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author | Chris Lattner <sabre@nondot.org> | 2006-10-11 22:09:58 +0000 |
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committer | Chris Lattner <sabre@nondot.org> | 2006-10-11 22:09:58 +0000 |
commit | 4fe4f254ce677e49448ab22cf83a25729e5b9634 (patch) | |
tree | e24f4dba6389033ed452e9f60c8dd29f2714bab2 /lib/Bytecode/Reader/ReaderWrappers.cpp | |
parent | ffe945e1c79fde913a4d7231cb45162f563d2ae6 (diff) |
Fold "zero extending vector loads" now that evan added the chain manip stuff.
This compiles both tests in X86/vec_ss_load_fold.ll into:
_test1:
movss 4(%esp), %xmm0
subss LCPI1_0, %xmm0
mulss LCPI1_1, %xmm0
minss LCPI1_2, %xmm0
xorps %xmm1, %xmm1
maxss %xmm1, %xmm0
cvttss2si %xmm0, %eax
andl $65535, %eax
ret
instead of:
_test1:
movss LCPI1_0, %xmm0
movss 4(%esp), %xmm1
subss %xmm0, %xmm1
movss LCPI1_1, %xmm0
mulss %xmm0, %xmm1
movss LCPI1_2, %xmm0
minss %xmm0, %xmm1
xorps %xmm0, %xmm0
maxss %xmm0, %xmm1
cvttss2si %xmm1, %eax
andl $65535, %eax
ret
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30894 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Bytecode/Reader/ReaderWrappers.cpp')
0 files changed, 0 insertions, 0 deletions