diff options
Diffstat (limited to 'gcc/cfgcleanup.c')
| -rw-r--r-- | gcc/cfgcleanup.c | 19 |
1 files changed, 4 insertions, 15 deletions
diff --git a/gcc/cfgcleanup.c b/gcc/cfgcleanup.c index 0a6766ba41c..cd12b504e18 100644 --- a/gcc/cfgcleanup.c +++ b/gcc/cfgcleanup.c @@ -222,22 +222,15 @@ try_simplify_condjump (basic_block cbranch_block) static bool mark_effect (rtx exp, regset nonequal) { - int regno; rtx dest; switch (GET_CODE (exp)) { /* In case we do clobber the register, mark it as equal, as we know the value is dead so it don't have to match. */ case CLOBBER: - if (REG_P (XEXP (exp, 0))) - { - dest = XEXP (exp, 0); - regno = REGNO (dest); - if (HARD_REGISTER_NUM_P (regno)) - bitmap_clear_range (nonequal, regno, REG_NREGS (dest)); - else - bitmap_clear_bit (nonequal, regno); - } + dest = XEXP (exp, 0); + if (REG_P (dest)) + bitmap_clear_range (nonequal, REGNO (dest), REG_NREGS (dest)); return false; case SET: @@ -248,11 +241,7 @@ mark_effect (rtx exp, regset nonequal) return false; if (!REG_P (dest)) return true; - regno = REGNO (dest); - if (HARD_REGISTER_NUM_P (regno)) - bitmap_set_range (nonequal, regno, REG_NREGS (dest)); - else - bitmap_set_bit (nonequal, regno); + bitmap_set_range (nonequal, REGNO (dest), REG_NREGS (dest)); return false; default: |