kselftest/arm64: Fix encoding for SVE B16B16 test

broonie · ctmarinas · commit 69c0d8247798 · 2024-11-01T16:39:21.000Z
The test for SVE_B16B16 had a cut'n'paste of a SME instruction, fix it with a relevant SVE instruction. Fixes: 44d10c2 ("kselftest/arm64: Add 2023 DPISA hwcap test coverage") Signed-off-by: Mark Brown <broonie@kernel.org> Link: https://lore.kernel.org/r/20241028-arm64-b16b16-test-v1-1-59a4a7449bdf@kernel.org Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
diff --git a/tools/testing/selftests/arm64/abi/hwcap.c b/tools/testing/selftests/arm64/abi/hwcap.c
@@ -361,8 +361,8 @@ static void sveaes_sigill(void)
 
 static void sveb16b16_sigill(void)
 {
-	/* BFADD ZA.H[W0, 0], {Z0.H-Z1.H} */
-	asm volatile(".inst 0xC1E41C00" : : : );
+	/* BFADD Z0.H, Z0.H, Z0.H */
+	asm volatile(".inst 0x65000000" : : : );
 }
 
 static void svepmull_sigill(void)

Original file line number	Diff line number	Diff line change
`@@ -361,8 +361,8 @@ static void sveaes_sigill(void)`
`361`	`361`
`362`	`362`	`static void sveb16b16_sigill(void)`
`363`	`363`	`{`
`364`		`- /* BFADD ZA.H[W0, 0], {Z0.H-Z1.H} */`
`365`		`- asm volatile(".inst 0xC1E41C00" : : : );`
	`364`	`+ /* BFADD Z0.H, Z0.H, Z0.H */`
	`365`	`+ asm volatile(".inst 0x65000000" : : : );`
`366`	`366`	`}`
`367`	`367`
`368`	`368`	`static void svepmull_sigill(void)`