From 5c102b484adc71da720b768b8f96386d23974a8f Mon Sep 17 00:00:00 2001 From: Kazu Hirata Date: Sat, 7 Sep 2002 20:21:43 +0000 Subject: h8300.md (udivmodqi4): Split the pattern into an expander and an anonymous pattern. * config/h8300/h8300.md (udivmodqi4): Split the pattern into an expander and an anonymous pattern. Zero out the upper half of the dividend in the expander. (udivmodqi4): Likewise. From-SVN: r56923 --- gcc/config/h8300/h8300.md | 40 ++++++++++++++++++++++++++++++++++++++-- 1 file changed, 38 insertions(+), 2 deletions(-) (limited to 'gcc/config/h8300') diff --git a/gcc/config/h8300/h8300.md b/gcc/config/h8300/h8300.md index 822367dc790..50d3e4f4249 100644 --- a/gcc/config/h8300/h8300.md +++ b/gcc/config/h8300/h8300.md @@ -911,7 +911,25 @@ ;; DIVIDE/MOD INSTRUCTIONS ;; ---------------------------------------------------------------------- -(define_insn "udivmodqi4" +(define_expand "udivmodqi4" + [(set (match_operand:HI 1 "register_operand" "") + (and:HI (match_dup 1) + (const_int 255))) + (parallel [(set (match_operand:QI 0 "register_operand" "") + (truncate:QI + (udiv:HI + (match_dup 1) + (zero_extend:HI + (match_operand:QI 2 "register_operand" ""))))) + (set (match_operand:QI 3 "register_operand" "") + (truncate:QI + (umod:HI + (match_dup 1) + (zero_extend:HI (match_dup 2)))))])] + "TARGET_H8300H || TARGET_H8300S" + "") + +(define_insn "" [(set (match_operand:QI 0 "register_operand" "=r") (truncate:QI (udiv:HI @@ -955,7 +973,25 @@ [(set_attr "length" "6") (set_attr "cc" "clobber")]) -(define_insn "udivmodhi4" +(define_expand "udivmodhi4" + [(set (match_operand:SI 1 "register_operand" "") + (and:SI (match_dup 1) + (const_int 65535))) + (parallel [(set (match_operand:HI 0 "register_operand" "") + (truncate:HI + (udiv:SI + (match_dup 1) + (zero_extend:SI + (match_operand:HI 2 "register_operand" ""))))) + (set (match_operand:HI 3 "register_operand" "") + (truncate:HI + (umod:SI + (match_dup 1) + (zero_extend:SI (match_dup 2)))))])] + "TARGET_H8300H || TARGET_H8300S" + "") + +(define_insn "" [(set (match_operand:HI 0 "register_operand" "=r") (truncate:HI (udiv:SI -- cgit v1.2.1