OpenE2K/qemu-e2k
13
4
Fork 0
Code Issues 4 Pull Requests Projects 2 Releases Activity

s390x/tcg: Implement VECTOR LOAD FP INTEGER

Browse Source 
We can reuse most of the infrastructure introduced for
VECTOR FP CONVERT FROM FIXED 64-BIT and friends.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: David Hildenbrand <david@redhat.com>
This commit is contained in:
David Hildenbrand 2019-05-29 21:57:10 +02:00
parent 817a1cec89
commit 60d0ab29a1
4 changed files with 30 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
target/s390x/helper.h
View File

@ -276,6 +276,8 @@ DEF_HELPER_FLAGS_4(gvec_vclgd64, TCG_CALL_NO_WG, void, ptr, cptr, env, i32)
DEF_HELPER_FLAGS_4(gvec_vclgd64s, TCG_CALL_NO_WG, void, ptr, cptr, env, i32) DEF_HELPER_FLAGS_4(gvec_vclgd64s, TCG_CALL_NO_WG, void, ptr, cptr, env, i32)
DEF_HELPER_FLAGS_5(gvec_vfd64, TCG_CALL_NO_WG, void, ptr, cptr, cptr, env, i32) DEF_HELPER_FLAGS_5(gvec_vfd64, TCG_CALL_NO_WG, void, ptr, cptr, cptr, env, i32)
DEF_HELPER_FLAGS_5(gvec_vfd64s, TCG_CALL_NO_WG, void, ptr, cptr, cptr, env, i32) DEF_HELPER_FLAGS_5(gvec_vfd64s, TCG_CALL_NO_WG, void, ptr, cptr, cptr, env, i32)
DEF_HELPER_FLAGS_4(gvec_vfi64, TCG_CALL_NO_WG, void, ptr, cptr, env, i32)
DEF_HELPER_FLAGS_4(gvec_vfi64s, TCG_CALL_NO_WG, void, ptr, cptr, env, i32)
#ifndef CONFIG_USER_ONLY #ifndef CONFIG_USER_ONLY
DEF_HELPER_3(servc, i32, env, i64, i64) DEF_HELPER_3(servc, i32, env, i64, i64)

2
target/s390x/insn-data.def
View File

@ -1228,6 +1228,8 @@
F(0xe7c0, VCLGD, VRR_a, V, 0, 0, 0, 0, vcdg, 0, IF_VEC) F(0xe7c0, VCLGD, VRR_a, V, 0, 0, 0, 0, vcdg, 0, IF_VEC)
/* VECTOR FP DIVIDE */ /* VECTOR FP DIVIDE */
F(0xe7e5, VFD, VRR_c, V, 0, 0, 0, 0, vfa, 0, IF_VEC) F(0xe7e5, VFD, VRR_c, V, 0, 0, 0, 0, vfa, 0, IF_VEC)
/* VECTOR LOAD FP INTEGER */
F(0xe7c7, VFI, VRR_a, V, 0, 0, 0, 0, vcdg, 0, IF_VEC)
#ifndef CONFIG_USER_ONLY #ifndef CONFIG_USER_ONLY
/* COMPARE AND SWAP AND PURGE */ /* COMPARE AND SWAP AND PURGE */

3
target/s390x/translate_vx.inc.c
View File

@ -2669,6 +2669,9 @@ static DisasJumpType op_vcdg(DisasContext *s, DisasOps *o)
case 0xc0: case 0xc0:
fn = se ? gen_helper_gvec_vclgd64s : gen_helper_gvec_vclgd64; fn = se ? gen_helper_gvec_vclgd64s : gen_helper_gvec_vclgd64;
break; break;
case 0xc7:
fn = se ? gen_helper_gvec_vfi64s : gen_helper_gvec_vfi64;
break;
default: default:
g_assert_not_reached(); g_assert_not_reached();
} }

23
target/s390x/vec_fpu_helper.c
View File

@ -386,3 +386,26 @@ void HELPER(gvec_vfd64s)(void *v1, const void *v2, const void *v3,
{ {
vop64_3(v1, v2, v3, env, true, vfd64, GETPC()); vop64_3(v1, v2, v3, env, true, vfd64, GETPC());
} }
static uint64_t vfi64(uint64_t a, float_status *s)
{
return float64_round_to_int(a, s);
}
void HELPER(gvec_vfi64)(void *v1, const void *v2, CPUS390XState *env,
uint32_t desc)
{
const uint8_t erm = extract32(simd_data(desc), 4, 4);
const bool XxC = extract32(simd_data(desc), 2, 1);
vop64_2(v1, v2, env, false, XxC, erm, vfi64, GETPC());
}
void HELPER(gvec_vfi64s)(void *v1, const void *v2, CPUS390XState *env,
uint32_t desc)
{
const uint8_t erm = extract32(simd_data(desc), 4, 4);
const bool XxC = extract32(simd_data(desc), 2, 1);
vop64_2(v1, v2, env, true, XxC, erm, vfi64, GETPC());
}