| commit | 1ea41dd216cd7ba401a9f80e930dcef673789153 | |
| author | davem <davem@138bc75d-0d04-0410-961f-82ee72b054a4> | |
| Mon, 6 Dec 1999 19:45:38 +0000 (6 19:45 +0000) | ||
| committer | davem <davem@138bc75d-0d04-0410-961f-82ee72b054a4> | |
| Mon, 6 Dec 1999 19:45:38 +0000 (6 19:45 +0000) | ||
| tree | 2a0c3098c4f80998e0552333248b50ec31e858c3 | treesnapshot (tar.gz zip) |
| parent | b2bbae42a803a9fe6f49eea41f8daa376f68e119 | commitdiff |
* combine.c (check_promoted_subreg, record_promoted_value): New
functions.
(combine_instructions): Use them to retain nonzero and sign bit
information after SUBREGs are eliminated by optimizations in
this pass if PROMOTE_FUNCTION_RETURN.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@30808 138bc75d-0d04-0410-961f-82ee72b054a4
functions.
(combine_instructions): Use them to retain nonzero and sign bit
information after SUBREGs are eliminated by optimizations in
this pass if PROMOTE_FUNCTION_RETURN.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@30808 138bc75d-0d04-0410-961f-82ee72b054a4
| gcc/ChangeLog | diffblobblamehistory | |
| gcc/combine.c | diffblobblamehistory |