diff options
| author | Jeffrey A Law <law@cygnus.com> | 1997-11-17 06:51:20 +0000 |
|---|---|---|
| committer | Jeff Law <law@gcc.gnu.org> | 1997-11-16 23:51:20 -0700 |
| commit | 85c3ba60dd713e3efc0f7d65fe25e2ebf4771d86 (patch) | |
| tree | b2516bccecfbdb5b90356e29277bd7d5d207dde6 | |
| parent | 9155d500fb80973d5c88f52d4b89fb4fdbe7ede2 (diff) | |
| download | gcc-85c3ba60dd713e3efc0f7d65fe25e2ebf4771d86.zip gcc-85c3ba60dd713e3efc0f7d65fe25e2ebf4771d86.tar.gz gcc-85c3ba60dd713e3efc0f7d65fe25e2ebf4771d86.tar.bz2 | |
cse.c (cse_insn): Don't look at JUMP_LABEL field of a conditionl return.
* cse.c (cse_insn): Don't look at JUMP_LABEL field of a conditionl
return.
(cse_end_of_basic_block): Similarly.
From-SVN: r16534
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/cse.c | 4 |
2 files changed, 9 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index c99a44d..ab3fad6 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +Sun Nov 16 23:52:48 1997 Jeffrey A Law (law@cygnus.com) + + * cse.c (cse_insn): Don't look at JUMP_LABEL field of a conditionl + return. + (cse_end_of_basic_block): Similarly. + Sun Nov 16 23:01:40 1997 J. Kean Johnston <jkj@sco.com> * i386/sco5.h (ASM_OUTPUT_ALIGNED_BSS): Define. @@ -7062,7 +7062,8 @@ cse_insn (insn, in_libcall_block) NOTE_SOURCE_FILE (insn) = 0; cse_jumps_altered = 1; /* One less use of the label this insn used to jump to. */ - --LABEL_NUSES (JUMP_LABEL (insn)); + if (JUMP_LABEL (insn) != 0) + --LABEL_NUSES (JUMP_LABEL (insn)); /* No more processing for this set. */ sets[i].rtl = 0; } @@ -8095,6 +8096,7 @@ cse_end_of_basic_block (insn, data, follow_jumps, after_loop, skip_blocks) && GET_CODE (p) == JUMP_INSN && GET_CODE (PATTERN (p)) == SET && GET_CODE (SET_SRC (PATTERN (p))) == IF_THEN_ELSE + && JUMP_LABEL (p) != 0 && LABEL_NUSES (JUMP_LABEL (p)) == 1 && NEXT_INSN (JUMP_LABEL (p)) != 0) { |