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| author | Paolo Bonzini <bonzini@gnu.org> | 2009-05-12 09:43:48 +0000 |
|---|---|---|
| committer | Paolo Bonzini <bonzini@gcc.gnu.org> | 2009-05-12 09:43:48 +0000 |
| commit | f90b7a5a7913cc7239cce42f6ca328b9a741b387 (patch) | |
| tree | 06c940a96a184a178bfadd53e04213225655a68d /gcc/simplify-rtx.c | |
| parent | b7a0af68063c79655c561750e9863799bf846cae (diff) | |
| download | gcc-f90b7a5a7913cc7239cce42f6ca328b9a741b387.zip gcc-f90b7a5a7913cc7239cce42f6ca328b9a741b387.tar.gz gcc-f90b7a5a7913cc7239cce42f6ca328b9a741b387.tar.bz2 | |
Merge cond-optab branch.
From-SVN: r147425
Diffstat (limited to 'gcc/simplify-rtx.c')
| -rw-r--r-- | gcc/simplify-rtx.c | 16 |
1 files changed, 2 insertions, 14 deletions
diff --git a/gcc/simplify-rtx.c b/gcc/simplify-rtx.c index e2b1673..667b5b5 100644 --- a/gcc/simplify-rtx.c +++ b/gcc/simplify-rtx.c @@ -1739,18 +1739,6 @@ simplify_binary_operation_1 (enum rtx_code code, enum machine_mode mode, break; case COMPARE: -#ifdef HAVE_cc0 - /* Convert (compare FOO (const_int 0)) to FOO unless we aren't - using cc0, in which case we want to leave it as a COMPARE - so we can distinguish it from a register-register-copy. - - In IEEE floating point, x-0 is not the same as x. */ - if (!(HONOR_SIGNED_ZEROS (mode) - && HONOR_SIGN_DEPENDENT_ROUNDING (mode)) - && trueop1 == CONST0_RTX (mode)) - return op0; -#endif - /* Convert (compare (gt (flags) 0) (lt (flags) 0)) to (flags). */ if (((GET_CODE (op0) == GT && GET_CODE (op1) == LT) || (GET_CODE (op0) == GTU && GET_CODE (op1) == LTU)) @@ -3815,8 +3803,8 @@ simplify_relational_operation (enum rtx_code code, enum machine_mode mode, /* If op0 is a compare, extract the comparison arguments from it. */ if (GET_CODE (op0) == COMPARE && op1 == const0_rtx) - return simplify_relational_operation (code, mode, VOIDmode, - XEXP (op0, 0), XEXP (op0, 1)); + return simplify_gen_relational (code, mode, VOIDmode, + XEXP (op0, 0), XEXP (op0, 1)); if (GET_MODE_CLASS (cmp_mode) == MODE_CC || CC0_P (op0)) |