diff options
Diffstat (limited to 'gcc-4.9/gcc/config/alpha/alpha.c')
| -rw-r--r-- | gcc-4.9/gcc/config/alpha/alpha.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/config/alpha/alpha.c b/gcc-4.9/gcc/config/alpha/alpha.c index dc07a02c0..d5c7908be 100644 --- a/gcc-4.9/gcc/config/alpha/alpha.c +++ b/gcc-4.9/gcc/config/alpha/alpha.c @@ -8715,6 +8715,11 @@ alpha_handle_trap_shadows (void) } break; + case BARRIER: + /* __builtin_unreachable can expand to no code at all, + leaving (barrier) RTXes in the instruction stream. */ + goto close_shadow_notrapb; + case JUMP_INSN: case CALL_INSN: case CODE_LABEL: @@ -8730,6 +8735,7 @@ alpha_handle_trap_shadows (void) n = emit_insn_before (gen_trapb (), i); PUT_MODE (n, TImode); PUT_MODE (i, TImode); + close_shadow_notrapb: trap_pending = 0; shadow.used.i = 0; shadow.used.fp = 0; |