From 4b8784dc6196a68be5fc99cfbee99a6af08a0414 Mon Sep 17 00:00:00 2001 From: amylaar Date: Fri, 13 May 2005 13:34:17 +0000 Subject: [PATCH] PR rtl-optimization/20756: * basic-block.h (PROP_DEAD_INSN): Define. * flow.c (propagate_one_insn): Set during mark_set_regs call for a dead insn. (mark_set_1): Emit a clobber when we are about to delete a dead insn that kills a live register. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@99657 138bc75d-0d04-0410-961f-82ee72b054a4 --- gcc/basic-block.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/gcc/basic-block.h b/gcc/basic-block.h index 4a71d25..5565053 100644 --- a/gcc/basic-block.h +++ b/gcc/basic-block.h @@ -806,6 +806,8 @@ enum update_life_extent #define PROP_SCAN_DEAD_STORES 128 /* Scan for dead code. */ #define PROP_ASM_SCAN 256 /* Internal flag used within flow.c to flag analysis of asms. */ +#define PROP_DEAD_INSN 1024 /* Internal flag used within flow.c + to flag analysis of dead insn. */ #define PROP_FINAL (PROP_DEATH_NOTES | PROP_LOG_LINKS \ | PROP_REG_INFO | PROP_KILL_DEAD_CODE \ | PROP_SCAN_DEAD_CODE | PROP_AUTOINC \ -- 2.7.4