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Add clobber CC register to sse_prologue_save patterns.

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gcc/

2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/43799
	* config/i386/i386.md (sse_prologue_save): Add clobber CC
	register.
	(*sse_prologue_save_insn1): Likewise.
	(SSE prologue save splitter): Likewise.

gcc/testsuite/

2010-05-04  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/43799
	* gcc.target/i386/pr43799.c: New.

From-SVN: r159040
This commit is contained in:
H.J. Lu 2010-05-04 18:51:29 +00:00 • committed by H.J. Lu
parent 7ef5e86ccb
commit ade6a9acdb
4 changed files with 35 additions and 0 deletions
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8
gcc/ChangeLog
View file

@ -1,3 +1,11 @@
2010-05-04 H.J. Lu <hongjiu.lu@intel.com>
PR target/43799
* config/i386/i386.md (sse_prologue_save): Add clobber CC
register.
(*sse_prologue_save_insn1): Likewise.
(SSE prologue save splitter): Likewise.
2010-05-04 Eric Botcazou <ebotcazou@adacore.com>
* tree.c (free_lang_data_in_one_sizepos): New inline function.

3
gcc/config/i386/i386.md
View file

@ -18326,6 +18326,7 @@
(reg:DI XMM5_REG)
(reg:DI XMM6_REG)
(reg:DI XMM7_REG)] UNSPEC_SSE_PROLOGUE_SAVE))
(clobber (reg:CC FLAGS_REG))
(clobber (match_operand:DI 1 "register_operand" ""))
(use (match_operand:DI 2 "immediate_operand" ""))
(use (label_ref:DI (match_operand 3 "" "")))
@ -18352,6 +18353,7 @@
(reg:DI XMM5_REG)
(reg:DI XMM6_REG)
(reg:DI XMM7_REG)] UNSPEC_SSE_PROLOGUE_SAVE))
(clobber (reg:CC FLAGS_REG))
(clobber (match_operand:DI 1 "register_operand" "=r"))
(use (match_operand:DI 2 "const_int_operand" "i"))
(use (label_ref:DI (match_operand 3 "" "X")))
@ -18377,6 +18379,7 @@
(reg:DI XMM5_REG)
(reg:DI XMM6_REG)
(reg:DI XMM7_REG)] UNSPEC_SSE_PROLOGUE_SAVE))
(clobber (reg:CC FLAGS_REG))
(clobber (match_operand:DI 1 "register_operand" ""))
(use (match_operand:DI 2 "const_int_operand" ""))
(use (match_operand 3 "" ""))

5
gcc/testsuite/ChangeLog
View file

@ -1,3 +1,8 @@
2010-05-04 H.J. Lu <hongjiu.lu@intel.com>
PR target/43799
* gcc.target/i386/pr43799.c: New.
2010-05-04 Eric Botcazou <ebotcazou@adacore.com>
* gnat.dg/lto1.adb: New test.

19
gcc/testsuite/gcc.target/i386/pr43799.c Normal file
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@ -0,0 +1,19 @@
/* { dg-do run } */
/* { dg-options "-O -fschedule-insns" } */
int f4 (int i, ...)
{
int y = 0;
__builtin_va_list ap;
__builtin_va_start(ap, i);
if (i == 5) y = __builtin_va_arg(ap, double);
__builtin_va_end(ap);
return y;
}
int main (void)
{
if (f4 (5, 7.0) != 7)
__builtin_abort ();
return 0;
}