Date: Wed, 6 Apr 2005 21:12:49 GMT From: Olivier Houchard <cognet@FreeBSD.org> To: Perforce Change Reviews <perforce@freebsd.org> Subject: PERFORCE change 74614 for review Message-ID: <200504062112.j36LCngY082389@repoman.freebsd.org>
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http://perforce.freebsd.org/chv.cgi?CH=74614 Change 74614 by cognet@cognet on 2005/04/06 21:12:08 Attempt to get more love from gcc. I don't think this is the right fix, and I should poke gcc people about that, but it seems to make an arm -O/-O2 world usable. Approved by: mux (mentor) Affected files ... .. //depot/projects/arm/contrib-arm.diff#3 edit Differences ... ==== //depot/projects/arm/contrib-arm.diff#3 (text+ko) ==== @@ -13,6 +13,53 @@ + +unset STACK_ADDR +unset EMBEDDED +Index: contrib/gcc/config/arm/arm.md +=================================================================== +RCS file: /home/ncvs/src/contrib/gcc/config/arm/arm.md,v +retrieving revision 1.1.1.6 +diff -u -p -r1.1.1.6 arm.md +--- contrib/gcc/config/arm/arm.md 28 Jul 2004 03:11:35 -0000 1.1.1.6 ++++ contrib/gcc/config/arm/arm.md 6 Apr 2005 20:06:06 -0000 +@@ -8834,12 +8834,12 @@ + ldm[2] = operands[4]; + } + if (GET_CODE (XEXP (operands[2], 0)) != REG) +- val1 = INTVAL (XEXP (XEXP (operands[2], 0), 1)); ++ val1 = INTVAL (XEXP (XEXP (operands[2], 0), 1)); + if (GET_CODE (XEXP (operands[3], 0)) != REG) +- val2 = INTVAL (XEXP (XEXP (operands[3], 0), 1)); ++ val2 = INTVAL (XEXP (XEXP (operands[3], 0), 1)); + arith[0] = operands[0]; + arith[3] = operands[1]; +- if (val1 < val2) ++ if (val1 <= val2) + { + arith[1] = ldm[1]; + arith[2] = ldm[2]; +@@ -8869,7 +8869,7 @@ + else + output_asm_insn (\"ldm%?ia\\t%0, {%1, %2}\", ldm); + } +- else ++ else if (val2) + { + ldm[0] = XEXP (operands[2], 0); + if (val1 < val2) +@@ -8877,6 +8877,14 @@ + else + output_asm_insn (\"ldm%?da\\t%0, {%1, %2}\", ldm); + } ++ else { ++ ldm[0] = operands[0]; ++ ldm[1] = XEXP(operands[2], 0); ++ output_asm_insn(\"ldr\\t%0, [%1]\", ldm); ++ ldm[0] = operands[4]; ++ ldm[1] = XEXP(operands[3], 0); ++ output_asm_insn(\"ldr\\t%0, [%1]\", ldm); ++ } + output_asm_insn (\"%I3%?\\t%0, %1, %2\", arith); + return \"\"; + }" Index: contrib/gcc/config/arm/freebsd.h =================================================================== RCS file: /home/ncvs/src/contrib/gcc/config/arm/freebsd.h,v
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