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mn10300.md (movqi, movhi): Split i->d*a case into two cases to avoid the possibility of getting...

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* mn10300.md (movqi, movhi): Split i->d*a case into two cases to
	avoid the possibility of getting DATA_OR_ADDRESS_REGS as the
	preferred class when copying a constant into a partial word register.

From-SVN: r139600
This commit is contained in:
Jeff Law 2008-08-26 10:12:20 -06:00 committed by Jeff Law
parent 3f4d9b9881
commit 5d2b84f840
2 changed files with 20 additions and 10 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2008-08-26 Jeff Law <law@redhat.com>
* mn10300.md (movqi, movhi): Split i->d*a case into two cases to
avoid the possibility of getting DATA_OR_ADDRESS_REGS as the
preferred class when copying a constant into a partial word register.
2008-08-26 Ben Elliston <bje@au.ibm.com>
* rtlanal.c: Fix uses of "it's" with "its" where appropriate.

24
gcc/config/mn10300/mn10300.md
View File

@ -115,8 +115,8 @@
[(set_attr "cc" "none,clobber,none_0hit,none_0hit,none_0hit,none_0hit,none_0hit")])
(define_insn ""
[(set (match_operand:QI 0 "nonimmediate_operand" "=d*a,d,d*a,d,m")
(match_operand:QI 1 "general_operand" "0,I,dai,m,d"))]
[(set (match_operand:QI 0 "nonimmediate_operand" "=d*a,d,d,!*a,d*a,d,m")
(match_operand:QI 1 "general_operand" "0,I,i,i,da,m,d"))]
"register_operand (operands[0], QImode)
|| register_operand (operands[1], QImode)"
"*
@ -128,6 +128,8 @@
case 1:
return \"clr %0\";
case 2:
case 3:
case 4:
if (GET_CODE (operands[1]) == CONST_DOUBLE)
{
rtx xoperands[2];
@ -138,14 +140,14 @@
}
return \"mov %1,%0\";
case 3:
case 4:
case 5:
case 6:
return \"movbu %1,%0\";
default:
gcc_unreachable ();
}
}"
[(set_attr "cc" "none,clobber,none_0hit,none_0hit,none_0hit")])
[(set_attr "cc" "none,clobber,none_0hit,none_0hit,none_0hit,none_0hit,none_0hit")])
;; movhi
@ -208,8 +210,8 @@
[(set_attr "cc" "none,clobber,none_0hit,none_0hit,none_0hit,none_0hit,none_0hit")])
(define_insn ""
[(set (match_operand:HI 0 "nonimmediate_operand" "=d*a,d,d*a,d,m")
(match_operand:HI 1 "general_operand" "0,I,dai,m,d"))]
[(set (match_operand:HI 0 "nonimmediate_operand" "=d*a,d,d,!*a,d*a,d,m")
(match_operand:HI 1 "general_operand" "0,I,i,i,da,m,d"))]
"register_operand (operands[0], HImode)
|| register_operand (operands[1], HImode)"
"*
@ -221,6 +223,8 @@
case 1:
return \"clr %0\";
case 2:
case 3:
case 4:
if (GET_CODE (operands[1]) == CONST_DOUBLE)
{
rtx xoperands[2];
@ -230,14 +234,14 @@
return \"\";
}
return \"mov %1,%0\";
case 3:
case 4:
case 5:
case 6:
return \"movhu %1,%0\";
default:
gcc_unreachable ();
}
}"
[(set_attr "cc" "none,clobber,none_0hit,none_0hit,none_0hit")])
[(set_attr "cc" "none,clobber,none_0hit,none_0hit,none_0hit,none_0hit,none_0hit")])
;; movsi and helpers