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authoramodra <amodra@138bc75d-0d04-0410-961f-82ee72b054a4>2003-12-06 12:22:31 +0000
committeramodra <amodra@138bc75d-0d04-0410-961f-82ee72b054a4>2003-12-06 12:22:31 +0000
commit706382f7a1477154e2d1e4a0a61ffff2c20dcd58 (patch)
tree806d63a055d1e8b44cd4e930d2d4c903a4cfaee2 /gcc/basic-block.h
parenta0ecb4a2815864fc3773d6d62b6379b88e59f7f8 (diff)
downloadgcc-706382f7a1477154e2d1e4a0a61ffff2c20dcd58.tar.gz
PR 13169
* basic-block.h (PROP_ASM_SCAN): Define. * final.c (regs_asm_clobbered): New array. * regs.h (regs_asm_clobbered): Declare. * flow.c (life_analysis): Init it. (mark_set_regs): Set PROP_ASM_SCAN for asms. (mark_set_1): Set regs_asm_clobbered. * global.c (global_alloc): Don't set eliminable_regset when regs_asm_clobbered. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@74363 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/basic-block.h')
-rw-r--r--gcc/basic-block.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/gcc/basic-block.h b/gcc/basic-block.h
index 221b2466985..365711a541d 100644
--- a/gcc/basic-block.h
+++ b/gcc/basic-block.h
@@ -477,6 +477,8 @@ enum update_life_extent
#define PROP_AUTOINC 64 /* Create autoinc mem references. */
#define PROP_EQUAL_NOTES 128 /* Take into account REG_EQUAL notes. */
#define PROP_SCAN_DEAD_STORES 256 /* Scan for dead code. */
+#define PROP_ASM_SCAN 512 /* Internal flag used within flow.c
+ to flag analysis of asms. */
#define PROP_FINAL (PROP_DEATH_NOTES | PROP_LOG_LINKS \
| PROP_REG_INFO | PROP_KILL_DEAD_CODE \
| PROP_SCAN_DEAD_CODE | PROP_AUTOINC \