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Fix adddi3.

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From-SVN: r8352
This commit is contained in:
Michael Meissner 1994-10-28 14:54:58 +00:00
parent 46a70e454b
commit f94bdcb60d
1 changed files with 13 additions and 7 deletions
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20
gcc/config/i386/i386.md
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@ -2343,19 +2343,25 @@
;;- add instructions
(define_insn "adddi3"
[(set (match_operand:DI 0 "general_operand" "=&r,ro,o,&r,o,o,o")
(plus:DI (match_operand:DI 1 "general_operand" "%0,0,0,or,riF,riF,o")
(match_operand:DI 2 "general_operand" "o,riF,o,oriF,riF,o,o")))
(clobber (match_scratch:SI 3 "=X,X,&r,X,X,&r,&r"))]
[(set (match_operand:DI 0 "general_operand" "=&r,ro,o,&r,ro,o,&r,o,o,o")
(plus:DI (match_operand:DI 1 "general_operand" "%0,0,0,o,riF,o,or,riF,riF,o")
(match_operand:DI 2 "general_operand" "o,riF,o,0,0,0,oriF,riF,o,o")))
(clobber (match_scratch:SI 3 "=X,X,&r,X,X,&r,X,X,&r,&r"))]
""
"*
{
rtx low[3], high[3], xops[7];
rtx low[3], high[3], xops[7], temp;
CC_STATUS_INIT;
split_di (operands, 3, low, high);
if (rtx_equal_p (operands[0], operands[2]))
{
temp = operands[1];
operands[1] = operands[2];
operands[2] = temp;
}
split_di (operands, 3, low, high);
if (!rtx_equal_p (operands[0], operands[1]))
{
xops[0] = high[0];
@ -2383,7 +2389,7 @@
}
}
if (GET_CODE (operands[3]) == REG)
if (GET_CODE (operands[3]) == REG && GET_CODE (operands[2]) != REG)
{
xops[0] = high[0];
xops[1] = low[0];