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| author | Nathan Froyd <froydnj@codesourcery.com> | 2011-04-15 14:27:55 +0000 |
|---|---|---|
| committer | Nathan Froyd <froydnj@gcc.gnu.org> | 2011-04-15 14:27:55 +0000 |
| commit | edcdea5b0076b473fbed3d0338193aae7d0d9361 (patch) | |
| tree | 20eb5a05b4a467b5a01f7586202e5298a4829e50 /gcc/ipa-pure-const.c | |
| parent | 0f141046690f732453dc182f1dedb9ae31622a93 (diff) | |
| download | gcc-edcdea5b0076b473fbed3d0338193aae7d0d9361.zip gcc-edcdea5b0076b473fbed3d0338193aae7d0d9361.tar.gz gcc-edcdea5b0076b473fbed3d0338193aae7d0d9361.tar.bz2 | |
gimple.h (gimple_asm_clobbers_memory_p): Declare.
* gimple.h (gimple_asm_clobbers_memory_p): Declare.
* gimple.c (gimple_asm_clobbers_memory_p): Define.
* ipa-pure-const.c (check_stmt): Call it.
* tree-ssa-operands.c (get_asm_expr_operands): Likewise.
From-SVN: r172496
Diffstat (limited to 'gcc/ipa-pure-const.c')
| -rw-r--r-- | gcc/ipa-pure-const.c | 15 |
1 files changed, 5 insertions, 10 deletions
diff --git a/gcc/ipa-pure-const.c b/gcc/ipa-pure-const.c index b7deb57..eb5b0f6a 100644 --- a/gcc/ipa-pure-const.c +++ b/gcc/ipa-pure-const.c @@ -639,7 +639,6 @@ static void check_stmt (gimple_stmt_iterator *gsip, funct_state local, bool ipa) { gimple stmt = gsi_stmt (*gsip); - unsigned int i = 0; if (is_gimple_debug (stmt)) return; @@ -693,16 +692,12 @@ check_stmt (gimple_stmt_iterator *gsip, funct_state local, bool ipa) } break; case GIMPLE_ASM: - for (i = 0; i < gimple_asm_nclobbers (stmt); i++) + if (gimple_asm_clobbers_memory_p (stmt)) { - tree op = gimple_asm_clobber_op (stmt, i); - if (strcmp (TREE_STRING_POINTER (TREE_VALUE (op)), "memory") == 0) - { - if (dump_file) - fprintf (dump_file, " memory asm clobber is not const/pure"); - /* Abandon all hope, ye who enter here. */ - local->pure_const_state = IPA_NEITHER; - } + if (dump_file) + fprintf (dump_file, " memory asm clobber is not const/pure"); + /* Abandon all hope, ye who enter here. */ + local->pure_const_state = IPA_NEITHER; } if (gimple_asm_volatile_p (stmt)) { |