diff options
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/config/sparc/sparc.h | 5 |
2 files changed, 10 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 3a87282..92fa318 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr> + + PR rtl-optimization/25367 + * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro. + 2006-01-10 Hans-Peter Nilsson <hp@axis.com> PR target/25718 diff --git a/gcc/config/sparc/sparc.h b/gcc/config/sparc/sparc.h index a72cc90..bb4647c 100644 --- a/gcc/config/sparc/sparc.h +++ b/gcc/config/sparc/sparc.h @@ -884,6 +884,11 @@ extern int sparc_mode_class[]; #define HARD_REGNO_MODE_OK(REGNO, MODE) \ ((hard_regno_mode_classes[REGNO] & sparc_mode_class[MODE]) != 0) +/* Value is 1 if it is OK to rename a hard register FROM to another hard + register TO. We cannot rename %g1 as it may be used before the save + register window instruction in the prologue. */ +#define HARD_REGNO_RENAME_OK(FROM, TO) ((FROM) != 1) + /* Value is 1 if it is a good idea to tie two pseudo registers when one has mode MODE1 and one has mode MODE2. If HARD_REGNO_MODE_OK could produce different values for MODE1 and MODE2, |