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authorKazu Hirata <kazu@cs.umass.edu>2003-03-20 16:03:34 +0000
committerKazu Hirata <kazu@gcc.gnu.org>2003-03-20 16:03:34 +0000
commit101cb92aa6a16a51b5011cca84e2d2d1600cad4e (patch)
tree493a227778983dc6b1b8773fd0435cf09bfe50ad /gcc
parent54c99af1553e4093dd007c19eff81a7ae55297b3 (diff)
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* config/h8300/h8300.md (a peephole2): New.
From-SVN: r64614
Diffstat (limited to 'gcc')
-rw-r--r--gcc/ChangeLog4
-rw-r--r--gcc/config/h8300/h8300.md20
2 files changed, 24 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 43217ac..0f58a3f 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,5 +1,9 @@
2003-03-20 Kazu Hirata <kazu@cs.umass.edu>
+ * config/h8300/h8300.md (a peephole2): New.
+
+2003-03-20 Kazu Hirata <kazu@cs.umass.edu>
+
* config/h8300/h8300.md (*addsi3_and_r_1): New.
(*addsi3_and_not_r_1): Likewise.
diff --git a/gcc/config/h8300/h8300.md b/gcc/config/h8300/h8300.md
index 785be85..50db771 100644
--- a/gcc/config/h8300/h8300.md
+++ b/gcc/config/h8300/h8300.md
@@ -3755,6 +3755,26 @@
(define_peephole2
[(set (match_operand:SI 0 "register_operand" "")
+ (match_operand:SI 1 "general_operand" ""))
+ (set (match_dup 0)
+ (and:SI (match_dup 0)
+ (match_operand:SI 2 "const_int_qi_operand" "")))]
+ "(TARGET_H8300H || TARGET_H8300S)
+ && !reg_overlap_mentioned_p (operands[0], operands[1])
+ && !(GET_CODE (operands[1]) == MEM && MEM_VOLATILE_P (operands[1]))"
+ [(set (match_dup 0)
+ (const_int 0))
+ (set (strict_low_part (match_dup 3))
+ (match_dup 4))
+ (set (match_dup 0)
+ (and:SI (match_dup 0)
+ (match_dup 5)))]
+ "operands[3] = gen_lowpart (QImode, operands[0]);
+ operands[4] = gen_lowpart (QImode, operands[1]);
+ operands[5] = GEN_INT (~0xff | INTVAL (operands[2]));")
+
+(define_peephole2
+ [(set (match_operand:SI 0 "register_operand" "")
(match_operand:SI 1 "memory_operand" ""))
(set (match_dup 0)
(and:SI (match_dup 0)