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authorKazu Hirata <kazu@hxi.com>2000-10-17 20:17:35 +0000
committerKazu Hirata <kazu@gcc.gnu.org>2000-10-17 20:17:35 +0000
commit07e0fe3dae72cd27b073ea0fe857826b5e14475b (patch)
tree1373271cb2ac409f36ade3a5ef9fdff58f854b7b /gcc
parent10501d8f2f0419000b8c7b6852640d416385dd8c (diff)
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h8300.md: Remove an unnecessary zero_extend expander that is used when not optimizing.
2000-10-17 Kazu Hirata <kazu@hxi.com> * config/h8300/h8300.md: Remove an unnecessary zero_extend expander that is used when not optimizing. Output a tab after each assembly insns. From-SVN: r36911
Diffstat (limited to 'gcc')
-rw-r--r--gcc/ChangeLog6
-rw-r--r--gcc/config/h8300/h8300.md22
2 files changed, 8 insertions, 20 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 0002f07..f542b85 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2000-10-17 Kazu Hirata <kazu@hxi.com>
+
+ * config/h8300/h8300.md: Remove an unnecessary zero_extend
+ expander that is used when not optimizing. Output a tab after
+ each assembly insns.
+
2000-10-17 Chandrakala Chavva <cchavva@redhat.com>
* gcc.c: New options --target-help.
diff --git a/gcc/config/h8300/h8300.md b/gcc/config/h8300/h8300.md
index 9ade006..b7d1461 100644
--- a/gcc/config/h8300/h8300.md
+++ b/gcc/config/h8300/h8300.md
@@ -1634,24 +1634,6 @@
[(set (match_operand:SI 0 "register_operand" "")
(zero_extend:SI (match_operand:HI 1 "register_operand" "")))]
""
- "
-{
- if (TARGET_H8300
- && GET_CODE (operands[1]) != CONST_INT
- && !optimize)
- {
- emit_insn (gen_zero_extendhisi2_h8300 (operands[0], operands[1]));
- DONE;
- }
-}")
-
-;; This is used when not optimizing. It avoids severe code explosion
-;; due to poor register allocation.
-(define_expand "zero_extendhisi2_h8300"
- [(set (reg:HI 1) (match_operand:HI 1 "general_operand" ""))
- (set (reg:SI 0) (zero_extend:SI (reg:HI 1)))
- (set (match_operand:SI 0 "general_operand" "") (reg:SI 0))]
- "TARGET_H8300"
"")
;; %e prints the high part of a CONST_INT, not the low part. Arggh.
@@ -1661,8 +1643,8 @@
"TARGET_H8300"
"@
sub.w %e0,%e0
- mov.w %f1,%f0\;sub.w %e0,%e0
- mov.w %e1,%f0\;sub.w %e0,%e0"
+ mov.w %f1,%f0\;sub.w %e0,%e0
+ mov.w %e1,%f0\;sub.w %e0,%e0"
[(set_attr "length" "2,4,4")
(set_attr "cc" "clobber,clobber,clobber")])