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authorGeoffrey Keating <geoffk@apple.com>2003-09-06 04:07:18 +0000
committerGeoffrey Keating <geoffk@gcc.gnu.org>2003-09-06 04:07:18 +0000
commitc55a59cc63a85766588af346a970ca3116c82155 (patch)
tree4fa040537c7e177299dcd331c1154a1f51da75bf /gcc
parente7f115de8d4a52f9dbeb47e87ddac62a978fda60 (diff)
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darwin.h (PREFERRED_RELOAD_CLASS): Always return a subset of the input class.
* config/rs6000/darwin.h (PREFERRED_RELOAD_CLASS): Always return a subset of the input class. From-SVN: r71128
Diffstat (limited to 'gcc')
-rw-r--r--gcc/ChangeLog5
-rw-r--r--gcc/config/rs6000/darwin.h21
2 files changed, 16 insertions, 10 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index a2af1cd..0d57ffd 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2003-09-05 Geoffrey Keating <geoffk@apple.com>
+
+ * config/rs6000/darwin.h (PREFERRED_RELOAD_CLASS): Always return
+ a subset of the input class.
+
2003-09-05 Kazu Hirata <kazu@cs.umass.edu>
* config/i860/i860.c: Follow spelling conventions.
diff --git a/gcc/config/rs6000/darwin.h b/gcc/config/rs6000/darwin.h
index bee77b9..4722826 100644
--- a/gcc/config/rs6000/darwin.h
+++ b/gcc/config/rs6000/darwin.h
@@ -245,16 +245,17 @@ do { \
a SYMBOL_REF. */
#undef PREFERRED_RELOAD_CLASS
-#define PREFERRED_RELOAD_CLASS(X,CLASS) \
- (((GET_CODE (X) == CONST_DOUBLE \
- && GET_MODE_CLASS (GET_MODE (X)) == MODE_FLOAT) \
- ? NO_REGS \
- : (GET_MODE_CLASS (GET_MODE (X)) == MODE_INT \
- && (CLASS) == NON_SPECIAL_REGS) \
- ? GENERAL_REGS \
- : (GET_CODE (X) == SYMBOL_REF || GET_CODE (X) == HIGH) \
- ? BASE_REGS \
- : (CLASS)))
+#define PREFERRED_RELOAD_CLASS(X,CLASS) \
+ ((GET_CODE (X) == CONST_DOUBLE \
+ && GET_MODE_CLASS (GET_MODE (X)) == MODE_FLOAT) \
+ ? NO_REGS \
+ : ((GET_CODE (X) == SYMBOL_REF || GET_CODE (X) == HIGH) \
+ && reg_class_subset_p (BASE_REGS, (CLASS))) \
+ ? BASE_REGS \
+ : (GET_MODE_CLASS (GET_MODE (X)) == MODE_INT \
+ && (CLASS) == NON_SPECIAL_REGS) \
+ ? GENERAL_REGS \
+ : (CLASS))
/* Fix for emit_group_load (): force large constants to be pushed via regs. */
#define ALWAYS_PUSH_CONSTS_USING_REGS_P 1