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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62991 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Scott Michel
2009-01-26 03:37:41 +00:00
parent c9c8b2a804
commit 19c10e658a
6 changed files with 49 additions and 49 deletions
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28
lib/Target/CellSPU/SPUMathInstr.td
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@@ -66,15 +66,15 @@ def Interpf32: CodeFrag<(FIf32 R32FP:$rB, (FRESTf32 R32FP:$rB))>;
def DivEstf32: CodeFrag<(FMf32 R32FP:$rA, Interpf32.Fragment)>;
// Newton-Raphson iteration
def NRaphf32: CodeFrag<(FMAf32 (FNMSf32 DivEstf32.Fragment, R32FP:$rB, R32FP:$rA),
Interpf32.Fragment,
DivEstf32.Fragment)>;
Interpf32.Fragment,
DivEstf32.Fragment)>;
// Epsilon addition
def Epsilonf32: CodeFrag<(AIf32 NRaphf32.Fragment, 1)>;
def : Pat<(fdiv R32FP:$rA, R32FP:$rB),
(SELBf32_cond NRaphf32.Fragment,
Epsilonf32.Fragment,
(CGTIf32 (FNMSf32 R32FP:$rB, Epsilonf32.Fragment, R32FP:$rA), -1))>;
(SELBf32_cond NRaphf32.Fragment,
Epsilonf32.Fragment,
(CGTIf32 (FNMSf32 R32FP:$rB, Epsilonf32.Fragment, R32FP:$rA), -1))>;
// Reciprocal estimate and interpolation
def Interpv4f32: CodeFrag<(FIv4f32 (v4f32 VECREG:$rB), (FRESTv4f32 (v4f32 VECREG:$rB)))>;
@@ -82,16 +82,16 @@ def Interpv4f32: CodeFrag<(FIv4f32 (v4f32 VECREG:$rB), (FRESTv4f32 (v4f32 VECREG
def DivEstv4f32: CodeFrag<(FMv4f32 (v4f32 VECREG:$rA), Interpv4f32.Fragment)>;
// Newton-Raphson iteration
def NRaphv4f32: CodeFrag<(FMAv4f32 (FNMSv4f32 DivEstv4f32.Fragment,
(v4f32 VECREG:$rB),
(v4f32 VECREG:$rA)),
Interpv4f32.Fragment,
DivEstv4f32.Fragment)>;
(v4f32 VECREG:$rB),
(v4f32 VECREG:$rA)),
Interpv4f32.Fragment,
DivEstv4f32.Fragment)>;
// Epsilon addition
def Epsilonv4f32: CodeFrag<(AIv4f32 NRaphv4f32.Fragment, 1)>;
def : Pat<(fdiv (v4f32 VECREG:$rA), (v4f32 VECREG:$rB)),
(SELBv4f32_cond NRaphv4f32.Fragment,
Epsilonv4f32.Fragment,
(CGTIv4f32 (FNMSv4f32 (v4f32 VECREG:$rB),
Epsilonv4f32.Fragment,
(v4f32 VECREG:$rA)), -1))>;
(SELBv4f32_cond NRaphv4f32.Fragment,
Epsilonv4f32.Fragment,
(CGTIv4f32 (FNMSv4f32 (v4f32 VECREG:$rB),
Epsilonv4f32.Fragment,
(v4f32 VECREG:$rA)), -1))>;