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| author | Richard Sandiford <richard@codesourcery.com> | 2007-04-27 11:39:47 +0000 |
|---|---|---|
| committer | Richard Sandiford <rsandifo@gcc.gnu.org> | 2007-04-27 11:39:47 +0000 |
| commit | 8c74fb06c66b569a26f93c0d569d4437fdcfd415 (patch) | |
| tree | a4840b670d6361a1ddbbb4b10ca1921ee3bb7e7c /gcc/reload.h | |
| parent | a9b77cd1f72118dead00c720f1fc3348b7c5127e (diff) | |
| download | gcc-8c74fb06c66b569a26f93c0d569d4437fdcfd415.tar.gz | |
reload.h (elimination_target_reg_p): Declare.
gcc/
* reload.h (elimination_target_reg_p): Declare.
* reload.c (find_reloads): Don't apply the reg_rtx move
optimization if the SET_DEST satisfies elimination_target_reg_p.
* reload1.c (elimination_target_reg_p): New function.
(gen_reload): In the move/add2 fallback, make sure that op0
does not overlap the destination register.
From-SVN: r124215
Diffstat (limited to 'gcc/reload.h')
| -rw-r--r-- | gcc/reload.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/gcc/reload.h b/gcc/reload.h index 6de5e8471bf..38d340fd5cd 100644 --- a/gcc/reload.h +++ b/gcc/reload.h @@ -342,6 +342,7 @@ extern void mark_home_live (int); /* Scan X and replace any eliminable registers (such as fp) with a replacement (such as sp), plus an offset. */ extern rtx eliminate_regs (rtx, enum machine_mode, rtx); +extern bool elimination_target_reg_p (rtx); /* Deallocate the reload register used by reload number R. */ extern void deallocate_reload_reg (int r); |