diff options
| author | hubicka <hubicka@138bc75d-0d04-0410-961f-82ee72b054a4> | 2000-12-15 14:33:32 +0000 |
|---|---|---|
| committer | hubicka <hubicka@138bc75d-0d04-0410-961f-82ee72b054a4> | 2000-12-15 14:33:32 +0000 |
| commit | 8dc02b989c39f019f82cc97802ca7f153c142db3 (patch) | |
| tree | 2b01a4c8997a12a0008e4028d042c835e581b12b /gcc | |
| parent | 4fa67631c2ead48803f2f46e4df54af27c56de98 (diff) | |
| download | ppe42-gcc-8dc02b989c39f019f82cc97802ca7f153c142db3.tar.gz ppe42-gcc-8dc02b989c39f019f82cc97802ca7f153c142db3.zip | |
* combine.c (cant_combine_insn_p): Get around SUBREGs when determining
hardreg<->reg moves.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@38285 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/combine.c | 4 |
2 files changed, 9 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index ec345e56031..bf665e470a8 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +Fri Dec 15 15:32:16 MET 2000 Jan Hubicka <jh@suse.cz> + + * combine.c (cant_combine_insn_p): Get around SUBREGs when determining + hardreg<->reg moves. + Fri Dec 15 14:48:37 MET 2000 Jan Hubicka <jh@suse.cz> * genrecog.c (add_to_sequence): Remove special case for diff --git a/gcc/combine.c b/gcc/combine.c index 7fa23793cbd..5240e88ed9b 100644 --- a/gcc/combine.c +++ b/gcc/combine.c @@ -1465,6 +1465,10 @@ cant_combine_insn_p (insn) return 0; src = SET_SRC (set); dest = SET_DEST (set); + if (GET_CODE (src) == SUBREG) + src = SUBREG_REG (src); + if (GET_CODE (dest) == SUBREG) + dest = SUBREG_REG (dest); if (REG_P (src) && REG_P (dest) && ((REGNO (src) < FIRST_PSEUDO_REGISTER && ! fixed_regs[REGNO (src)]) |
