diff options
| author | hjl <hjl@138bc75d-0d04-0410-961f-82ee72b054a4> | 2010-05-04 18:51:29 +0000 |
|---|---|---|
| committer | hjl <hjl@138bc75d-0d04-0410-961f-82ee72b054a4> | 2010-05-04 18:51:29 +0000 |
| commit | c502d4417a16bc7409984cde80488abb2820759a (patch) | |
| tree | d8e7a1386e7fd21786603306f4b4ddb21db8c00f | |
| parent | 621b002b1fbe2e8e52eeb5981a6f372a80129541 (diff) | |
| download | gcc-c502d4417a16bc7409984cde80488abb2820759a.tar.gz | |
Add clobber CC register to sse_prologue_save patterns.
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.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@159040 138bc75d-0d04-0410-961f-82ee72b054a4
| -rw-r--r-- | gcc/ChangeLog | 8 | ||||
| -rw-r--r-- | gcc/config/i386/i386.md | 3 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.target/i386/pr43799.c | 19 |
4 files changed, 35 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 72671c84f7a..61797432b8d 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -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. diff --git a/gcc/config/i386/i386.md b/gcc/config/i386/i386.md index 8249efd31fd..86351e17008 100644 --- a/gcc/config/i386/i386.md +++ b/gcc/config/i386/i386.md @@ -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 "" "")) diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 1ad5bc027b3..737a9f151e2 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -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. diff --git a/gcc/testsuite/gcc.target/i386/pr43799.c b/gcc/testsuite/gcc.target/i386/pr43799.c new file mode 100644 index 00000000000..de9022d0cb6 --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/pr43799.c @@ -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; +} |