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| author | Kazu Hirata <kazu@cs.umass.edu> | 2005-03-25 02:23:57 +0000 |
|---|---|---|
| committer | Kazu Hirata <kazu@gcc.gnu.org> | 2005-03-25 02:23:57 +0000 |
| commit | cba9e10abbeccd3d3b9839ab6df5e187077c5bcb (patch) | |
| tree | 346d0fa09cb3984cd375397dedd3f08f8e59a524 /gcc/emit-rtl.c | |
| parent | d3d9a67f7e1805ab7493498c4baf864c891d513f (diff) | |
| download | gcc-cba9e10abbeccd3d3b9839ab6df5e187077c5bcb.zip gcc-cba9e10abbeccd3d3b9839ab6df5e187077c5bcb.tar.gz gcc-cba9e10abbeccd3d3b9839ab6df5e187077c5bcb.tar.bz2 | |
emit-rtl.c (reverse_comparison): Remove.
* emit-rtl.c (reverse_comparison): Remove.
* rtl.h: Remove the corresponding prototype.
From-SVN: r97032
Diffstat (limited to 'gcc/emit-rtl.c')
| -rw-r--r-- | gcc/emit-rtl.c | 32 |
1 files changed, 0 insertions, 32 deletions
diff --git a/gcc/emit-rtl.c b/gcc/emit-rtl.c index 137f0b7..8d5cf3c 100644 --- a/gcc/emit-rtl.c +++ b/gcc/emit-rtl.c @@ -1360,38 +1360,6 @@ operand_subword_force (rtx op, unsigned int offset, enum machine_mode mode) return result; } -/* Given a compare instruction, swap the operands. - A test instruction is changed into a compare of 0 against the operand. */ - -void -reverse_comparison (rtx insn) -{ - rtx body = PATTERN (insn); - rtx comp; - - if (GET_CODE (body) == SET) - comp = SET_SRC (body); - else - comp = SET_SRC (XVECEXP (body, 0, 0)); - - if (GET_CODE (comp) == COMPARE) - { - rtx op0 = XEXP (comp, 0); - rtx op1 = XEXP (comp, 1); - XEXP (comp, 0) = op1; - XEXP (comp, 1) = op0; - } - else - { - rtx new = gen_rtx_COMPARE (VOIDmode, - CONST0_RTX (GET_MODE (comp)), comp); - if (GET_CODE (body) == SET) - SET_SRC (body) = new; - else - SET_SRC (XVECEXP (body, 0, 0)) = new; - } -} - /* Within a MEM_EXPR, we care about either (1) a component ref of a decl, or (2) a component ref of something variable. Represent the later with a NULL expression. */ |