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| author | Paolo Bonzini <bonzini@gnu.org> | 2009-04-08 15:18:49 +0000 |
|---|---|---|
| committer | Paolo Bonzini <bonzini@gcc.gnu.org> | 2009-04-08 15:18:49 +0000 |
| commit | c6963675ebad4a3396521df8e49d558a04cf12b3 (patch) | |
| tree | c22913f141a234b21391cc1fee6f3ed3aa5a1a7e /gcc/recog.c | |
| parent | 6d07ad98760362cd9615c673cf8302908ce60980 (diff) | |
| download | gcc-c6963675ebad4a3396521df8e49d558a04cf12b3.zip gcc-c6963675ebad4a3396521df8e49d558a04cf12b3.tar.gz gcc-c6963675ebad4a3396521df8e49d558a04cf12b3.tar.bz2 | |
recog.c (ordered_comparison_operator): New.
2009-04-08 Paolo Bonzini <bonzini@gnu.org>
* recog.c (ordered_comparison_operator): New.
* gensupport.c (std_preds): Add it.
* doc/md.texi (Machine-Independent Predicates): Document it.
From-SVN: r145748
Diffstat (limited to 'gcc/recog.c')
| -rw-r--r-- | gcc/recog.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/gcc/recog.c b/gcc/recog.c index 70370e3..95f6e9a 100644 --- a/gcc/recog.c +++ b/gcc/recog.c @@ -1319,6 +1319,32 @@ indirect_operand (rtx op, enum machine_mode mode) && general_operand (XEXP (op, 0), Pmode)); } +/* Return 1 if this is an ordered comparison operator (not including + ORDERED and UNORDERED). */ + +int +ordered_comparison_operator (rtx op, enum machine_mode mode) +{ + if (mode != VOIDmode && GET_MODE (op) != mode) + return false; + switch (GET_CODE (op)) + { + case EQ: + case NE: + case LT: + case LTU: + case LE: + case LEU: + case GT: + case GTU: + case GE: + case GEU: + return true; + default: + return false; + } +} + /* Return 1 if this is a comparison operator. This allows the use of MATCH_OPERATOR to recognize all the branch insns. */ |