREE_CODE (arg0) == RROTATE_EXPR |
||||
&& TREE_CODE (TREE_OPERAND (arg0, 1)) == INTEGER_CST |
||||
&& TREE_INT_CST_HIGH (arg1) == 0 |
||||
Loading…
Reference in new issue