From 101cb92aa6a16a51b5011cca84e2d2d1600cad4e Mon Sep 17 00:00:00 2001 From: Kazu Hirata Date: Thu, 20 Mar 2003 16:03:34 +0000 Subject: [PATCH] * config/h8300/h8300.md (a peephole2): New. From-SVN: r64614 --- gcc/ChangeLog | 4 ++++ gcc/config/h8300/h8300.md | 20 ++++++++++++++++++++ 2 files changed, 24 insertions(+) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 43217ac14043..0f58a3f87f44 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,7 @@ +2003-03-20 Kazu Hirata + + * config/h8300/h8300.md (a peephole2): New. + 2003-03-20 Kazu Hirata * config/h8300/h8300.md (*addsi3_and_r_1): New. diff --git a/gcc/config/h8300/h8300.md b/gcc/config/h8300/h8300.md index 785be85c8945..50db771cb153 100644 --- a/gcc/config/h8300/h8300.md +++ b/gcc/config/h8300/h8300.md @@ -3753,6 +3753,26 @@ "operands[2] = gen_lowpart (QImode, operands[0]); operands[3] = gen_lowpart (QImode, operands[1]);") +(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" "")) -- 2.47.3