From f94bdcb60d54fd2f812afa85d1334500bf4f6f50 Mon Sep 17 00:00:00 2001 From: Michael Meissner Date: Fri, 28 Oct 1994 14:54:58 +0000 Subject: [PATCH] Fix adddi3. From-SVN: r8352 --- gcc/config/i386/i386.md | 20 +++++++++++++------- 1 file changed, 13 insertions(+), 7 deletions(-) diff --git a/gcc/config/i386/i386.md b/gcc/config/i386/i386.md index 38467460ff4..89dca039416 100644 --- a/gcc/config/i386/i386.md +++ b/gcc/config/i386/i386.md @@ -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]; -- 2.30.2