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extload -> zextload

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33542 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng 2007-01-26 19:13:16 +00:00
parent 7e97288b62
commit b60c02e005
1 changed files with 5 additions and 0 deletions
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5
lib/Target/ARM/ARMInstrThumb.td
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@ -484,6 +484,11 @@ def : ThumbV5Pat<(ARMcall GPR:$dst), (tBLXr GPR:$dst)>;
def : ThumbPat<(zextloadi1 t_addrmode_s1:$addr),
(tLDRB t_addrmode_s1:$addr)>;
// extload -> zextload
def : ThumbPat<(extloadi1 t_addrmode_s1:$addr), (tLDRB t_addrmode_s1:$addr)>;
def : ThumbPat<(extloadi8 t_addrmode_s1:$addr), (tLDRB t_addrmode_s1:$addr)>;
def : ThumbPat<(extloadi16 t_addrmode_s2:$addr), (tLDRH t_addrmode_s2:$addr)>;
// truncstore i1 -> truncstore i8
def : ThumbPat<(truncstorei1 GPR:$src, t_addrmode_s1:$dst),
(tSTRB GPR:$src, t_addrmode_s1:$dst)>;