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authorJeff Law <law@gcc.gnu.org>1995-12-31 19:32:57 -0700
committerJeff Law <law@gcc.gnu.org>1995-12-31 19:32:57 -0700
commit6cad67d2d0789487217a2091c2f14d48f9e1ad6b (patch)
tree6954fbd4d8694312315db4ec5b21e6a62873aec7 /gcc/hard-reg-set.h
parent6e81958a66749a62fdd4f50de26e52a10fa559da (diff)
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hard-reg-set.h (losing_caller_save_reg_set): Declare.
* hard-reg-set.h (losing_caller_save_reg_set): Declare. * regclass.c (losing_caller_save_reg_set): Define. (init_reg_sets_1): Initialize losing_caller_save_reg_set. * global.c (find_reg): Avoid caller-saving registers in LOSING_CALLER_SAVE_REGS if it's defined. * local-alloc.c (find_free_reg): Avoid caller-saving registers in losing_caller_save_reg_set. (CLASS_LIKELY_SPILLED_P): Delete definition. Moved into regs.h. * regs.h (CLASS_LIKELY_SPILLED_P): Define if not already defined. From-SVN: r10926
Diffstat (limited to 'gcc/hard-reg-set.h')
-rw-r--r--gcc/hard-reg-set.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/gcc/hard-reg-set.h b/gcc/hard-reg-set.h
index 084785e..b2bec47 100644
--- a/gcc/hard-reg-set.h
+++ b/gcc/hard-reg-set.h
@@ -211,6 +211,9 @@ extern char call_used_regs[FIRST_PSEUDO_REGISTER];
extern HARD_REG_SET call_used_reg_set;
+/* Registers that we don't want to caller save. */
+extern HARD_REG_SET losing_caller_save_reg_set;
+
/* Indexed by hard register number, contains 1 for registers that are
fixed use -- i.e. in fixed_regs -- or a function value return register
or STRUCT_VALUE_REGNUM or STATIC_CHAIN_REGNUM. These are the