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Compile table traversals: next(), pairs(), BC_ISNEXT/BC_ITERN.

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Sponsored by OpenResty Inc.
This commit is contained in:
Mike Pall
2021-09-19 17:49:25 +02:00
parent 986bb406ad
commit bb0f241015
27 changed files with 781 additions and 47 deletions
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9
src/vm_ppc.dasc
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@@ -3163,6 +3163,11 @@ static void build_subroutines(BuildCtx *ctx)
| blr
|.endif
|
|->vm_next:
|.if JIT
| NYI // On big-endian.
|.endif
|
|//-----------------------------------------------------------------------
|//-- FFI helper functions -----------------------------------------------
|//-----------------------------------------------------------------------
@@ -5112,8 +5117,9 @@ static void build_ins(BuildCtx *ctx, BCOp op, int defop)
case BC_ITERN:
| // RA = base*8, (RB = (nresults+1)*8, RC = (nargs+1)*8 (2+1)*8)
|.if JIT
| // NYI: add hotloop, record BC_ITERN.
| // NYI on big-endian
|.endif
|->vm_IITERN:
| add RA, BASE, RA
| lwz TAB:RB, -12(RA)
| lwz RC, -4(RA) // Get index from control var.
@@ -5244,6 +5250,7 @@ static void build_ins(BuildCtx *ctx, BCOp op, int defop)
| li TMP1, BC_ITERC
| stb TMP0, -1(PC)
| addis PC, TMP3, -(BCBIAS_J*4 >> 16)
| // NYI on big-endian: unpatch JLOOP.
| stb TMP1, 3(PC)
| b <1
break;