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| author | Richard Kenner <kenner@vlsi1.ultra.nyu.edu> | 2003-04-15 13:06:58 +0000 |
|---|---|---|
| committer | Richard Kenner <kenner@gcc.gnu.org> | 2003-04-15 09:06:58 -0400 |
| commit | d0ccc658cb93a6a31a4324302ff6175244dab968 (patch) | |
| tree | c4d899366fa1c01553a24de869cc410ef00881bd | |
| parent | 29921faf497b685d7a63ce2f16bae9a4f08d1dfd (diff) | |
| download | gcc-d0ccc658cb93a6a31a4324302ff6175244dab968.zip gcc-d0ccc658cb93a6a31a4324302ff6175244dab968.tar.gz gcc-d0ccc658cb93a6a31a4324302ff6175244dab968.tar.bz2 | |
optabs.c (expand_binop): In multi-word add cases, ensure XTARGET is copied to TARGET if they are different.
* optabs.c (expand_binop): In multi-word add cases, ensure
XTARGET is copied to TARGET if they are different.
From-SVN: r65632
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/optabs.c | 3 |
2 files changed, 7 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 092ae7c..4c375c0 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2003-04-15 Richard Kenner <kenner@vlsi1.ultra.nyu.edu> + + * optabs.c (expand_binop): In multi-word add cases, ensure + XTARGET is copied to TARGET if they are different. + 2003-04-15 Olivier Hainque <hainque@act-europe.fr> * except.c (resolve_fixup_regions): Avoid dereferencing null pointer diff --git a/gcc/optabs.c b/gcc/optabs.c index 59f7147..f57c814 100644 --- a/gcc/optabs.c +++ b/gcc/optabs.c @@ -1299,7 +1299,8 @@ expand_binop (mode, binoptab, op0, op1, target, unsignedp, methods) if (i == GET_MODE_BITSIZE (mode) / (unsigned) BITS_PER_WORD) { - if (mov_optab->handlers[(int) mode].insn_code != CODE_FOR_nothing) + if (mov_optab->handlers[(int) mode].insn_code != CODE_FOR_nothing + || ! rtx_equal_p (target, xtarget)) { rtx temp = emit_move_insn (target, xtarget); |