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PPC: Add math.ldexp/frexp/modf() fast functions.

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This commit is contained in:
Mike Pall 2010-10-05 19:36:02 +02:00
parent 52b67fd3ea
commit 793fb4a9ad
1 changed files with 47 additions and 3 deletions
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50
src/buildvm_ppc.dasc
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@ -1293,9 +1293,53 @@ static void build_subroutines(BuildCtx *ctx)
| efdmul CRET1, CARG1, CARG2
| b ->fff_restv
|
|.ffunc_nn math_ldexp; NYI
|.ffunc_n math_frexp; NYI
|.ffunc_n math_modf; NYI
|.ffunc math_ldexp
| cmplwi NARGS8:RC, 16
| evldd CARG2, 0(BASE)
| evldd CARG4, 8(BASE)
| blt ->fff_fallback
| evmergehi CARG1, CARG4, CARG2
| checknum CARG1
| checkanyfail ->fff_fallback
| efdctsi CARG3, CARG4
| bl extern ldexp
| evmergelo CRET1, CRET1, CRET2
| b ->fff_restv
|
|.ffunc math_frexp
| cmplwi NARGS8:RC, 8
| evldd CARG2, 0(BASE)
| blt ->fff_fallback
| checknum CARG2
| evmergehi CARG1, CARG2, CARG2
| checkfail ->fff_fallback
| la CARG3, DISPATCH_GL(tmptv)(DISPATCH)
| lwz PC, FRAME_PC(BASE)
| bl extern frexp
| lwz TMP1, DISPATCH_GL(tmptv)(DISPATCH)
| evmergelo CRET1, CRET1, CRET2
| efdcfsi CRET2, TMP1
| la RA, -8(BASE)
| evstdd CRET1, 0(RA)
| li RD, (2+1)*8
| evstdd CRET2, 8(RA)
| b ->fff_res
|
|.ffunc math_modf
| cmplwi NARGS8:RC, 8
| evldd CARG2, 0(BASE)
| blt ->fff_fallback
| checknum CARG2
| evmergehi CARG1, CARG2, CARG2
| checkfail ->fff_fallback
| la CARG3, -8(BASE)
| lwz PC, FRAME_PC(BASE)
| bl extern modf
| evmergelo CRET1, CRET1, CRET2
| la RA, -8(BASE)
| evstdd CRET1, 0(BASE)
| li RD, (2+1)*8
| b ->fff_res
|
|.macro math_minmax, name, cmpop
| .ffunc_1 name