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Diffstat (limited to 'src/pkg/runtime/sys_windows_amd64.s')
-rw-r--r--src/pkg/runtime/sys_windows_amd64.s3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/pkg/runtime/sys_windows_amd64.s b/src/pkg/runtime/sys_windows_amd64.s
index 6dc13e293d..73b1ba6d8c 100644
--- a/src/pkg/runtime/sys_windows_amd64.s
+++ b/src/pkg/runtime/sys_windows_amd64.s
@@ -228,7 +228,8 @@ TEXT runtime·callbackasm1(SB),NOSPLIT,$0
ADDQ $8, SP
// determine index into runtime·cbctxts table
- SUBQ $runtime·callbackasm(SB), AX
+ MOVQ $runtime·callbackasm(SB), DX
+ SUBQ DX, AX
MOVQ $0, DX
MOVQ $5, CX // divide by 5 because each call instruction in runtime·callbacks is 5 bytes long
DIVL CX,