OpenE2K
/
gcc
2
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

comment change. 

From-SVN: r4797
This commit is contained in:
Richard Stallman 1993-06-29 22:05:11 +00:00
parent 72cdb410fd
commit c070dcf733
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
gcc/combine.c
View File

@ -3997,7 +3997,7 @@ subst (x, from, to, in_dest, unique_copy)
means that we only care about the low bits of the result.
However, on most machines (those with neither BYTE_LOADS_ZERO_EXTEND
nor BYTES_LOADS_SIGN_EXTEND defined), we cannot perform a
nor BYTE_LOADS_SIGN_EXTEND defined), we cannot perform a
narrower operation that requested since the high-order bits will
be undefined. On machine where BYTE_LOADS_*_EXTEND is defined,
however, this transformation is safe as long as M1 and M2 have