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re PR target/85169 (wrong code with vector member insert)

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PR target/85169
	* config/i386/i386.c (ix86_expand_vector_set): Use
	HOST_WIDE_INT_1U << elt instead of 1 << elt.  Formatting fix.

	* gcc.c-torture/execute/pr85169.c: New test.
	* gcc.target/i386/avx512f-pr85169.c: New test.
	* gcc.target/i386/avx512bw-pr85169.c: New test.

From-SVN: r259037
This commit is contained in:
Jakub Jelinek 2018-04-03 18:06:19 +02:00 committed by Jakub Jelinek
parent 86d13a05fd
commit 4304d6180a
6 changed files with 76 additions and 3 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2018-04-03 Jakub Jelinek <jakub@redhat.com>
PR target/85169
* config/i386/i386.c (ix86_expand_vector_set): Use
HOST_WIDE_INT_1U << elt instead of 1 << elt. Formatting fix.
2018-04-03 Uros Bizjak <ubizjak@gmail.com>
* config/i386/i386.c (emit_i387_cw_initialization): Always use logic

8
gcc/config/i386/i386.c
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@ -44127,12 +44127,14 @@ quarter:
where the mask is clear and second input operand otherwise. */
emit_insn (gen_blendm (target, target, tmp,
force_reg (mmode,
gen_int_mode (1 << elt, mmode))));
gen_int_mode (HOST_WIDE_INT_1U << elt,
mmode))));
}
else if (use_vec_merge)
{
tmp = gen_rtx_VEC_DUPLICATE (mode, val);
tmp = gen_rtx_VEC_MERGE (mode, tmp, target, GEN_INT (1 << elt));
tmp = gen_rtx_VEC_MERGE (mode, tmp, target,
GEN_INT (HOST_WIDE_INT_1U << elt));
emit_insn (gen_rtx_SET (target, tmp));
}
else
@ -44141,7 +44143,7 @@ quarter:
emit_move_insn (mem, target);
tmp = adjust_address (mem, inner_mode, elt*GET_MODE_SIZE (inner_mode));
tmp = adjust_address (mem, inner_mode, elt * GET_MODE_SIZE (inner_mode));
emit_move_insn (tmp, val);
emit_move_insn (target, mem);

7
gcc/testsuite/ChangeLog
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@ -1,3 +1,10 @@
2018-04-03 Jakub Jelinek <jakub@redhat.com>
PR target/85169
* gcc.c-torture/execute/pr85169.c: New test.
* gcc.target/i386/avx512f-pr85169.c: New test.
* gcc.target/i386/avx512bw-pr85169.c: New test.
2018-04-03 Segher Boessenkool <segher@kernel.crashing.org>
PR target/85126

22
gcc/testsuite/gcc.c-torture/execute/pr85169.c Normal file
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@ -0,0 +1,22 @@
/* PR target/85169 */
typedef char V __attribute__((vector_size (64)));
static void __attribute__ ((noipa))
foo (V *p)
{
V v = *p;
v[63] = 1;
*p = v;
}
int
main ()
{
V v = (V) { };
foo (&v);
for (unsigned i = 0; i < 64; i++)
if (v[i] != (i == 63))
__builtin_abort ();
return 0;
}

18
gcc/testsuite/gcc.target/i386/avx512bw-pr85169.c Normal file
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@ -0,0 +1,18 @@
/* PR target/85169 */
/* { dg-do run { target avx512bw } } */
/* { dg-options "-O2 -mavx512bw" } */
#include "avx512bw-check.h"
int do_main (void);
static void
avx512bw_test (void)
{
do_main ();
}
#undef main
#define main() do_main ()
#include "../../gcc.c-torture/execute/pr85169.c"

18
gcc/testsuite/gcc.target/i386/avx512f-pr85169.c Normal file
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@ -0,0 +1,18 @@
/* PR target/85169 */
/* { dg-do run { target avx512f } } */
/* { dg-options "-O2 -mavx512f" } */
#include "avx512f-check.h"
int do_main (void);
static void
avx512f_test (void)
{
do_main ();
}
#undef main
#define main() do_main ()
#include "../../gcc.c-torture/execute/pr85169.c"