diff options
Diffstat (limited to 'gcc/gcse.c')
| -rw-r--r-- | gcc/gcse.c | 9 |
1 files changed, 2 insertions, 7 deletions
diff --git a/gcc/gcse.c b/gcc/gcse.c index 47d3fae5730..67f8053e9c8 100644 --- a/gcc/gcse.c +++ b/gcc/gcse.c @@ -1366,7 +1366,6 @@ mems_conflict_for_gcse_p (rtx dest, rtx setter ATTRIBUTE_UNUSED, { while (GET_CODE (dest) == SUBREG || GET_CODE (dest) == ZERO_EXTRACT - || GET_CODE (dest) == SIGN_EXTRACT || GET_CODE (dest) == STRICT_LOW_PART) dest = XEXP (dest, 0); @@ -2002,7 +2001,6 @@ canon_list_insert (rtx dest ATTRIBUTE_UNUSED, rtx unused1 ATTRIBUTE_UNUSED, while (GET_CODE (dest) == SUBREG || GET_CODE (dest) == ZERO_EXTRACT - || GET_CODE (dest) == SIGN_EXTRACT || GET_CODE (dest) == STRICT_LOW_PART) dest = XEXP (dest, 0); @@ -2390,7 +2388,6 @@ mark_set (rtx pat, rtx insn) while (GET_CODE (dest) == SUBREG || GET_CODE (dest) == ZERO_EXTRACT - || GET_CODE (dest) == SIGN_EXTRACT || GET_CODE (dest) == STRICT_LOW_PART) dest = XEXP (dest, 0); @@ -2739,8 +2736,7 @@ try_replace_reg (rtx from, rtx to, rtx insn) have a note, and have no special SET, add a REG_EQUAL note to not lose information. */ if (!success && note == 0 && set != 0 - && GET_CODE (XEXP (set, 0)) != ZERO_EXTRACT - && GET_CODE (XEXP (set, 0)) != SIGN_EXTRACT) + && GET_CODE (SET_DEST (set)) != ZERO_EXTRACT) note = set_unique_reg_note (insn, REG_EQUAL, copy_rtx (src)); } @@ -5960,8 +5956,7 @@ store_killed_in_insn (rtx x, rtx x_regs, rtx insn, int after) rtx pat = PATTERN (insn); rtx dest = SET_DEST (pat); - if (GET_CODE (dest) == SIGN_EXTRACT - || GET_CODE (dest) == ZERO_EXTRACT) + if (GET_CODE (dest) == ZERO_EXTRACT) dest = XEXP (dest, 0); /* Check for memory stores to aliased objects. */ |