From 4667519cca8f7b7aa1a4cef6e740725ad110b7bf Mon Sep 17 00:00:00 2001 From: krebbel Date: Wed, 9 Nov 2005 11:34:56 +0000 Subject: [PATCH] 2005-11-09 Andreas Krebbel * flow.c (mark_set_1): Handle CLOBBERs like SETs if the register is live afterwards. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@106686 138bc75d-0d04-0410-961f-82ee72b054a4 --- gcc/ChangeLog | 5 +++++ gcc/flow.c | 2 +- 2 files changed, 6 insertions(+), 1 deletion(-) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 1b5992b419e..eddcaa9ab37 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2005-11-09 Andreas Krebbel + + * flow.c (mark_set_1): Handle CLOBBERs like SETs if the register + is live afterwards. + 2005-11-08 Bernd Schmidt * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DEFAULTS, diff --git a/gcc/flow.c b/gcc/flow.c index 1fc88b64f1f..bdb40323b02 100644 --- a/gcc/flow.c +++ b/gcc/flow.c @@ -2816,7 +2816,7 @@ mark_set_1 (struct propagate_block_info *pbi, enum rtx_code code, rtx reg, rtx c else SET_REGNO_REG_SET (pbi->local_set, i); } - if (code != CLOBBER) + if (code != CLOBBER || needed_regno) SET_REGNO_REG_SET (pbi->new_set, i); some_was_live |= needed_regno; -- 2.11.0