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mn10300.md (movhi): Simplify. 

* config/mn10300/mn10300.md (movhi): Simplify.  Prefer data
registers.

From-SVN: r33489
This commit is contained in:
Alexandre Oliva 2000-04-27 15:49:20 +00:00 committed by Alexandre Oliva
parent 1b513b7711
commit b340d2b8de
2 changed files with 19 additions and 24 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
Thu Apr 27 12:47:00 2000 Alexandre Oliva <aoliva@cygnus.com>
* config/mn10300/mn10300.md (movhi): Simplify. Prefer data
registers.
Thu Apr 27 17:33:05 MET DST 2000 Jan Hubicka <jh@suse.cz> Thu Apr 27 17:33:05 MET DST 2000 Jan Hubicka <jh@suse.cz>
* function.c (epilogue_done): Pass whole insn to record_insns. * function.c (epilogue_done): Pass whole insn to record_insns.

38
gcc/config/mn10300/mn10300.md
View File

@ -146,8 +146,8 @@
}") }")
(define_insn "" (define_insn ""
[(set (match_operand:HI 0 "general_operand" "=dx,a,dx,a,dx,a,dx,a,dxa,m") [(set (match_operand:HI 0 "general_operand" "=d*x*a,d*x,d*x*a,d*x*a,m")
(match_operand:HI 1 "general_operand" "0,0,I,I,a,dx,dxi,ia,m,dxa"))] (match_operand:HI 1 "general_operand" "0,I,d*x*ai,m,d*x*a"))]
"TARGET_AM33 "TARGET_AM33
&& (register_operand (operands[0], HImode) && (register_operand (operands[0], HImode)
|| register_operand (operands[1], HImode))" || register_operand (operands[1], HImode))"
@ -156,15 +156,10 @@
switch (which_alternative) switch (which_alternative)
{ {
case 0: case 0:
case 1:
return \"nop\"; return \"nop\";
case 2: case 1:
return \"clr %0\"; return \"clr %0\";
case 3: case 2:
case 4:
case 5:
case 6:
case 7:
if (GET_CODE (operands[1]) == CONST_DOUBLE) if (GET_CODE (operands[1]) == CONST_DOUBLE)
{ {
rtx xoperands[2]; rtx xoperands[2];
@ -184,18 +179,18 @@
return \"movu %1,%0\"; return \"movu %1,%0\";
} }
return \"mov %1,%0\"; return \"mov %1,%0\";
case 8: case 3:
case 9: case 4:
return \"movhu %1,%0\"; return \"movhu %1,%0\";
default: default:
abort (); abort ();
} }
}" }"
[(set_attr "cc" "none,none,clobber,none_0hit,none_0hit,none_0hit,none_0hit,none_0hit,none_0hit,none_0hit")]) [(set_attr "cc" "none,clobber,none_0hit,none_0hit,none_0hit")])
(define_insn "" (define_insn ""
[(set (match_operand:HI 0 "general_operand" "=dx,*a,dx,*a,dx,*a,dx,*a,dx,m") [(set (match_operand:HI 0 "general_operand" "=d*a,d,d*a,d,m")
(match_operand:HI 1 "general_operand" "0,0,I,I,a,dx,dxi,ia,m,dx"))] (match_operand:HI 1 "general_operand" "0,I,dai,m,d"))]
"register_operand (operands[0], HImode) "register_operand (operands[0], HImode)
|| register_operand (operands[1], HImode)" || register_operand (operands[1], HImode)"
"* "*
@ -203,15 +198,10 @@
switch (which_alternative) switch (which_alternative)
{ {
case 0: case 0:
case 1:
return \"nop\"; return \"nop\";
case 2: case 1:
return \"clr %0\"; return \"clr %0\";
case 3: case 2:
case 4:
case 5:
case 6:
case 7:
if (GET_CODE (operands[1]) == CONST_DOUBLE) if (GET_CODE (operands[1]) == CONST_DOUBLE)
{ {
rtx xoperands[2]; rtx xoperands[2];
@ -221,14 +211,14 @@
return \"\"; return \"\";
} }
return \"mov %1,%0\"; return \"mov %1,%0\";
case 8: case 3:
case 9: case 4:
return \"movhu %1,%0\"; return \"movhu %1,%0\";
default: default:
abort (); abort ();
} }
}" }"
[(set_attr "cc" "none,none,clobber,none_0hit,none_0hit,none_0hit,none_0hit,none_0hit,none_0hit,none_0hit")]) [(set_attr "cc" "none,clobber,none_0hit,none_0hit,none_0hit")])
;; movsi and helpers ;; movsi and helpers