basebuilder_pel7x64builder0
4 years ago
15 changed files with 783 additions and 1 deletions
@ -0,0 +1,226 @@ |
|||||||
|
2017-01-19 Jiong Wang <jiong.wang@arm.com> |
||||||
|
|
||||||
|
* config/aarch64/aarch64-unwind.h: New file. |
||||||
|
(DWARF_REGNUM_AARCH64_RA_STATE): Define. |
||||||
|
(MD_POST_EXTRACT_ROOT_ADDR): New target marcro and define it on AArch64. |
||||||
|
(MD_POST_EXTRACT_FRAME_ADDR): Likewise. |
||||||
|
(MD_POST_FROB_EH_HANDLER_ADDR): Likewise. |
||||||
|
(MD_FROB_UPDATE_CONTEXT): Define it on AArch64. |
||||||
|
(aarch64_post_extract_frame_addr): New function. |
||||||
|
(aarch64_post_frob_eh_handler_addr): New function. |
||||||
|
(aarch64_frob_update_context): New function. |
||||||
|
* config/aarch64/linux-unwind.h: Include aarch64-unwind.h |
||||||
|
* config.host (aarch64*-*-elf, aarch64*-*-rtems*, |
||||||
|
aarch64*-*-freebsd*): |
||||||
|
Initialize md_unwind_header to include aarch64-unwind.h. |
||||||
|
* unwind-dw2.c (struct _Unwind_Context): Define "RA_A_SIGNED_BIT". |
||||||
|
(execute_cfa_program): Multiplex DW_CFA_GNU_window_save for |
||||||
|
__aarch64__. |
||||||
|
(uw_update_context): Honor MD_POST_EXTRACT_FRAME_ADDR. |
||||||
|
(uw_init_context_1): Honor MD_POST_EXTRACT_ROOT_ADDR. |
||||||
|
(uw_frob_return_addr): New function. |
||||||
|
(uw_install_context): Use uw_frob_return_addr. |
||||||
|
|
||||||
|
--- libgcc/config.host (revision 244672) |
||||||
|
+++ libgcc/config.host (revision 244674) |
||||||
|
@@ -284,6 +284,7 @@ |
||||||
|
extra_parts="$extra_parts crtbegin.o crtend.o crti.o crtn.o" |
||||||
|
tmake_file="${tmake_file} ${cpu_type}/t-aarch64" |
||||||
|
tmake_file="${tmake_file} ${cpu_type}/t-softfp t-softfp" |
||||||
|
+ md_unwind_header=aarch64/aarch64-unwind.h |
||||||
|
;; |
||||||
|
aarch64*-*-linux*) |
||||||
|
md_unwind_header=aarch64/linux-unwind.h |
||||||
|
--- libgcc/config/aarch64/aarch64-unwind.h (nonexistent) |
||||||
|
+++ libgcc/config/aarch64/aarch64-unwind.h (revision 244674) |
||||||
|
@@ -0,0 +1,89 @@ |
||||||
|
+/* Copyright (C) 2017 Free Software Foundation, Inc. |
||||||
|
+ Contributed by ARM Ltd. |
||||||
|
+ |
||||||
|
+This file is part of GCC. |
||||||
|
+ |
||||||
|
+GCC is free software; you can redistribute it and/or modify it under |
||||||
|
+the terms of the GNU General Public License as published by the Free |
||||||
|
+Software Foundation; either version 3, or (at your option) any later |
||||||
|
+version. |
||||||
|
+ |
||||||
|
+GCC is distributed in the hope that it will be useful, but WITHOUT ANY |
||||||
|
+WARRANTY; without even the implied warranty of MERCHANTABILITY or |
||||||
|
+FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
||||||
|
+for more details. |
||||||
|
+ |
||||||
|
+Under Section 7 of GPL version 3, you are granted additional |
||||||
|
+permissions described in the GCC Runtime Library Exception, version |
||||||
|
+3.1, as published by the Free Software Foundation. |
||||||
|
+ |
||||||
|
+You should have received a copy of the GNU General Public License and |
||||||
|
+a copy of the GCC Runtime Library Exception along with this program; |
||||||
|
+see the files COPYING3 and COPYING.RUNTIME respectively. If not, see |
||||||
|
+<http://www.gnu.org/licenses/>. */ |
||||||
|
+ |
||||||
|
+#ifndef AARCH64_UNWIND_H |
||||||
|
+#define AARCH64_UNWIND_H |
||||||
|
+ |
||||||
|
+#define DWARF_REGNUM_AARCH64_RA_STATE 34 |
||||||
|
+ |
||||||
|
+#define MD_POST_EXTRACT_ROOT_ADDR(addr) \ |
||||||
|
+ ({ void *__addr; asm ("mov x30, %0; hint 7; mov %0, x30" \ |
||||||
|
+ : "=r" (__addr) : "0" (addr) : "x30", "cc"); __addr; }) |
||||||
|
+#define MD_POST_EXTRACT_FRAME_ADDR(context, fs, addr) \ |
||||||
|
+ aarch64_post_extract_frame_addr (context, fs, addr) |
||||||
|
+#define MD_POST_FROB_EH_HANDLER_ADDR(current, target, addr) \ |
||||||
|
+ aarch64_post_frob_eh_handler_addr (current, target, addr) |
||||||
|
+#define MD_FROB_UPDATE_CONTEXT(context, fs) \ |
||||||
|
+ aarch64_frob_update_context (context, fs) |
||||||
|
+ |
||||||
|
+/* Do AArch64 private extraction on ADDR based on context info CONTEXT and |
||||||
|
+ unwind frame info FS. If ADDR is signed, we do address authentication on it |
||||||
|
+ using CFA of current frame. */ |
||||||
|
+ |
||||||
|
+static inline void * |
||||||
|
+aarch64_post_extract_frame_addr (struct _Unwind_Context *context, |
||||||
|
+ _Unwind_FrameState *fs, void *addr) |
||||||
|
+{ |
||||||
|
+ if (fs->regs.reg[DWARF_REGNUM_AARCH64_RA_STATE].loc.offset & 0x1) |
||||||
|
+ { |
||||||
|
+ _Unwind_Word salt = (_Unwind_Word) context->cfa; |
||||||
|
+ asm ("mov x17, %0; mov x16, %1; hint 12; mov %0, x17" |
||||||
|
+ : "+r" (addr) : "r" (salt) : "x16", "x17", "cc"); |
||||||
|
+ } |
||||||
|
+ return addr; |
||||||
|
+} |
||||||
|
+ |
||||||
|
+/* Do AArch64 private frob on exception handler's address HANDLER_ADDR before |
||||||
|
+ installing it into current context CURRENT. TARGET is currently not used. |
||||||
|
+ We need to sign exception handler's address if CURRENT itself is signed. */ |
||||||
|
+ |
||||||
|
+static inline void * |
||||||
|
+aarch64_post_frob_eh_handler_addr (struct _Unwind_Context *current, |
||||||
|
+ struct _Unwind_Context *target |
||||||
|
+ ATTRIBUTE_UNUSED, |
||||||
|
+ void *handler_addr) |
||||||
|
+{ |
||||||
|
+ if (current->flags & RA_A_SIGNED_BIT) |
||||||
|
+ asm ("mov x17, %0; mov x16, %1; hint 8; mov %0, x17" |
||||||
|
+ : "+r" (handler_addr) : "r" ((_Unwind_Word) current->cfa) |
||||||
|
+ : "x16", "x17", "cc"); |
||||||
|
+ return handler_addr; |
||||||
|
+} |
||||||
|
+ |
||||||
|
+/* Do AArch64 private initialization on CONTEXT based on frame info FS. Mark |
||||||
|
+ CONTEXT as return address signed if bit 0 of DWARF_REGNUM_AARCH64_RA_STATE is |
||||||
|
+ set. */ |
||||||
|
+ |
||||||
|
+static inline void |
||||||
|
+aarch64_frob_update_context (struct _Unwind_Context *context, |
||||||
|
+ _Unwind_FrameState *fs) |
||||||
|
+{ |
||||||
|
+ if (fs->regs.reg[DWARF_REGNUM_AARCH64_RA_STATE].loc.offset & 0x1) |
||||||
|
+ /* The flag is used for re-authenticating EH handler's address. */ |
||||||
|
+ context->flags |= RA_A_SIGNED_BIT; |
||||||
|
+ |
||||||
|
+ return; |
||||||
|
+} |
||||||
|
+ |
||||||
|
+#endif /* defined AARCH64_UNWIND_H */ |
||||||
|
--- libgcc/config/aarch64/linux-unwind.h (revision 244672) |
||||||
|
+++ libgcc/config/aarch64/linux-unwind.h (revision 244674) |
||||||
|
@@ -24,6 +24,7 @@ |
||||||
|
|
||||||
|
#include <signal.h> |
||||||
|
#include <sys/ucontext.h> |
||||||
|
+#include "config/aarch64/aarch64-unwind.h" |
||||||
|
|
||||||
|
#define MD_FALLBACK_FRAME_STATE_FOR aarch64_fallback_frame_state |
||||||
|
|
||||||
|
--- libgcc/unwind-dw2.c (revision 244672) |
||||||
|
+++ libgcc/unwind-dw2.c (revision 244674) |
||||||
|
@@ -136,6 +136,8 @@ struct _Unwind_Context |
||||||
|
#define SIGNAL_FRAME_BIT ((~(_Unwind_Word) 0 >> 1) + 1) |
||||||
|
/* Context which has version/args_size/by_value fields. */ |
||||||
|
#define EXTENDED_CONTEXT_BIT ((~(_Unwind_Word) 0 >> 2) + 1) |
||||||
|
+ /* Bit reserved on AArch64, return address has been signed with A key. */ |
||||||
|
+#define RA_A_SIGNED_BIT ((~(_Unwind_Word) 0 >> 3) + 1) |
||||||
|
_Unwind_Word flags; |
||||||
|
/* 0 for now, can be increased when further fields are added to |
||||||
|
struct _Unwind_Context. */ |
||||||
|
@@ -1189,6 +1191,11 @@ execute_cfa_program (const unsigned char |
||||||
|
break; |
||||||
|
|
||||||
|
case DW_CFA_GNU_window_save: |
||||||
|
+#ifdef __aarch64__ |
||||||
|
+ /* This CFA is multiplexed with Sparc. On AArch64 it's used to toggle |
||||||
|
+ return address signing status. */ |
||||||
|
+ fs->regs.reg[DWARF_REGNUM_AARCH64_RA_STATE].loc.offset ^= 1; |
||||||
|
+#else |
||||||
|
/* ??? Hardcoded for SPARC register window configuration. */ |
||||||
|
if (DWARF_FRAME_REGISTERS >= 32) |
||||||
|
for (reg = 16; reg < 32; ++reg) |
||||||
|
@@ -1192,6 +1199,7 @@ execute_cfa_program (const unsigned char |
||||||
|
fs->regs.reg[reg].how = REG_SAVED_OFFSET; |
||||||
|
fs->regs.reg[reg].loc.offset = (reg - 16) * sizeof (void *); |
||||||
|
} |
||||||
|
+#endif |
||||||
|
break; |
||||||
|
|
||||||
|
case DW_CFA_GNU_args_size: |
||||||
|
@@ -1513,10 +1521,15 @@ uw_update_context (struct _Unwind_Contex |
||||||
|
stack frame. */ |
||||||
|
context->ra = 0; |
||||||
|
else |
||||||
|
- /* Compute the return address now, since the return address column |
||||||
|
- can change from frame to frame. */ |
||||||
|
- context->ra = __builtin_extract_return_addr |
||||||
|
- (_Unwind_GetPtr (context, fs->retaddr_column)); |
||||||
|
+ { |
||||||
|
+ /* Compute the return address now, since the return address column |
||||||
|
+ can change from frame to frame. */ |
||||||
|
+ context->ra = __builtin_extract_return_addr |
||||||
|
+ (_Unwind_GetPtr (context, fs->retaddr_column)); |
||||||
|
+#ifdef MD_POST_EXTRACT_FRAME_ADDR |
||||||
|
+ context->ra = MD_POST_EXTRACT_FRAME_ADDR (context, fs, context->ra); |
||||||
|
+#endif |
||||||
|
+ } |
||||||
|
} |
||||||
|
|
||||||
|
static void |
||||||
|
@@ -1550,6 +1563,9 @@ uw_init_context_1 (struct _Unwind_Contex |
||||||
|
void *outer_cfa, void *outer_ra) |
||||||
|
{ |
||||||
|
void *ra = __builtin_extract_return_addr (__builtin_return_address (0)); |
||||||
|
+#ifdef MD_POST_EXTRACT_ROOT_ADDR |
||||||
|
+ ra = MD_POST_EXTRACT_ROOT_ADDR (ra); |
||||||
|
+#endif |
||||||
|
_Unwind_FrameState fs; |
||||||
|
_Unwind_SpTmp sp_slot; |
||||||
|
_Unwind_Reason_Code code; |
||||||
|
@@ -1586,6 +1602,9 @@ uw_init_context_1 (struct _Unwind_Contex |
||||||
|
initialization context, then we can't see it in the given |
||||||
|
call frame data. So have the initialization context tell us. */ |
||||||
|
context->ra = __builtin_extract_return_addr (outer_ra); |
||||||
|
+#ifdef MD_POST_EXTRACT_ROOT_ADDR |
||||||
|
+ context->ra = MD_POST_EXTRACT_ROOT_ADDR (context->ra); |
||||||
|
+#endif |
||||||
|
} |
||||||
|
|
||||||
|
static void _Unwind_DebugHook (void *, void *) |
||||||
|
@@ -1608,6 +1627,10 @@ _Unwind_DebugHook (void *cfa __attribute |
||||||
|
#endif |
||||||
|
} |
||||||
|
|
||||||
|
+#ifndef MD_POST_FROB_EH_HANDLER_ADDR |
||||||
|
+#define MD_POST_FROB_EH_HANDLER_ADDR(c, t, r) r |
||||||
|
+#endif |
||||||
|
+ |
||||||
|
/* Install TARGET into CURRENT so that we can return to it. This is a |
||||||
|
macro because __builtin_eh_return must be invoked in the context of |
||||||
|
our caller. */ |
||||||
|
@@ -1621,6 +1644,8 @@ _Unwind_DebugHook (void *cfa __attribute |
||||||
|
{ \ |
||||||
|
long offset = uw_install_context_1 ((CURRENT), (TARGET)); \ |
||||||
|
void *handler = __builtin_frob_return_addr ((TARGET)->ra); \ |
||||||
|
+ handler = (MD_POST_FROB_EH_HANDLER_ADDR ((CURRENT), (TARGET), \ |
||||||
|
+ handler)); \ |
||||||
|
_Unwind_DebugHook ((TARGET)->cfa, handler); \ |
||||||
|
__builtin_eh_return (offset, handler); \ |
||||||
|
} \ |
||||||
@ -0,0 +1,26 @@ |
|||||||
|
2013-06-07 Paolo Carlini <paolo.carlini@oracle.com> |
||||||
|
|
||||||
|
PR c++/53658 |
||||||
|
* pt.c (lookup_template_class_1): Consistently use TYPE_MAIN_DECL, |
||||||
|
not TYPE_STUB_DECL, to access the _DECL for a _TYPE. |
||||||
|
|
||||||
|
--- gcc/cp/pt.c |
||||||
|
+++ gcc/cp/pt.c |
||||||
|
@@ -7561,7 +7561,7 @@ lookup_template_class_1 (tree d1, tree arglist, tree in_decl, tree context, |
||||||
|
if (CLASS_TYPE_P (template_type) && is_dependent_type) |
||||||
|
/* If the type makes use of template parameters, the |
||||||
|
code that generates debugging information will crash. */ |
||||||
|
- DECL_IGNORED_P (TYPE_STUB_DECL (t)) = 1; |
||||||
|
+ DECL_IGNORED_P (TYPE_MAIN_DECL (t)) = 1; |
||||||
|
|
||||||
|
/* Possibly limit visibility based on template args. */ |
||||||
|
TREE_PUBLIC (type_decl) = 1; |
||||||
|
--- /dev/null |
||||||
|
+++ gcc/testsuite/g++.dg/cpp0x/alias-decl-36.C |
||||||
|
@@ -0,0 +1,6 @@ |
||||||
|
+// PR c++/53658 |
||||||
|
+// { dg-do compile { target c++11 } } |
||||||
|
+ |
||||||
|
+struct A; |
||||||
|
+template <typename> using Foo = const A; |
||||||
|
+template <typename Item> Foo <Item> bar(); |
||||||
@ -0,0 +1,46 @@ |
|||||||
|
2014-05-02 Marek Polacek <polacek@redhat.com> |
||||||
|
|
||||||
|
PR c/60784 |
||||||
|
* c-typeck.c (push_init_level): Set constructor_designated to |
||||||
|
p->designated for structures. |
||||||
|
|
||||||
|
--- gcc/c/c-typeck.c |
||||||
|
+++ gcc/c/c-typeck.c |
||||||
|
@@ -7270,6 +7270,9 @@ push_init_level (int implicit, struct obstack * braced_init_obstack) |
||||||
|
push_member_name (constructor_fields); |
||||||
|
constructor_depth++; |
||||||
|
} |
||||||
|
+ /* If upper initializer is designated, then mark this as |
||||||
|
+ designated too to prevent bogus warnings. */ |
||||||
|
+ constructor_designated = p->designated; |
||||||
|
} |
||||||
|
else if (TREE_CODE (constructor_type) == ARRAY_TYPE) |
||||||
|
{ |
||||||
|
--- /dev/null |
||||||
|
+++ gcc/testsuite/gcc.dg/pr60784.c |
||||||
|
@@ -0,0 +1,25 @@ |
||||||
|
+/* PR c/60784 */ |
||||||
|
+/* { dg-do compile } */ |
||||||
|
+/* { dg-options "-Wextra -std=c99" } */ |
||||||
|
+ |
||||||
|
+struct A { int i, j; }; |
||||||
|
+struct B { struct A a; } b1 = { .a.i = 1, .a.j = 1 }; |
||||||
|
+struct B b2 = { .a.i = 1 }; |
||||||
|
+ |
||||||
|
+struct C { struct { int a, b; }; } c1 = { .a = 4, .b = 2 }; |
||||||
|
+struct C c2 = { .a = 4, .b = 2 }; |
||||||
|
+ |
||||||
|
+struct D { struct A a; }; |
||||||
|
+struct E { struct D d; }; |
||||||
|
+struct F { struct E e; } f1 = { .e.d.a.i = 8 }; |
||||||
|
+struct F f2 = { .e.d.a.i = 8, .e.d.a.j = 3 }; |
||||||
|
+ |
||||||
|
+struct G { |
||||||
|
+ struct { |
||||||
|
+ struct { |
||||||
|
+ struct { |
||||||
|
+ int a, b, c, d, e, f; |
||||||
|
+ }; |
||||||
|
+ }; |
||||||
|
+ }; |
||||||
|
+} g = { .b = 2 }; |
||||||
@ -0,0 +1,16 @@ |
|||||||
|
2014-10-27 Jiong Wang <jiong.wang@arm.com> |
||||||
|
|
||||||
|
PR target/63442 |
||||||
|
* optabs.c (prepare_cmp_insn): Use "ret_mode" instead of "word_mode". |
||||||
|
|
||||||
|
--- gcc/optabs.c |
||||||
|
+++ gcc/optabs.c |
||||||
|
@@ -4294,7 +4294,7 @@ prepare_cmp_insn (rtx x, rtx y, enum rtx_code comparison, rtx size, |
||||||
|
y = const0_rtx; |
||||||
|
} |
||||||
|
|
||||||
|
- *pmode = word_mode; |
||||||
|
+ *pmode = ret_mode; |
||||||
|
prepare_cmp_insn (x, y, comparison, NULL_RTX, unsignedp, methods, |
||||||
|
ptest, pmode); |
||||||
|
} |
||||||
@ -0,0 +1,52 @@ |
|||||||
|
2014-10-17 Marek Polacek <polacek@redhat.com> |
||||||
|
|
||||||
|
PR c/63567 |
||||||
|
* c-typeck.c (digest_init): Allow initializing objects with static |
||||||
|
storage duration with compound literals even in C99 and add pedwarn |
||||||
|
for it. |
||||||
|
|
||||||
|
--- gcc/c/c-typeck.c |
||||||
|
+++ gcc/c/c-typeck.c |
||||||
|
@@ -6683,13 +6683,15 @@ digest_init (location_t init_loc, tree type, tree init, tree origtype, |
||||||
|
inside_init = convert (type, inside_init); |
||||||
|
|
||||||
|
if (require_constant |
||||||
|
- && (code == VECTOR_TYPE || !flag_isoc99) |
||||||
|
&& TREE_CODE (inside_init) == COMPOUND_LITERAL_EXPR) |
||||||
|
{ |
||||||
|
/* As an extension, allow initializing objects with static storage |
||||||
|
duration with compound literals (which are then treated just as |
||||||
|
the brace enclosed list they contain). Also allow this for |
||||||
|
vectors, as we can only assign them with compound literals. */ |
||||||
|
+ if (flag_isoc99 && code != VECTOR_TYPE) |
||||||
|
+ pedwarn_init (init_loc, OPT_Wpedantic, "initializer element " |
||||||
|
+ "is not constant"); |
||||||
|
tree decl = COMPOUND_LITERAL_EXPR_DECL (inside_init); |
||||||
|
inside_init = DECL_INITIAL (decl); |
||||||
|
} |
||||||
|
--- /dev/null |
||||||
|
+++ gcc/testsuite/gcc.dg/pr63567-1.c |
||||||
|
@@ -0,0 +1,10 @@ |
||||||
|
+/* PR c/63567 */ |
||||||
|
+/* { dg-do compile } */ |
||||||
|
+/* { dg-options "" } */ |
||||||
|
+ |
||||||
|
+/* Allow initializing objects with static storage duration with |
||||||
|
+ compound literals even. This is being used in Linux kernel. */ |
||||||
|
+ |
||||||
|
+struct T { int i; }; |
||||||
|
+struct S { struct T t; }; |
||||||
|
+static struct S s = (struct S) { .t = { 42 } }; |
||||||
|
--- /dev/null |
||||||
|
+++ gcc/testsuite/gcc.dg/pr63567-2.c |
||||||
|
@@ -0,0 +1,10 @@ |
||||||
|
+/* PR c/63567 */ |
||||||
|
+/* { dg-do compile } */ |
||||||
|
+/* { dg-options "-pedantic -std=gnu99" } */ |
||||||
|
+ |
||||||
|
+/* Allow initializing objects with static storage duration with |
||||||
|
+ compound literals. This is being used in Linux kernel. */ |
||||||
|
+ |
||||||
|
+struct T { int i; }; |
||||||
|
+struct S { struct T t; }; |
||||||
|
+static struct S s = (struct S) { .t = { 42 } }; /* { dg-warning "initializer element is not constant" } */ |
||||||
@ -0,0 +1,45 @@ |
|||||||
|
2014-10-19 Marek Polacek <polacek@redhat.com> |
||||||
|
|
||||||
|
PR c/63567 |
||||||
|
* c-typeck.c (output_init_element): Allow initializing objects with |
||||||
|
static storage duration with compound literals even in C99 and add |
||||||
|
pedwarn for it. |
||||||
|
|
||||||
|
--- gcc/c/c-typeck.c |
||||||
|
+++ gcc/c/c-typeck.c |
||||||
|
@@ -8251,11 +8251,14 @@ output_init_element (location_t loc, tree value, tree origtype, |
||||||
|
value = array_to_pointer_conversion (input_location, value); |
||||||
|
|
||||||
|
if (TREE_CODE (value) == COMPOUND_LITERAL_EXPR |
||||||
|
- && require_constant_value && !flag_isoc99 && pending) |
||||||
|
+ && require_constant_value && pending) |
||||||
|
{ |
||||||
|
/* As an extension, allow initializing objects with static storage |
||||||
|
duration with compound literals (which are then treated just as |
||||||
|
the brace enclosed list they contain). */ |
||||||
|
+ if (flag_isoc99) |
||||||
|
+ pedwarn_init (input_location, OPT_Wpedantic, "initializer element is not " |
||||||
|
+ "constant"); |
||||||
|
tree decl = COMPOUND_LITERAL_EXPR_DECL (value); |
||||||
|
value = DECL_INITIAL (decl); |
||||||
|
} |
||||||
|
--- /dev/null |
||||||
|
+++ gcc/testsuite/gcc.dg/pr63567-3.c |
||||||
|
@@ -0,0 +1,7 @@ |
||||||
|
+/* PR c/63567 */ |
||||||
|
+/* { dg-do compile } */ |
||||||
|
+/* { dg-options "" } */ |
||||||
|
+ |
||||||
|
+struct T { int i; }; |
||||||
|
+struct S { struct T t; }; |
||||||
|
+struct S s = { .t = { (int) { 1 } } }; |
||||||
|
--- /dev/null |
||||||
|
+++ gcc/testsuite/gcc.dg/pr63567-4.c |
||||||
|
@@ -0,0 +1,7 @@ |
||||||
|
+/* PR c/63567 */ |
||||||
|
+/* { dg-do compile } */ |
||||||
|
+/* { dg-options "-Wpedantic -std=gnu99" } */ |
||||||
|
+ |
||||||
|
+struct T { int i; }; |
||||||
|
+struct S { struct T t; }; |
||||||
|
+struct S s = { .t = { (int) { 1 } } }; /* { dg-warning "initializer element is not constant|initialization" } */ |
||||||
@ -0,0 +1,17 @@ |
|||||||
|
2015-12-11 Segher Boessenkool <segher@kernel.crashing.org> |
||||||
|
|
||||||
|
PR rtl-optimization/68814 |
||||||
|
* rtlanal.c (set_noop_p): Use BITS_BIG_ENDIAN instead of |
||||||
|
BYTES_BIG_ENDIAN. |
||||||
|
|
||||||
|
--- gcc/rtlanal.c |
||||||
|
+++ gcc/rtlanal.c |
||||||
|
@@ -1534,7 +1534,7 @@ set_noop_p (const_rtx set) |
||||||
|
|
||||||
|
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 @@ |
|||||||
|
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 @@ |
|||||||
|
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 @@ |
|||||||
|
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 @@ |
|||||||
|
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 @@ |
|||||||
|
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 @@ |
|||||||
|
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 @@ |
|||||||
|
--- 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