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| author | kazu <kazu@138bc75d-0d04-0410-961f-82ee72b054a4> | 2004-02-29 18:44:18 +0000 |
|---|---|---|
| committer | kazu <kazu@138bc75d-0d04-0410-961f-82ee72b054a4> | 2004-02-29 18:44:18 +0000 |
| commit | 9bf7efa355a44c445a34682f13dfcfb2c3772e13 (patch) | |
| tree | 0c0faad691be9450a9413f6155969ecc306f54df /gcc/config/h8300/h8300.md | |
| parent | f889e5e2a990da0679ac48fe1fb37217c39ead6b (diff) | |
| download | gcc-9bf7efa355a44c445a34682f13dfcfb2c3772e13.tar.gz | |
* config/h8300/h8300.md: Tweak comments about peephole2's.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@78657 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/config/h8300/h8300.md')
| -rw-r--r-- | gcc/config/h8300/h8300.md | 30 |
1 files changed, 19 insertions, 11 deletions
diff --git a/gcc/config/h8300/h8300.md b/gcc/config/h8300/h8300.md index 25462cfc1bd..ca71dd69f94 100644 --- a/gcc/config/h8300/h8300.md +++ b/gcc/config/h8300/h8300.md @@ -4176,12 +4176,12 @@ ;; Transform ;; ;; cmp.w #1,r0 -;; bhi .L1 +;; bgt .L1 ;; ;; into ;; ;; shar.w r0 -;; bne .L1 +;; bgt .L1 (define_peephole2 [(set (cc0) @@ -4223,12 +4223,12 @@ ;; Transform ;; ;; cmp.w #255,r0 -;; bhi .L1 +;; bgt .L1 ;; ;; into ;; ;; mov.b r0h,r0h -;; bne .L1 +;; bgt .L1 (define_peephole2 [(set (cc0) @@ -4448,13 +4448,13 @@ ;; Transform ;; ;; cmp.l #1,er0 -;; bhi .L1 +;; bgt .L1 ;; ;; into ;; ;; mov.l er0,er1 ;; shar.l er1 -;; bne .L1 +;; bgt .L1 ;; We avoid this transformation if we see more than one copy of the ;; same compare insn immediately before this one. @@ -4503,12 +4503,12 @@ ;; Transform ;; ;; cmp.l #1,er0 -;; bhi .L1 +;; bgt .L1 ;; ;; into ;; ;; shar.l er0 -;; bne .L1 +;; bgt .L1 (define_peephole2 [(set (cc0) @@ -4550,13 +4550,13 @@ ;; Transform ;; ;; cmp.l #15,er0 -;; bhi .L1 +;; bgt .L1 ;; ;; into ;; ;; and #240,r0l ;; mov.l er0,er0 -;; bne .L1 +;; bgt .L1 (define_peephole2 [(set (cc0) @@ -4599,7 +4599,15 @@ } operands[5] = GEN_INT (~INTVAL (operands[1]));") -;; Transform A <= 65535 to (A & 0xffff0000) == 0. +;; Transform +;; +;; cmp.l #65535,er0 +;; bgt .L1 +;; +;; into +;; +;; mov.l e0,e0 +;; bgt .L1 (define_peephole2 [(set (cc0) |