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h8300.md (*extzv_8_8): Use '?' to simplify the pattern.

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* config/h8300/h8300.md (*extzv_8_8): Use '?' to simplify the
	pattern.

From-SVN: r63755
This commit is contained in:
Kazu Hirata 2003-03-04 01:14:51 +00:00 committed by Kazu Hirata
parent f5d70cc024
commit 0d9bf032e5
2 changed files with 12 additions and 12 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2003-03-03 Kazu Hirata <kazu@cs.umass.edu>
* config/h8300/h8300.md (*extzv_8_8): Use '?' to simplify the
pattern.
2003-03-03 Geoffrey Keating <geoffk@apple.com>
* doc/install.texi (Specific): Update entry for powerpc-darwin.

19
gcc/config/h8300/h8300.md
View File

@ -2625,21 +2625,16 @@
;; extzv:SI
(define_insn "*extzv_8_8"
[(set (match_operand:SI 0 "register_operand" "=r")
(zero_extract:SI (match_operand:SI 1 "register_operand" "r")
[(set (match_operand:SI 0 "register_operand" "=r,r")
(zero_extract:SI (match_operand:SI 1 "register_operand" "?0,r")
(const_int 8)
(const_int 8)))]
"TARGET_H8300H || TARGET_H8300S"
"*
{
if (REG_P (operands[0]) && REG_P (operands[1])
&& REGNO (operands[0]) != REGNO (operands[1]))
return \"sub.l\\t%S0,%S0\;mov.b\\t%x1,%w0\";
else
return \"mov.b\\t%x1,%w0\;extu.w\\t%f0\;extu.l\\t%S0\";
}"
[(set_attr "cc" "set_znv")
(set_attr "length" "6")])
"@
mov.b\\t%x1,%w0\;extu.w\\t%f0\;extu.l\\t%S0
sub.l\\t%S0,%S0\;mov.b\\t%x1,%w0"
[(set_attr "cc" "clobber,set_znv")
(set_attr "length" "4,6")])
(define_insn "*extzv_8_16"
[(set (match_operand:SI 0 "register_operand" "=r")