diff options
Diffstat (limited to 'src/runtime/sys_windows_amd64.s')
| -rw-r--r-- | src/runtime/sys_windows_amd64.s | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/src/runtime/sys_windows_amd64.s b/src/runtime/sys_windows_amd64.s index e9ec99a51d..d1690cad58 100644 --- a/src/runtime/sys_windows_amd64.s +++ b/src/runtime/sys_windows_amd64.s @@ -454,11 +454,14 @@ TEXT runtime·usleep2(SB),NOSPLIT|NOFRAME,$48 // Runs on OS stack. duration (in 100ns units) is in BX. TEXT runtime·usleep2HighRes(SB),NOSPLIT|NOFRAME,$72 + get_tls(CX) + CMPQ CX, $0 + JE gisnotset + MOVQ SP, AX ANDQ $~15, SP // alignment as per Windows requirement MOVQ AX, 64(SP) - get_tls(CX) MOVQ g(CX), CX MOVQ g_m(CX), CX MOVQ (m_mOS+mOS_highResTimer)(CX), CX // hTimer @@ -484,6 +487,12 @@ TEXT runtime·usleep2HighRes(SB),NOSPLIT|NOFRAME,$72 MOVQ 64(SP), SP RET +gisnotset: + // TLS is not configured. Call usleep2 instead. + MOVQ $runtime·usleep2(SB), AX + CALL AX + RET + // Runs on OS stack. TEXT runtime·switchtothread(SB),NOSPLIT|NOFRAME,$0 MOVQ SP, AX |