tests/tcg/s390x: Cleanup of mie3 tests.

Adds clobbers and merges remaining separate asm statements.

Signed-off-by: David Miller <dmiller423@gmail.com>
Message-Id: <20220301214305.2778-1-dmiller423@gmail.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
[thuth: dropped changes to mie3-compl.c, whitespace fixes]
Signed-off-by: Thomas Huth <thuth@redhat.com>

tests/tcg/s390x/mie3-mvcrl.c

@@ -1,15 +1,17 @@
 #include <stdint.h>
 #include <string.h>
 
+
 static inline void mvcrl_8(const char *dst, const char *src)
 {
     asm volatile (
-    "llill %%r0, 8\n"
-    ".insn sse, 0xE50A00000000, 0(%[dst]), 0(%[src])"
-    : : [dst] "d" (dst), [src] "d" (src)
-    : "memory");
+        "llill %%r0, 8\n"
+        ".insn sse, 0xE50A00000000, 0(%[dst]), 0(%[src])"
+        : : [dst] "d" (dst), [src] "d" (src)
+        : "r0", "memory");
 }
 
+
 int main(int argc, char *argv[])
 {
     const char *alpha = "abcdefghijklmnop";

tests/tcg/s390x/mie3-sel.c

@@ -1,32 +1,27 @@
 #include <stdint.h>
 
+
 #define Fi3(S, ASM) uint64_t S(uint64_t a, uint64_t b, uint64_t c) \
-{                            \
-    uint64_t res = 0;        \
-    asm (                    \
-         "lg %%r2, %[a]\n"   \
-         "lg %%r3, %[b]\n"   \
-         "lg %%r0, %[c]\n"   \
-         "ltgr %%r0, %%r0\n" \
-         ASM                 \
-         "stg %%r0, %[res] " \
-         : [res] "=m" (res)  \
-         : [a] "m" (a),      \
-           [b] "m" (b),      \
-           [c] "m" (c)       \
-         : "r0", "r2",       \
-           "r3", "r4"        \
-    );                       \
-    return res;              \
+{                       \
+asm volatile (          \
+    "ltgr %[c], %[c]\n" \
+    ASM                 \
+    : [c] "+r" (c)      \
+    : [a]  "r" (a)      \
+    , [b]  "r" (b)      \
+);                      \
+    return c;           \
 }
 
-Fi3 (_selre,     ".insn rrf, 0xB9F00000, %%r0, %%r3, %%r2, 8\n")
-Fi3 (_selgrz,    ".insn rrf, 0xB9E30000, %%r0, %%r3, %%r2, 8\n")
-Fi3 (_selfhrnz,  ".insn rrf, 0xB9C00000, %%r0, %%r3, %%r2, 7\n")
+Fi3 (_selre,     ".insn rrf, 0xB9F00000, %[c], %[b], %[a], 8\n")
+Fi3 (_selgrz,    ".insn rrf, 0xB9E30000, %[c], %[b], %[a], 8\n")
+Fi3 (_selfhrnz,  ".insn rrf, 0xB9C00000, %[c], %[b], %[a], 7\n")
+
 
 int main(int argc, char *argv[])
 {
     uint64_t a = ~0, b = ~0, c = ~0;
+
     a =    _selre(0x066600000066ull, 0x066600000006ull, a);
     b =   _selgrz(0xF00D00000005ull, 0xF00D00000055ull, b);
     c = _selfhrnz(0x043200000044ull, 0x065400000004ull, c);