diff options
| author | Joseph Myers <joseph@codesourcery.com> | 2008-09-29 20:31:27 +0100 |
|---|---|---|
| committer | Joseph Myers <jsm28@gcc.gnu.org> | 2008-09-29 20:31:27 +0100 |
| commit | 567075ed3155c2eaf016562367b26aa0edc2c9d6 (patch) | |
| tree | 86a8af3425174dbca3e3da668860226d4c4c670a /gcc | |
| parent | ae00112bf06e9156d783fc4ff0ca6db7901f061a (diff) | |
| download | gcc-567075ed3155c2eaf016562367b26aa0edc2c9d6.zip gcc-567075ed3155c2eaf016562367b26aa0edc2c9d6.tar.gz gcc-567075ed3155c2eaf016562367b26aa0edc2c9d6.tar.bz2 | |
ifcvt.c (noce_emit_store_flag): If using condition from original jump, reverse it if if_info->cond was reversed.
* ifcvt.c (noce_emit_store_flag): If using condition from original
jump, reverse it if if_info->cond was reversed.
From-SVN: r140764
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/ifcvt.c | 10 |
2 files changed, 14 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index a8d787b..8a5904f 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2008-09-29 Joseph Myers <joseph@codesourcery.com> + + * ifcvt.c (noce_emit_store_flag): If using condition from original + jump, reverse it if if_info->cond was reversed. + 2008-09-29 Eric Botcazou <ebotcazou@adacore.com> * expr.c (expand_expr_real_1) <normal_inner_ref>: Force op0 to diff --git a/gcc/ifcvt.c b/gcc/ifcvt.c index 341174a..a0b49a3 100644 --- a/gcc/ifcvt.c +++ b/gcc/ifcvt.c @@ -666,7 +666,15 @@ noce_emit_store_flag (struct noce_if_info *if_info, rtx x, int reversep, build the store_flag insn directly. */ if (cond_complex) - cond = XEXP (SET_SRC (pc_set (if_info->jump)), 0); + { + rtx set = pc_set (if_info->jump); + cond = XEXP (SET_SRC (set), 0); + if (GET_CODE (XEXP (SET_SRC (set), 2)) == LABEL_REF + && XEXP (XEXP (SET_SRC (set), 2), 0) == JUMP_LABEL (if_info->jump)) + reversep = !reversep; + if (if_info->then_else_reversed) + reversep = !reversep; + } if (reversep) code = reversed_comparison_code (cond, if_info->jump); |