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author | Paul Brook <paul@codesourcery.com> | 2008-09-01 22:02:55 +0000 |
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committer | Paul Brook <pbrook@gcc.gnu.org> | 2008-09-01 22:02:55 +0000 |
commit | 48c23a6c39fa4f75a9054921ad7ce2f12e99fdb0 (patch) | |
tree | 1c4aa291e24f46a06d56acc7e1579a5d04e7c3d4 /gcc | |
parent | 4b738718614de4af7939844cf3232ac0b9a7b0e4 (diff) | |
download | gcc-48c23a6c39fa4f75a9054921ad7ce2f12e99fdb0.zip gcc-48c23a6c39fa4f75a9054921ad7ce2f12e99fdb0.tar.gz gcc-48c23a6c39fa4f75a9054921ad7ce2f12e99fdb0.tar.bz2 |
thumb2.md (thumb2_negscc): Match the correct operand for optimized LT0 test.
2008-09-01 Paul Brook <paul@codesourcery.com>
gcc/
* config/arm/thumb2.md (thumb2_negscc): Match the correct operand for
optimized LT0 test. Remove optimization for GT.
From-SVN: r139873
Diffstat (limited to 'gcc')
-rw-r--r-- | gcc/ChangeLog | 5 | ||||
-rw-r--r-- | gcc/config/arm/thumb2.md | 5 |
2 files changed, 6 insertions, 4 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 43bb844..e271d88 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2008-09-01 Paul Brook <paul@codesourcery.com> + + * config/arm/thumb2.md (thumb2_negscc): Match the correct operand for + optimized LT0 test. Remove optimization for GT. + 2008-09-01 John David Anglin <dave.anglin@nrc-cnrc.gc.ca> * pa64-hpux.h (LIB_SPEC): Link against librt when building static diff --git a/gcc/config/arm/thumb2.md b/gcc/config/arm/thumb2.md index f33d820..2417650 100644 --- a/gcc/config/arm/thumb2.md +++ b/gcc/config/arm/thumb2.md @@ -755,15 +755,12 @@ (clobber (reg:CC CC_REGNUM))] "TARGET_THUMB2" "* - if (GET_CODE (operands[3]) == LT && operands[3] == const0_rtx) + if (GET_CODE (operands[3]) == LT && operands[2] == const0_rtx) return \"asr\\t%0, %1, #31\"; if (GET_CODE (operands[3]) == NE) return \"subs\\t%0, %1, %2\;it\\tne\;mvnne\\t%0, #0\"; - if (GET_CODE (operands[3]) == GT) - return \"subs\\t%0, %1, %2\;it\\tne\;mvnne\\t%0, %0, asr #31\"; - output_asm_insn (\"cmp\\t%1, %2\", operands); output_asm_insn (\"ite\\t%D3\", operands); output_asm_insn (\"mov%D3\\t%0, #0\", operands); |