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PPC: Add basic infrastructure for fast functions.

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This commit is contained in:
Mike Pall 2010-09-30 02:54:33 +02:00
parent a47136031e
commit 408cd055a4
1 changed files with 39 additions and 6 deletions
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45
src/buildvm_ppc.dasc
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@ -878,22 +878,30 @@ static void build_subroutines(BuildCtx *ctx)
| |
|.macro .ffunc_1, name |.macro .ffunc_1, name
|->ff_ .. name: |->ff_ .. name:
| NYI | cmplwi NARGS8:RC, 8
| evldd CARG1, 0(BASE)
| blt ->fff_fallback
|.endmacro |.endmacro
| |
|.macro .ffunc_2, name |.macro .ffunc_2, name
|->ff_ .. name: |->ff_ .. name:
| NYI | cmplwi NARGS8:RC, 16
| evldd CARG1, 0(BASE)
| evldd CARG2, 8(BASE)
| blt ->fff_fallback
|.endmacro |.endmacro
| |
|.macro .ffunc_n, name |.macro .ffunc_n, name
| .ffunc_1 name | .ffunc_1 name
| NYI | checknum CARG1
| checkfail ->fff_fallback
|.endmacro |.endmacro
| |
|.macro .ffunc_nn, name |.macro .ffunc_nn, name
| .ffunc_2 name | .ffunc_2 name
| NYI | evmergehi TMP0, CARG1, CARG2
| checknum TMP0
| checkanyfail ->fff_fallback
|.endmacro |.endmacro
| |
|.macro ffgccheck |.macro ffgccheck
@ -978,10 +986,35 @@ static void build_subroutines(BuildCtx *ctx)
| NYI | NYI
| // Fallthrough. | // Fallthrough.
| |
|->fff_restv:
| // CRET1 = TValue result.
| lwz PC, FRAME_PC(BASE)
| la RA, -8(BASE)
| evstdd CRET1, 0(RA)
|->fff_res1: |->fff_res1:
| NYI | // RA = results, PC = return.
| li RD, (1+1)*8
|->fff_res: |->fff_res:
| NYI | // RA = results, RD = (nresults+1)*8, PC = return.
| andi. TMP0, PC, FRAME_TYPE
| mr MULTRES, RD
| bne ->vm_return
| lwz INS, -4(PC)
| decode_RB8 RB, INS
|5:
| cmplw RB, RD // More results expected?
| decode_RA8 TMP0, INS
| bgt >6
| ins_next1
| // Adjust BASE. KBASE is assumed to be set for the calling frame.
| sub BASE, RA, TMP0
| ins_next2
|
|6: // Fill up results with nil.
| subi TMP1, RD, 8
| addi RD, RD, 8
| evstddx TISNIL, RA, TMP1
| b <5
| |
|.macro math_extern, func |.macro math_extern, func
| .ffunc math_ .. func | .ffunc math_ .. func