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fix(amd64-386): crash with sample-based oscillator in 32-bit library

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5684185+vsariola@users.noreply.github.com
2024-09-22 09:30:42 +03:00
parent 0e10cd2ae8
commit ce673578fd
2 changed files with 8 additions and 0 deletions
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6
vm/compiler/templates/amd64-386/sources.asm
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@ -127,6 +127,9 @@ su_op_oscillat_mono:
{{- end}}
{{- if .SupportsParamValueOtherThan "oscillator" "unison" 0}}
{{.PushRegs .AX "" .WRK "OscWRK" .AX "OscFlags"}}
{{- if and (not .Amd64) .Library}}
push {{.AX}} ; pushregs is pushad in 32-bit, and pushes edi last, so decrease SP because library needs to save edi and we can store detune there
{{- end}}
fldz ; 0 d
fxch ; d a=0, "accumulated signal"
su_op_oscillat_unison_loop:
@ -147,6 +150,9 @@ su_op_oscillat_unison_loop:
dec eax
jmp short su_op_oscillat_unison_loop
su_op_oscillat_unison_out:
{{- if and (not .Amd64) .Library}}
pop {{.AX}} ; pushregs is pushad in 32-bit, and pushes edi last, so we inscrease SP to avoid destroying edi
{{- end}}
{{.PopRegs .AX .WRK .AX}}
ret
su_op_oscillat_single: