target/s390x: Use unwind data for helper_clcle

Reviewed-by: Thomas Huth <thuth@redhat.com> Reviewed-by: Aurelien Jarno <aurelien@aurel32.net> Signed-off-by: Richard Henderson <rth@twiddle.net>
qemu · Jun 6, 2017 · 4546137 · 4546137
1 parent 453e4c0
commit 4546137
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Showing 2 changed files with 3 additions and 4 deletions.
diff --git a/target/s390x/mem_helper.c b/target/s390x/mem_helper.c
@@ -595,12 +595,12 @@ uint32_t HELPER(mvcle)(CPUS390XState *env, uint32_t r1, uint64_t a2,
 uint32_t HELPER(clcle)(CPUS390XState *env, uint32_t r1, uint64_t a2,
                        uint32_t r3)
 {
+    uintptr_t ra = GETPC();
     uint64_t destlen = env->regs[r1 + 1];
     uint64_t dest = get_address_31fix(env, r1);
     uint64_t srclen = env->regs[r3 + 1];
     uint64_t src = get_address_31fix(env, r3);
     uint8_t pad = a2 & 0xff;
-    uint8_t v1 = 0, v2 = 0;
     uint32_t cc = 0;
 
     if (!(destlen || srclen)) {
@@ -612,8 +612,8 @@ uint32_t HELPER(clcle)(CPUS390XState *env, uint32_t r1, uint64_t a2,
     }
 
     for (; destlen || srclen; src++, dest++, destlen--, srclen--) {
-        v1 = srclen ? cpu_ldub_data(env, src) : pad;
-        v2 = destlen ? cpu_ldub_data(env, dest) : pad;
+        uint8_t v1 = srclen ? cpu_ldub_data_ra(env, src, ra) : pad;
+        uint8_t v2 = destlen ? cpu_ldub_data_ra(env, dest, ra) : pad;
         if (v1 != v2) {
             cc = (v1 < v2) ? 1 : 2;
             break;

diff --git a/target/s390x/translate.c b/target/s390x/translate.c
@@ -1920,7 +1920,6 @@ static ExitStatus op_clcle(DisasContext *s, DisasOps *o)
 {
     TCGv_i32 r1 = tcg_const_i32(get_field(s->fields, r1));
     TCGv_i32 r3 = tcg_const_i32(get_field(s->fields, r3));
-    potential_page_fault(s);
     gen_helper_clcle(cc_op, cpu_env, r1, o->in2, r3);
     tcg_temp_free_i32(r1);
     tcg_temp_free_i32(r3);