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| author | mmitchel <mmitchel@138bc75d-0d04-0410-961f-82ee72b054a4> | 2001-03-19 18:53:04 +0000 |
|---|---|---|
| committer | mmitchel <mmitchel@138bc75d-0d04-0410-961f-82ee72b054a4> | 2001-03-19 18:53:04 +0000 |
| commit | 43dd9cb8ec82010d0b84417dd64ec0f444c4b14c (patch) | |
| tree | b54bc88743a41fe139d4d714ef19b50f51dcb79b /gcc/tree.def | |
| parent | 3189304f5512a6bbaaa97ac5ec7a3f58dcbec550 (diff) | |
| download | gcc-43dd9cb8ec82010d0b84417dd64ec0f444c4b14c.tar.gz | |
* cse.c (find_comparison_args): Update documentation. Fix
mishandling of COMPARE operations.
* tree.def (ABS_EXPR): Add documentation.
* fold-const.c (fold): Improve folding of ABS_EXPRs.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@40630 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/tree.def')
| -rw-r--r-- | gcc/tree.def | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/gcc/tree.def b/gcc/tree.def index 4ccd6e38944..399e05706a8 100644 --- a/gcc/tree.def +++ b/gcc/tree.def @@ -602,7 +602,13 @@ DEFTREECODE (NEGATE_EXPR, "negate_expr", '1', 1) DEFTREECODE (MIN_EXPR, "min_expr", '2', 2) DEFTREECODE (MAX_EXPR, "max_expr", '2', 2) + +/* Represents the absolute value of the operand. + + An ABS_EXPR must have either an INTEGER_TYPE or a REAL_TYPE. The + operand of the ABS_EXPR must have the same type. */ DEFTREECODE (ABS_EXPR, "abs_expr", '1', 1) + DEFTREECODE (FFS_EXPR, "ffs_expr", '1', 1) /* Shift operations for shift and rotate. |