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| author | Richard Sandiford <rdsandiford@googlemail.com> | 2010-07-12 19:03:43 +0000 |
|---|---|---|
| committer | Richard Sandiford <rsandifo@gcc.gnu.org> | 2010-07-12 19:03:43 +0000 |
| commit | cc14227fd9aadda127a94a28d34eaa4249df3f12 (patch) | |
| tree | 17257bf331c6a9f21e3d19df584d3f0ecf1671bb /gcc/reload.h | |
| parent | fa19795ec4394113e1d79f4660d97b2da23cfaca (diff) | |
| download | gcc-cc14227fd9aadda127a94a28d34eaa4249df3f12.zip gcc-cc14227fd9aadda127a94a28d34eaa4249df3f12.tar.gz gcc-cc14227fd9aadda127a94a28d34eaa4249df3f12.tar.bz2 | |
reload.h (target_reload): Add x_cached_reg_save_code and x_cached_reg_restore_code.
gcc/
* reload.h (target_reload): Add x_cached_reg_save_code and
x_cached_reg_restore_code.
* caller-save.c (cached_reg_save_code, cached_reg_restore_code):
Redefine as macros.
From-SVN: r162106
Diffstat (limited to 'gcc/reload.h')
| -rw-r--r-- | gcc/reload.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/gcc/reload.h b/gcc/reload.h index 16d52d9..01bbfb1 100644 --- a/gcc/reload.h +++ b/gcc/reload.h @@ -182,6 +182,14 @@ struct target_reload { enum machine_mode (x_regno_save_mode [FIRST_PSEUDO_REGISTER] [MAX_MOVE_MAX / MIN_UNITS_PER_WORD + 1]); + + /* We will only make a register eligible for caller-save if it can be + saved in its widest mode with a simple SET insn as long as the memory + address is valid. We record the INSN_CODE is those insns here since + when we emit them, the addresses might not be valid, so they might not + be recognized. */ + int x_cached_reg_save_code[FIRST_PSEUDO_REGISTER][MAX_MACHINE_MODE]; + int x_cached_reg_restore_code[FIRST_PSEUDO_REGISTER][MAX_MACHINE_MODE]; }; extern struct target_reload default_target_reload; |