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target/s390x: Use unwind data for helper_lam 

Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Aurelien Jarno <aurelien@aurel32.net>
Signed-off-by: Richard Henderson <rth@twiddle.net>
This commit is contained in:
Richard Henderson 2017-05-19 11:20:48 -07:00
parent 08a4cb793f
commit 9393c020bf
2 changed files with 2 additions and 2 deletions
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3
target/s390x/mem_helper.c
View File

@ -469,10 +469,11 @@ static uint32_t helper_icm(CPUS390XState *env, uint32_t r1, uint64_t address,
/* load access registers r1 to r3 from memory at a2 */
void HELPER(lam)(CPUS390XState *env, uint32_t r1, uint64_t a2, uint32_t r3)
{
uintptr_t ra = GETPC();
int i;
for (i = r1;; i = (i + 1) % 16) {
env->aregs[i] = cpu_ldl_data(env, a2);
env->aregs[i] = cpu_ldl_data_ra(env, a2, ra);
a2 += 4;
if (i == r3) {

1
target/s390x/translate.c
View File

@ -2626,7 +2626,6 @@ static ExitStatus op_lam(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_lam(cpu_env, r1, o->in2, r3);
tcg_temp_free_i32(r1);
tcg_temp_free_i32(r3);