runtime: fix usleep on windows/arm
Changed calling convention to pre-multiply the argument by -100,
and then deleted the * 100 but not the negation in the windows/arm assembly.
Delete the negation.
Fixes the current all.bash breakage on windows/arm builder.
(Maybe that will uncover more.)
Change-Id: I13006a44866ecc007586deb180a49c038d70aa99
Reviewed-on: https://go-review.googlesource.com/c/go/+/295529
Trust: Russ Cox <rsc@golang.org>
Run-TryBot: Russ Cox <rsc@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Cherry Zhang <cherryyz@google.com>
diff --git a/src/runtime/sys_windows_arm.s b/src/runtime/sys_windows_arm.s
index 4be5ce7..9a5d9b1 100644
--- a/src/runtime/sys_windows_arm.s
+++ b/src/runtime/sys_windows_arm.s
@@ -375,12 +375,11 @@
// duration (in -100ns units) is in dt+0(FP).
// g may be nil.
TEXT runtime·usleep2(SB),NOSPLIT|NOFRAME,$0-4
- MOVW dt+0(FP), R0
+ MOVW dt+0(FP), R3
MOVM.DB.W [R4, R14], (R13) // push {r4, lr}
MOVW R13, R4 // Save SP
SUB $8, R13 // R13 = R13 - 8
BIC $0x7, R13 // Align SP for ABI
- RSB $0, R0, R3 // R3 = -R0
MOVW $0, R1 // R1 = FALSE (alertable)
MOVW $-1, R0 // R0 = handle
MOVW R13, R2 // R2 = pTime
