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h8300.md: Remove an unnecessary sign_extend expander that is used when not optimizing. 

2000-10-18  Kazu Hirata  <kazu@hxi.com>

	* config/h8300/h8300.md: Remove an unnecessary sign_extend
	expander that is used when not optimizing.  Output a tab after
	each assembly insns.

From-SVN: r36925
This commit is contained in:
Kazu Hirata 2000-10-18 04:32:48 +00:00 committed by Kazu Hirata
parent 15edc0cb96
commit b054460b55
2 changed files with 11 additions and 23 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2000-10-18 Kazu Hirata <kazu@hxi.com>
* config/h8300/h8300.md: Remove an unnecessary sign_extend
expander that is used when not optimizing. Output a tab after
each assembly insns.
2000-10-17 Joern Rennecke <amylaar@redhat.co.uk>
* reload1.c (move2add_note_store): Check for simple

28
gcc/config/h8300/h8300.md
View File

@ -623,7 +623,7 @@
subs %G2,%A0
add.b %s2,%s0\;addx %t2,%t0
add.w %T2,%T0
mov.w %T1,%T0\;add.w %T2,%T0"
mov.w %T1,%T0\;add.w %T2,%T0"
[(set_attr "length" "2,2,4,2,6")
(set_attr "cc" "none_0hit,none_0hit,clobber,set_zn,set_zn")])
@ -980,7 +980,7 @@
return \"\";
}
if (TARGET_H8300H || TARGET_H8300S)
return \"and.w %T2,%T0\";
return \"and.w %T2,%T0\";
return \"and %s2,%s0\;and %t2,%t0;\";
}"
[(set_attr "length" "4")
@ -1625,8 +1625,8 @@
(zero_extend:SI (match_operand:QI 1 "general_operand_src" "0,g>")))]
"TARGET_H8300"
"@
mov.b #0,%x0\;sub.w %e0,%e0
mov.b %R1,%w0\;mov.b #0,%x0\;sub.w %e0,%e0"
mov.b #0,%x0\;sub.w %e0,%e0
mov.b %R1,%w0\;mov.b #0,%x0\;sub.w %e0,%e0"
[(set_attr "length" "4,6")
(set_attr "cc" "clobber,clobber")])
@ -1688,7 +1688,7 @@
"TARGET_H8300"
"@
bld #7,%w0\;subx %x0,%x0\;subx %y0,%y0\;subx %z0,%z0
mov.b %R1,%w0\;bld #7,%w0\;subx %x0,%x0\;subx %y0,%y0\;subx %z0,%z0"
mov.b %R1,%w0\;bld #7,%w0\;subx %x0,%x0\;subx %y0,%y0\;subx %z0,%z0"
[(set_attr "length" "8,10")
(set_attr "cc" "clobber,clobber")])
@ -1696,24 +1696,6 @@
[(set (match_operand:SI 0 "register_operand" "")
(sign_extend:SI (match_operand:HI 1 "register_operand" "")))]
""
"
{
if (TARGET_H8300
&& GET_CODE (operands[1]) != CONST_INT
&& !optimize)
{
emit_insn (gen_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 "extendhisi2_h8300"
[(set (reg:HI 1) (match_operand:HI 1 "general_operand" ""))
(set (reg:SI 0) (sign_extend:SI (reg:HI 1)))
(set (match_operand:SI 0 "general_operand" "") (reg:SI 0))]
"TARGET_H8300"
"")
(define_insn ""