[PULL 25/35] tests/tcg: add memory-sve test for aarch64

[Alex Bennée]

This will be helpful in debugging problems with tracking SVE memory
accesses via the TCG plugins system.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Cc: Robert Henry <robhenry@microsoft.com>
Cc: Aaron Lindsay <aaron@os.amperecomputing.com>
Message-Id: <20230124180127.1881110-26-alex.bennee@linaro.org>

diff --git a/tests/tcg/aarch64/Makefile.softmmu-target 
b/tests/tcg/aarch64/Makefile.softmmu-target
index a1368905f5..df9747bae8 100644
--- a/tests/tcg/aarch64/Makefile.softmmu-target
+++ b/tests/tcg/aarch64/Makefile.softmmu-target
@@ -36,6 +36,13 @@ config-cc.mak: Makefile
 
 memory: CFLAGS+=-DCHECK_UNALIGNED=1
 
+memory-sve: memory.c $(LINK_SCRIPT) $(CRT_OBJS) $(MINILIB_OBJS)
+       $(CC) $(CFLAGS) $(EXTRA_CFLAGS) $< -o $@ $(LDFLAGS)
+
+memory-sve: CFLAGS+=-DCHECK_UNALIGNED=1 -march=armv8.1-a+sve -O3 
-fno-tree-loop-distribute-patterns
+
+TESTS+=memory-sve
+
 # Running
 QEMU_BASE_MACHINE=-M virt -cpu max -display none
 QEMU_OPTS+=$(QEMU_BASE_MACHINE) -semihosting-config 
enable=on,target=native,chardev=output -kernel
diff --git a/tests/tcg/aarch64/system/boot.S b/tests/tcg/aarch64/system/boot.S
index e190b1efa6..f136363d2a 100644
--- a/tests/tcg/aarch64/system/boot.S
+++ b/tests/tcg/aarch64/system/boot.S
@@ -179,12 +179,13 @@ __start:
        isb
 
        /*
-        * Enable FP registers. The standard C pre-amble will be
+        * Enable FP/SVE registers. The standard C pre-amble will be
         * saving these and A-profile compilers will use AdvSIMD
         * registers unless we tell it not to.
        */
        mrs     x0, cpacr_el1
        orr     x0, x0, #(3 << 20)
+       orr     x0, x0, #(3 << 16)
        msr     cpacr_el1, x0
 
        /* Setup some stack space and enter the test code.
-- 
2.34.1