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re PR target/78791 (ACATS cxf2001 failure)

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PR target/78791
	* config/i386/i386.h (enum ix86_stack_slot): Add SLOT_STV_TEMP.
	* config/i386/i386.c (dimode_scalar_chain::make_vector_copies,
	dimode_scalar_chain::convert_reg): Use SLOT_STV_TEMP instead of
	SLOT_TEMP.

	* gcc.c-torture/execute/pr78791.c: New test.
	* gcc.target/i386/pr78791.c: New test.

From-SVN: r243671
This commit is contained in:
Jakub Jelinek 2016-12-14 22:39:51 +01:00 committed by Jakub Jelinek
parent b958889311
commit 8000827901
6 changed files with 41 additions and 2 deletions
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8
gcc/ChangeLog
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@ -1,3 +1,11 @@
2016-12-14 Jakub Jelinek <jakub@redhat.com>
PR target/78791
* config/i386/i386.h (enum ix86_stack_slot): Add SLOT_STV_TEMP.
* config/i386/i386.c (dimode_scalar_chain::make_vector_copies,
dimode_scalar_chain::convert_reg): Use SLOT_STV_TEMP instead of
SLOT_TEMP.
2016-12-14 Uros Bizjak <ubizjak@gmail.com>
PR target/59874

4
gcc/config/i386/i386.c
View File

@ -3560,7 +3560,7 @@ dimode_scalar_chain::make_vector_copies (unsigned regno)
}
else
{
rtx tmp = assign_386_stack_local (DImode, SLOT_TEMP);
rtx tmp = assign_386_stack_local (DImode, SLOT_STV_TEMP);
emit_move_insn (adjust_address (tmp, SImode, 0),
gen_rtx_SUBREG (SImode, reg, 0));
emit_move_insn (adjust_address (tmp, SImode, 4),
@ -3637,7 +3637,7 @@ dimode_scalar_chain::convert_reg (unsigned regno)
}
else
{
rtx tmp = assign_386_stack_local (DImode, SLOT_TEMP);
rtx tmp = assign_386_stack_local (DImode, SLOT_STV_TEMP);
emit_move_insn (tmp, reg);
emit_move_insn (gen_rtx_SUBREG (SImode, scopy, 0),
adjust_address (tmp, SImode, 0));

1
gcc/config/i386/i386.h
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@ -2400,6 +2400,7 @@ enum ix86_stack_slot
SLOT_CW_FLOOR,
SLOT_CW_CEIL,
SLOT_CW_MASK_PM,
SLOT_STV_TEMP,
MAX_386_STACK_LOCALS
};

6
gcc/testsuite/ChangeLog
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@ -1,3 +1,9 @@
2016-12-14 Jakub Jelinek <jakub@redhat.com>
PR target/78791
* gcc.c-torture/execute/pr78791.c: New test.
* gcc.target/i386/pr78791.c: New test.
2016-12-14 Marek Polacek <polacek@redhat.com>
PR c++/72775

19
gcc/testsuite/gcc.c-torture/execute/pr78791.c Normal file
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@ -0,0 +1,19 @@
/* PR target/78791 */
__attribute__((used, noinline, noclone)) unsigned long long
foo (unsigned long long x, unsigned long long y, unsigned long long z)
{
unsigned long long a = x / y;
unsigned long long b = x % y;
a |= z;
b ^= z;
return a + b;
}
int
main ()
{
if (foo (64, 7, 0) != 10 || foo (28, 3, 2) != 14)
__builtin_abort ();
return 0;
}

5
gcc/testsuite/gcc.target/i386/pr78791.c Normal file
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@ -0,0 +1,5 @@
/* PR target/78791 */
/* { dg-do run { target sse2_runtime } } */
/* { dg-options "-O2 -msse2" } */
#include "../../gcc.c-torture/execute/pr78791.c"