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x64: Fix __call metamethod return dispatch.

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Reported by Igor Munkin.
This commit is contained in:
Mike Pall 2020-12-04 11:16:55 +01:00
parent 7aa3e313a3
commit d67ff15a5c
1 changed files with 4 additions and 0 deletions
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4
src/vm_x86.dasc
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@ -1246,7 +1246,11 @@ static void build_subroutines(BuildCtx *ctx)
| mov LFUNC:RB, [RA-8] | mov LFUNC:RB, [RA-8]
| add NARGS:RD, 1 | add NARGS:RD, 1
| // This is fragile. L->base must not move, KBASE must always be defined. | // This is fragile. L->base must not move, KBASE must always be defined.
|.if x64
| cmp KBASEa, rdx // Continue with CALLT if flag set.
|.else
| cmp KBASE, BASE // Continue with CALLT if flag set. | cmp KBASE, BASE // Continue with CALLT if flag set.
|.endif
| je ->BC_CALLT_Z | je ->BC_CALLT_Z
| mov BASE, RA | mov BASE, RA
| ins_call // Otherwise call resolved metamethod. | ins_call // Otherwise call resolved metamethod.