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| author | Richard Henderson <rth@redhat.com> | 2002-09-27 09:17:33 -0700 |
|---|---|---|
| committer | Richard Henderson <rth@gcc.gnu.org> | 2002-09-27 09:17:33 -0700 |
| commit | 23b8ba8182bafbb4ad3c4477b6a4063544165a47 (patch) | |
| tree | 15e869ffaddf800e940f7b8713046b12faaaa4c0 /gcc/emit-rtl.c | |
| parent | 0b0f416385667e0b43b3b82069b55f2d0da43e89 (diff) | |
| download | gcc-23b8ba8182bafbb4ad3c4477b6a4063544165a47.zip gcc-23b8ba8182bafbb4ad3c4477b6a4063544165a47.tar.gz gcc-23b8ba8182bafbb4ad3c4477b6a4063544165a47.tar.bz2 | |
* emit-rtl.c (active_insn_p): Revert last change.
From-SVN: r57590
Diffstat (limited to 'gcc/emit-rtl.c')
| -rw-r--r-- | gcc/emit-rtl.c | 33 |
1 files changed, 5 insertions, 28 deletions
diff --git a/gcc/emit-rtl.c b/gcc/emit-rtl.c index 3dd4799..889064f 100644 --- a/gcc/emit-rtl.c +++ b/gcc/emit-rtl.c @@ -3021,34 +3021,11 @@ int active_insn_p (insn) rtx insn; { - if (GET_CODE (insn) == CALL_INSN || GET_CODE (insn) == JUMP_INSN) - return true; - if (GET_CODE (insn) == INSN) - { - if (reload_completed) - { - rtx pat = PATTERN (insn); - - /* After reload, remaining USE insns are noops. */ - if (GET_CODE (pat) == USE) - return false; - - if (GET_CODE (pat) == CLOBBER) - { - /* ??? Don't skip past the clobber of the return register. - If we eliminate it, we risk a variety of life analysis - problems on broken code. */ - if (GET_CODE (XEXP (pat, 0)) == REG - && REG_FUNCTION_VALUE_P (XEXP (pat, 0))) - return true; - - /* Otherwise, clobbers don't do anything either. */ - return false; - } - } - return true; - } - return false; + return (GET_CODE (insn) == CALL_INSN || GET_CODE (insn) == JUMP_INSN + || (GET_CODE (insn) == INSN + && (! reload_completed + || (GET_CODE (PATTERN (insn)) != USE + && GET_CODE (PATTERN (insn)) != CLOBBER)))); } rtx |