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Diffstat (limited to 'gcc/tree-ssa-phiopt.c')
| -rw-r--r-- | gcc/tree-ssa-phiopt.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/gcc/tree-ssa-phiopt.c b/gcc/tree-ssa-phiopt.c index 02d5aa0..344cd2f 100644 --- a/gcc/tree-ssa-phiopt.c +++ b/gcc/tree-ssa-phiopt.c @@ -1519,7 +1519,9 @@ nontrapping_dom_walker::before_dom_children (basic_block bb) { gimple *stmt = gsi_stmt (gsi); - if (is_gimple_call (stmt) && !nonfreeing_call_p (stmt)) + if ((gimple_code (stmt) == GIMPLE_ASM && gimple_vdef (stmt)) + || (is_gimple_call (stmt) + && (!nonfreeing_call_p (stmt) || !nonbarrier_call_p (stmt)))) nt_call_phase++; else if (gimple_assign_single_p (stmt) && !gimple_has_volatile_ops (stmt)) { |