[kvm-unit-tests PATCH v2 11/16] x86/emulator64: Relax register constraints for usr_gs_mov()

[Mathias Krause <minipli@xxxxxxxxxxxxxx>]

There's no need to hard-code the registers, allow the compiler to choose
ones that fit.

Signed-off-by: Mathias Krause <minipli@xxxxxxxxxxxxxx>
---
 x86/emulator64.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/x86/emulator64.c b/x86/emulator64.c
index c58441ca798c..4138eaae00c9 100644
--- a/x86/emulator64.c
+++ b/x86/emulator64.c
@@ -421,7 +421,7 @@ static uint64_t usr_gs_mov(void)
 	uint64_t ret;
 
 	dummy_ptr -= GS_BASE;
-	asm volatile("mov %%gs:(%%rcx), %%rax" : "=a"(ret): "c"(dummy_ptr) :);
+	asm volatile("mov %%gs:(%1), %0" : "=r"(ret) : "r"(dummy_ptr));
 
 	return ret;
 }
-- 
2.39.2