diff options
| author | Kai Tietz <kai.tietz@onevision.com> | 2008-05-26 13:17:43 +0000 |
|---|---|---|
| committer | Kai Tietz <ktietz@gcc.gnu.org> | 2008-05-26 15:17:43 +0200 |
| commit | e5f005e18cf7763078e93e3da1747cb3c964b0b3 (patch) | |
| tree | 370e1f7da95c9061bd79c4bbffe0f41e86658092 /gcc | |
| parent | c878b2efd6d2659abaea4119744b5184db0c2b53 (diff) | |
| download | gcc-e5f005e18cf7763078e93e3da1747cb3c964b0b3.zip gcc-e5f005e18cf7763078e93e3da1747cb3c964b0b3.tar.gz gcc-e5f005e18cf7763078e93e3da1747cb3c964b0b3.tar.bz2 | |
i386.md (allocate_stack_worker_64): Make sure argument operand in rax isn't removed.
2008-05-26 Kai Tietz <kai.tietz@onevision.com>
PR/36321
* config/i386/i386.md (allocate_stack_worker_64): Make sure argument operand in
rax isn't removed.
2008-05-26 Kai Tietz <kai.tietz@onevision.com>
* gcc-c.torture/execute/pr36321.c: New.
From-SVN: r135921
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/config/i386/i386.md | 2 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.c-torture/execute/pr36321.c | 24 |
4 files changed, 35 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 25f86bc..f12440f 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2008-05-26 Kai Tietz <kai.tietz@onevision.com> + + PR/36321 + * config/i386/i386.md (allocate_stack_worker_64): Make sure + argument operand in rax isn't removed. + 2008-05-26 Richard Guenther <rguenther@suse.de> PR middle-end/36300 diff --git a/gcc/config/i386/i386.md b/gcc/config/i386/i386.md index fa1bff7..885077d 100644 --- a/gcc/config/i386/i386.md +++ b/gcc/config/i386/i386.md @@ -19707,7 +19707,7 @@ (set_attr "length" "5")]) (define_insn "allocate_stack_worker_64" - [(set (match_operand:DI 0 "register_operand" "=a") + [(set (match_operand:DI 0 "register_operand" "+a") (unspec_volatile:DI [(match_dup 0)] UNSPECV_STACK_PROBE)) (set (reg:DI SP_REG) (minus:DI (reg:DI SP_REG) (match_dup 0))) (clobber (reg:DI R10_REG)) diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 867b297..156ea63 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,7 @@ +2008-05-26 Kai Tietz <kai.tietz@onevision.com> + + * gcc-c.torture/execute/pr36321.c: New. + 2008-05-26 Richard Guenther <rguenther@suse.de> PR middle-end/36300 diff --git a/gcc/testsuite/gcc.c-torture/execute/pr36321.c b/gcc/testsuite/gcc.c-torture/execute/pr36321.c new file mode 100644 index 0000000..37d64f3 --- /dev/null +++ b/gcc/testsuite/gcc.c-torture/execute/pr36321.c @@ -0,0 +1,24 @@ +extern void abort (void); + +extern __SIZE_TYPE__ strlen (const char *); +void foo(char *str) +{ + int len2 = strlen (str); + char *a = (char *) __builtin_alloca (0); + char *b = (char *) __builtin_alloca (len2*3); + + if ((int) (a-b) < (len2*3)) + { +#ifdef _WIN32 + abort (); +#endif + return; + } +} + +int main(int argc, char **argv) +{ + foo (argv[0]); + return 0; +} + |