kselftest/arm64: Use preferred form for predicate load/stores

The preferred form of the str/ldr for predicate registers with an immediate
of zero is to omit the zero, and the clang built in assembler rejects the
zero immediate. Drop the immediate.

Signed-off-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20221117114130.687261-1-broonie@kernel.org
Signed-off-by: Will Deacon <will@kernel.org>

diff --git a/tools/testing/selftests/arm64/abi/syscall-abi-asm.S b/tools/testing/selftests/arm64/abi/syscall-abi-asm.S
index b523c21c2278164025cd1f4237c874ec5e69cba6..acd5e9f3bc0b424b4dddbfb5de88913d2f49056b 100644 (file)
--- a/tools/testing/selftests/arm64/abi/syscall-abi-asm.S
+++ b/tools/testing/selftests/arm64/abi/syscall-abi-asm.S
@@ -153,7 +153,7 @@ do_syscall:
        // Only set a non-zero FFR, test patterns must be zero since the
        // syscall should clear it - this lets us handle FA64.
        ldr     x2, =ffr_in
-       ldr     p0, [x2, #0]
+       ldr     p0, [x2]
        ldr     x2, [x2, #0]
        cbz     x2, 2f
        wrffr   p0.b
@@ -298,7 +298,7 @@ do_syscall:
        cbz     x2, 1f
        ldr     x2, =ffr_out
        rdffr   p0.b
-       str     p0, [x2, #0]
+       str     p0, [x2]
 1:
 
        // Restore callee saved registers x19-x30