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| author | Andreas Krebbel <krebbel1@de.ibm.com> | 2005-11-09 11:34:56 +0000 |
|---|---|---|
| committer | Andreas Krebbel <krebbel@gcc.gnu.org> | 2005-11-09 11:34:56 +0000 |
| commit | 7221b4a18ceb8d291f2d6f5f0d9f2b1bfccc058e (patch) | |
| tree | 071d7820ff54f18fc2f96b4ce41a36a2ba6ebccc /gcc | |
| parent | f98ae2abfb923abe02c882b36c1952b29f9bb4b3 (diff) | |
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flow.c (mark_set_1): Handle CLOBBERs like SETs if the register is live afterwards.
2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
* flow.c (mark_set_1): Handle CLOBBERs like SETs if the register
is live afterwards.
From-SVN: r106686
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/flow.c | 2 |
2 files changed, 6 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 1b5992b..eddcaa9 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com> + + * flow.c (mark_set_1): Handle CLOBBERs like SETs if the register + is live afterwards. + 2005-11-08 Bernd Schmidt <bernd.schmidt@analog.com> * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DEFAULTS, @@ -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; |