mirrors/qemu
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

s390x/tcg: Implement VECTOR FP NEGATIVE MULTIPLY AND (ADD|SUBTRACT)

Browse Source 
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20210608092337.12221-23-david@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
This commit is contained in:
David Hildenbrand 2021-06-08 11:23:33 +02:00 committed by Cornelia Huck
parent e257abc8de
commit f02497306e
4 changed files with 49 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
target/s390x/helper.h
View File

@ -297,6 +297,12 @@ DEF_HELPER_FLAGS_6(gvec_vfma128, TCG_CALL_NO_WG, void, ptr, cptr, cptr, cptr, en
DEF_HELPER_FLAGS_6(gvec_vfms32, TCG_CALL_NO_WG, void, ptr, cptr, cptr, cptr, env, i32)
DEF_HELPER_FLAGS_6(gvec_vfms64, TCG_CALL_NO_WG, void, ptr, cptr, cptr, cptr, env, i32)
DEF_HELPER_FLAGS_6(gvec_vfms128, TCG_CALL_NO_WG, void, ptr, cptr, cptr, cptr, env, i32)
DEF_HELPER_FLAGS_6(gvec_vfnma32, TCG_CALL_NO_WG, void, ptr, cptr, cptr, cptr, env, i32)
DEF_HELPER_FLAGS_6(gvec_vfnma64, TCG_CALL_NO_WG, void, ptr, cptr, cptr, cptr, env, i32)
DEF_HELPER_FLAGS_6(gvec_vfnma128, TCG_CALL_NO_WG, void, ptr, cptr, cptr, cptr, env, i32)
DEF_HELPER_FLAGS_6(gvec_vfnms32, TCG_CALL_NO_WG, void, ptr, cptr, cptr, cptr, env, i32)
DEF_HELPER_FLAGS_6(gvec_vfnms64, TCG_CALL_NO_WG, void, ptr, cptr, cptr, cptr, env, i32)
DEF_HELPER_FLAGS_6(gvec_vfnms128, TCG_CALL_NO_WG, void, ptr, cptr, cptr, cptr, env, i32)
DEF_HELPER_FLAGS_4(gvec_vfsq32, TCG_CALL_NO_WG, void, ptr, cptr, env, i32)
DEF_HELPER_FLAGS_4(gvec_vfsq64, TCG_CALL_NO_WG, void, ptr, cptr, env, i32)
DEF_HELPER_FLAGS_4(gvec_vfsq128, TCG_CALL_NO_WG, void, ptr, cptr, env, i32)

4
target/s390x/insn-data.def
View File

@ -1259,6 +1259,10 @@
F(0xe78f, VFMA, VRR_e, V, 0, 0, 0, 0, vfma, 0, IF_VEC)
/* VECTOR FP MULTIPLY AND SUBTRACT */
F(0xe78e, VFMS, VRR_e, V, 0, 0, 0, 0, vfma, 0, IF_VEC)
/* VECTOR FP NEGATIVE MULTIPLY AND ADD */
F(0xe79f, VFNMA, VRR_e, VE, 0, 0, 0, 0, vfma, 0, IF_VEC)
/* VECTOR FP NEGATIVE MULTIPLY AND SUBTRACT */
F(0xe79e, VFNMS, VRR_e, VE, 0, 0, 0, 0, vfma, 0, IF_VEC)
/* VECTOR FP PERFORM SIGN OPERATION */
F(0xe7cc, VFPSO, VRR_a, V, 0, 0, 0, 0, vfpso, 0, IF_VEC)
/* VECTOR FP SQUARE ROOT */

39
target/s390x/translate_vx.c.inc
View File

@ -2820,7 +2820,8 @@ static DisasJumpType op_vfma(DisasContext *s, DisasOps *o)
const uint8_t fpf = get_field(s, m6);
gen_helper_gvec_4_ptr *fn = NULL;
if (s->fields.op2 == 0x8f) {
switch (s->fields.op2) {
case 0x8f:
switch (fpf) {
case FPF_SHORT:
if (s390_has_feat(S390_FEAT_VECTOR_ENH)) {
@ -2838,7 +2839,8 @@ static DisasJumpType op_vfma(DisasContext *s, DisasOps *o)
default:
break;
}
} else {
break;
case 0x8e:
switch (fpf) {
case FPF_SHORT:
if (s390_has_feat(S390_FEAT_VECTOR_ENH)) {
@ -2856,6 +2858,39 @@ static DisasJumpType op_vfma(DisasContext *s, DisasOps *o)
default:
break;
}
break;
case 0x9f:
switch (fpf) {
case FPF_SHORT:
fn = gen_helper_gvec_vfnma32;
break;
case FPF_LONG:
fn = gen_helper_gvec_vfnma64;
break;
case FPF_EXT:
fn = gen_helper_gvec_vfnma128;
break;
default:
break;
}
break;
case 0x9e:
switch (fpf) {
case FPF_SHORT:
fn = gen_helper_gvec_vfnms32;
break;
case FPF_LONG:
fn = gen_helper_gvec_vfnms64;
break;
case FPF_EXT:
fn = gen_helper_gvec_vfnms128;
break;
default:
break;
}
break;
default:
g_assert_not_reached();
}
if (!fn || extract32(m5, 0, 3)) {

2
target/s390x/vec_fpu_helper.c
View File

@ -663,6 +663,8 @@ void HELPER(gvec_##NAME##BITS)(void *v1, const void *v2, const void *v3, \
DEF_GVEC_VFMA(vfma, 0)
DEF_GVEC_VFMA(vfms, float_muladd_negate_c)
DEF_GVEC_VFMA(vfnma, float_muladd_negate_result)
DEF_GVEC_VFMA(vfnms, float_muladd_negate_c | float_muladd_negate_result)
void HELPER(gvec_vftci32)(void *v1, const void *v2, CPUS390XState *env,
uint32_t desc)