Add some optimizations for TRUNCATE and ZERO_EXTEND
commit0a3894c2e7ddb130493c0709b82535b42a5806f0
authorian <ian@138bc75d-0d04-0410-961f-82ee72b054a4>
Tue, 29 Oct 1996 00:01:53 +0000 (29 00:01 +0000)
committerian <ian@138bc75d-0d04-0410-961f-82ee72b054a4>
Tue, 29 Oct 1996 00:01:53 +0000 (29 00:01 +0000)
tree1ed7714bea75fe3fc71c5b94771ebeac2a84519f
parentcb4f74c6d75b9229d160e1978aab8308e21f8e58
Add some optimizations for TRUNCATE and ZERO_EXTEND

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@13058 138bc75d-0d04-0410-961f-82ee72b054a4
gcc/combine.c