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96 lines
2.7 KiB

2018-02-23 Jakub Jelinek <jakub@redhat.com>
PR target/84524
* config/i386/sse.md (*<code><mode>3): Replace <mask_prefix3> with
orig,vex.
(*<plusminus_insn><mode>3): Likewise. Remove <mask_operand3> uses.
* gcc.c-torture/execute/pr84524.c: New test.
* gcc.target/i386/avx512bw-pr84524.c: New test.
--- gcc/config/i386/sse.md.jj 2018-02-13 09:31:24.769607162 +0100
+++ gcc/config/i386/sse.md 2018-02-23 11:51:00.271477979 +0100
@@ -9938,11 +9938,11 @@ (define_insn "*<plusminus_insn><mode>3"
&& ix86_binary_operator_ok (<CODE>, <MODE>mode, operands)"
"@
p<plusminus_mnemonic><ssemodesuffix>\t{%2, %0|%0, %2}
- vp<plusminus_mnemonic><ssemodesuffix>\t{%2, %1, %0<mask_operand3>|%0<mask_operand3>, %1, %2}"
+ vp<plusminus_mnemonic><ssemodesuffix>\t{%2, %1, %0|%0, %1, %2}"
[(set_attr "isa" "noavx,avx")
(set_attr "type" "sseiadd")
(set_attr "prefix_data16" "1,*")
- (set_attr "prefix" "<mask_prefix3>")
+ (set_attr "prefix" "orig,vex")
(set_attr "mode" "<sseinsnmode>")])
(define_insn "*<plusminus_insn><mode>3_mask"
@@ -11822,7 +11822,7 @@ (define_insn "*<code><mode>3"
(eq_attr "mode" "TI"))
(const_string "1")
(const_string "*")))
- (set_attr "prefix" "<mask_prefix3>")
+ (set_attr "prefix" "orig,vex")
(set (attr "mode")
(cond [(and (match_test "<MODE_SIZE> == 16")
(match_test "TARGET_SSE_PACKED_SINGLE_INSN_OPTIMAL"))
--- gcc/testsuite/gcc.c-torture/execute/pr84524.c.jj 2018-02-23 11:54:51.913492631 +0100
+++ gcc/testsuite/gcc.c-torture/execute/pr84524.c 2018-02-23 11:59:55.467511836 +0100
@@ -0,0 +1,41 @@
+/* PR target/84524 */
+
+__attribute__((noipa)) void
+foo (unsigned short *x)
+{
+ unsigned short i, v;
+ unsigned char j;
+ for (i = 0; i < 256; i++)
+ {
+ v = i << 8;
+ for (j = 0; j < 8; j++)
+ if (v & 0x8000)
+ v = (v << 1) ^ 0x1021;
+ else
+ v = v << 1;
+ x[i] = v;
+ }
+}
+
+int
+main ()
+{
+ unsigned short a[256];
+
+ foo (a);
+ for (int i = 0; i < 256; i++)
+ {
+ unsigned short v = i << 8;
+ for (int j = 0; j < 8; j++)
+ {
+ asm volatile ("" : "+r" (v));
+ if (v & 0x8000)
+ v = (v << 1) ^ 0x1021;
+ else
+ v = v << 1;
+ }
+ if (a[i] != v)
+ __builtin_abort ();
+ }
+ return 0;
+}
--- gcc/testsuite/gcc.target/i386/avx512bw-pr84524.c.jj 2018-02-23 11:58:16.919505601 +0100
+++ gcc/testsuite/gcc.target/i386/avx512bw-pr84524.c 2018-02-23 11:58:57.377508169 +0100
@@ -0,0 +1,14 @@
+/* PR target/84524 */
+/* { dg-do run { target avx512bw } } */
+/* { dg-options "-O3 -mavx512bw" } */
+
+#include "avx512bw-check.h"
+
+#define main() do_main()
+#include "../../gcc.c-torture/execute/pr84524.c"
+
+static void
+avx512bw_test (void)
+{
+ do_main ();
+}