LFS/STFS load and store FP values, not integer ones. This change allows us
to codegen this: float foo() { return 1.245; } into this: _foo: lis r2, ha16(.CPI_foo_0) lfs f1, lo16(.CPI_foo_0)(r2) blr instead of this: _foo: lis r2, ha16(.CPI_foo_0) lfs r2, lo16(.CPI_foo_0)(r2) <-- ouch or f1, r2, r2 <-- ouch blr with the dag isel. llvm-svn: 23033
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@ -179,15 +179,15 @@ def CMPLWI : DForm_6_ext<10, (ops CRRC:$dst, GPRC:$src1, u16imm:$src2),
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def CMPLDI : DForm_6_ext<10, (ops CRRC:$dst, GPRC:$src1, u16imm:$src2),
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"cmpldi $dst, $src1, $src2">, isPPC64;
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let isLoad = 1 in {
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def LFS : DForm_8<48, (ops GPRC:$rD, symbolLo:$disp, GPRC:$rA),
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def LFS : DForm_8<48, (ops FPRC:$rD, symbolLo:$disp, GPRC:$rA),
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"lfs $rD, $disp($rA)">;
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def LFD : DForm_8<50, (ops GPRC:$rD, symbolLo:$disp, GPRC:$rA),
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def LFD : DForm_8<50, (ops FPRC:$rD, symbolLo:$disp, GPRC:$rA),
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"lfd $rD, $disp($rA)">;
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}
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let isStore = 1 in {
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def STFS : DForm_9<52, (ops GPRC:$rS, symbolLo:$disp, GPRC:$rA),
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def STFS : DForm_9<52, (ops FPRC:$rS, symbolLo:$disp, GPRC:$rA),
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"stfs $rS, $disp($rA)">;
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def STFD : DForm_9<54, (ops GPRC:$rS, symbolLo:$disp, GPRC:$rA),
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def STFD : DForm_9<54, (ops FPRC:$rS, symbolLo:$disp, GPRC:$rA),
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"stfd $rS, $disp($rA)">;
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}
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