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| author | Jakub Jelinek <jakub@redhat.com> | 2005-06-27 10:11:00 +0200 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2005-06-27 10:11:00 +0200 |
| commit | de16a5b6a405055fe49ac876878ebe2a65459b42 (patch) | |
| tree | 82f89cd593836e6dde39d01355a3d09a04bf4b68 /gcc/regrename.c | |
| parent | fd5431bc0333a8cbf12e3a567b39a03063300200 (diff) | |
| download | gcc-de16a5b6a405055fe49ac876878ebe2a65459b42.zip gcc-de16a5b6a405055fe49ac876878ebe2a65459b42.tar.gz gcc-de16a5b6a405055fe49ac876878ebe2a65459b42.tar.bz2 | |
* regrename.c (copy_value): Fix comment.
From-SVN: r101351
Diffstat (limited to 'gcc/regrename.c')
| -rw-r--r-- | gcc/regrename.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/gcc/regrename.c b/gcc/regrename.c index 91e9d71..3a596ff 100644 --- a/gcc/regrename.c +++ b/gcc/regrename.c @@ -1225,7 +1225,9 @@ copy_value (rtx dest, rtx src, struct value_data *vd) if (frame_pointer_needed && dr == HARD_FRAME_POINTER_REGNUM) return; - /* Likewise for fixed or global registers. */ + /* Do not propagate copies to fixed or global registers, patterns + can be relying to see particular fixed register or users can + expect the chosen global register in asm. */ if (fixed_regs[dr] || global_regs[dr]) return; |