Fix the following clang error in sve_vl():
In file included from arm/selftest.c:16:
kvm-unit-tests/lib/asm/processor.h:163:16:
error: value size does not match register size specified by the
constraint and modifier [-Werror,-Wasm-operand-widths]
: "=r" (vl));
^
kvm-unit-tests/lib/asm/processor.h:162:14:
note: use constraint modifier "w"
"rdvl %0, #8"
^~
%w0
1 error generated.
Fixes: d47d370c8f ("arm: Add test for FPU/SIMD context save/restore")
Signed-off-by: Raghavendra Rao Ananta <rananta@xxxxxxxxxx>
---
lib/arm64/asm/processor.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/lib/arm64/asm/processor.h b/lib/arm64/asm/processor.h
index b28d41fd..e261e74d 100644
--- a/lib/arm64/asm/processor.h
+++ b/lib/arm64/asm/processor.h
@@ -159,7 +159,7 @@ static inline int sve_vl(void)
int vl;
asm volatile(".arch_extension sve\n"
- "rdvl %0, #8"
+ "rdvl %w0, #8"
: "=r" (vl));
return vl;
--
2.47.0.105.g07ac214952-goog
