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Re-enable trace stitching.

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Thanks to Vyacheslav Egorov.
This commit is contained in:
Mike Pall
2015-08-29 23:22:29 +02:00
parent ad29314c2c
commit a3a6866d4c
13 changed files with 60 additions and 84 deletions
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8
src/vm_ppc.dasc
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@@ -2525,7 +2525,7 @@ static void build_subroutines(BuildCtx *ctx)
|.if JIT
| // RA = resultptr, RB = meta base
| lwz INS, -4(PC)
| lwz TMP3, -20(RB) // Save previous trace number.
| lwz TRACE:TMP2, -20(RB) // Save previous trace.
| addic. TMP1, MULTRES, -8
| decode_RA8 RC, INS // Call base.
| beq >2
@@ -2540,15 +2540,11 @@ static void build_subroutines(BuildCtx *ctx)
| decode_RA8 RA, INS
| decode_RB8 RB, INS
| add RA, RA, RB
| lwz TMP1, DISPATCH_J(trace)(DISPATCH)
|3:
| cmplw RA, RC
| bgt >9 // More results wanted?
|
| slwi TMP2, TMP3, 2
| lwzx TRACE:TMP2, TMP1, TMP2
| cmpwi TRACE:TMP2, 0
| beq ->cont_nop
| lhz TMP3, TRACE:TMP2->traceno
| lhz RD, TRACE:TMP2->link
| cmpw RD, TMP3
| cmpwi cr1, RD, 0