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* regrename.c (copy_value): Fix comment. 

From-SVN: r101351
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Jakub Jelinek 2005-06-27 10:11:00 +02:00 committed by Jakub Jelinek
parent fd5431bc03
commit de16a5b6a4
2 changed files with 5 additions and 1 deletions
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2
gcc/ChangeLog
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@ -1,5 +1,7 @@
2005-06-27 Jakub Jelinek <jakub@redhat.com>
* regrename.c (copy_value): Fix comment.
* toplev.c (process_options): Use if (FRAME_GROWS_DOWNWARD)
instead of preprocessor conditionals.

4
gcc/regrename.c
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@ -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;