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s390x/tcg: Implement VECTOR MULTIPLY AND ADD *

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Quite some variants to handle. At least handle some 32-bit element
variants via gvec expansion (we could also handle 16/32-bit variants
for ODD and EVEN easily via gvec expansion, but let's keep it simple
for now).

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: David Hildenbrand <david@redhat.com>
This commit is contained in:
David Hildenbrand 2019-04-11 11:56:49 +02:00
parent 86f521b601
commit 1b430aec41
4 changed files with 277 additions and 0 deletions
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18
target/s390x/helper.h
View file

@ -162,6 +162,24 @@ DEF_HELPER_FLAGS_5(gvec_vgfma8, TCG_CALL_NO_RWG, void, ptr, cptr, cptr, cptr, i3
DEF_HELPER_FLAGS_5(gvec_vgfma16, TCG_CALL_NO_RWG, void, ptr, cptr, cptr, cptr, i32)
DEF_HELPER_FLAGS_5(gvec_vgfma32, TCG_CALL_NO_RWG, void, ptr, cptr, cptr, cptr, i32)
DEF_HELPER_FLAGS_5(gvec_vgfma64, TCG_CALL_NO_RWG, void, ptr, cptr, cptr, cptr, i32)
DEF_HELPER_FLAGS_5(gvec_vmal8, TCG_CALL_NO_RWG, void, ptr, cptr, cptr, cptr, i32)
DEF_HELPER_FLAGS_5(gvec_vmal16, TCG_CALL_NO_RWG, void, ptr, cptr, cptr, cptr, i32)
DEF_HELPER_FLAGS_5(gvec_vmah8, TCG_CALL_NO_RWG, void, ptr, cptr, cptr, cptr, i32)
DEF_HELPER_FLAGS_5(gvec_vmah16, TCG_CALL_NO_RWG, void, ptr, cptr, cptr, cptr, i32)
DEF_HELPER_FLAGS_5(gvec_vmalh8, TCG_CALL_NO_RWG, void, ptr, cptr, cptr, cptr, i32)
DEF_HELPER_FLAGS_5(gvec_vmalh16, TCG_CALL_NO_RWG, void, ptr, cptr, cptr, cptr, i32)
DEF_HELPER_FLAGS_5(gvec_vmae8, TCG_CALL_NO_RWG, void, ptr, cptr, cptr, cptr, i32)
DEF_HELPER_FLAGS_5(gvec_vmae16, TCG_CALL_NO_RWG, void, ptr, cptr, cptr, cptr, i32)
DEF_HELPER_FLAGS_5(gvec_vmae32, TCG_CALL_NO_RWG, void, ptr, cptr, cptr, cptr, i32)
DEF_HELPER_FLAGS_5(gvec_vmale8, TCG_CALL_NO_RWG, void, ptr, cptr, cptr, cptr, i32)
DEF_HELPER_FLAGS_5(gvec_vmale16, TCG_CALL_NO_RWG, void, ptr, cptr, cptr, cptr, i32)
DEF_HELPER_FLAGS_5(gvec_vmale32, TCG_CALL_NO_RWG, void, ptr, cptr, cptr, cptr, i32)
DEF_HELPER_FLAGS_5(gvec_vmao8, TCG_CALL_NO_RWG, void, ptr, cptr, cptr, cptr, i32)
DEF_HELPER_FLAGS_5(gvec_vmao16, TCG_CALL_NO_RWG, void, ptr, cptr, cptr, cptr, i32)
DEF_HELPER_FLAGS_5(gvec_vmao32, TCG_CALL_NO_RWG, void, ptr, cptr, cptr, cptr, i32)
DEF_HELPER_FLAGS_5(gvec_vmalo8, TCG_CALL_NO_RWG, void, ptr, cptr, cptr, cptr, i32)
DEF_HELPER_FLAGS_5(gvec_vmalo16, TCG_CALL_NO_RWG, void, ptr, cptr, cptr, cptr, i32)
DEF_HELPER_FLAGS_5(gvec_vmalo32, TCG_CALL_NO_RWG, void, ptr, cptr, cptr, cptr, i32)
#ifndef CONFIG_USER_ONLY
DEF_HELPER_3(servc, i32, env, i64, i64)

14
target/s390x/insn-data.def
View file

@ -1106,6 +1106,20 @@
F(0xe7fe, VMN, VRR_c, V, 0, 0, 0, 0, vmx, 0, IF_VEC)
/* VECTOR MINIMUM LOGICAL */
F(0xe7fc, VMNL, VRR_c, V, 0, 0, 0, 0, vmx, 0, IF_VEC)
/* VECTOR MULTIPLY AND ADD LOW */
F(0xe7aa, VMAL, VRR_d, V, 0, 0, 0, 0, vma, 0, IF_VEC)
/* VECTOR MULTIPLY AND ADD HIGH */
F(0xe7ab, VMAH, VRR_d, V, 0, 0, 0, 0, vma, 0, IF_VEC)
/* VECTOR MULTIPLY AND ADD LOGICAL HIGH */
F(0xe7a9, VMALH, VRR_d, V, 0, 0, 0, 0, vma, 0, IF_VEC)
/* VECTOR MULTIPLY AND ADD EVEN */
F(0xe7ae, VMAE, VRR_d, V, 0, 0, 0, 0, vma, 0, IF_VEC)
/* VECTOR MULTIPLY AND ADD LOGICAL EVEN */
F(0xe7ac, VMALE, VRR_d, V, 0, 0, 0, 0, vma, 0, IF_VEC)
/* VECTOR MULTIPLY AND ADD ODD */
F(0xe7af, VMAO, VRR_d, V, 0, 0, 0, 0, vma, 0, IF_VEC)
/* VECTOR MULTIPLY AND ADD LOGICAL ODD */
F(0xe7ad, VMALO, VRR_d, V, 0, 0, 0, 0, vma, 0, IF_VEC)
#ifndef CONFIG_USER_ONLY
/* COMPARE AND SWAP AND PURGE */

122
target/s390x/translate_vx.inc.c
View file

@ -1581,3 +1581,125 @@ static DisasJumpType op_vmx(DisasContext *s, DisasOps *o)
}
return DISAS_NEXT;
}
static void gen_mal_i32(TCGv_i32 d, TCGv_i32 a, TCGv_i32 b, TCGv_i32 c)
{
TCGv_i32 t0 = tcg_temp_new_i32();
tcg_gen_mul_i32(t0, a, b);
tcg_gen_add_i32(d, t0, c);
tcg_temp_free_i32(t0);
}
static void gen_mah_i32(TCGv_i32 d, TCGv_i32 a, TCGv_i32 b, TCGv_i32 c)
{
TCGv_i64 t0 = tcg_temp_new_i64();
TCGv_i64 t1 = tcg_temp_new_i64();
TCGv_i64 t2 = tcg_temp_new_i64();
tcg_gen_ext_i32_i64(t0, a);
tcg_gen_ext_i32_i64(t1, b);
tcg_gen_ext_i32_i64(t2, c);
tcg_gen_mul_i64(t0, t0, t1);
tcg_gen_add_i64(t0, t0, t2);
tcg_gen_extrh_i64_i32(d, t0);
tcg_temp_free(t0);
tcg_temp_free(t1);
tcg_temp_free(t2);
}
static void gen_malh_i32(TCGv_i32 d, TCGv_i32 a, TCGv_i32 b, TCGv_i32 c)
{
TCGv_i64 t0 = tcg_temp_new_i64();
TCGv_i64 t1 = tcg_temp_new_i64();
TCGv_i64 t2 = tcg_temp_new_i64();
tcg_gen_extu_i32_i64(t0, a);
tcg_gen_extu_i32_i64(t1, b);
tcg_gen_extu_i32_i64(t2, c);
tcg_gen_mul_i64(t0, t0, t1);
tcg_gen_add_i64(t0, t0, t2);
tcg_gen_extrh_i64_i32(d, t0);
tcg_temp_free(t0);
tcg_temp_free(t1);
tcg_temp_free(t2);
}
static DisasJumpType op_vma(DisasContext *s, DisasOps *o)
{
const uint8_t es = get_field(s->fields, m5);
static const GVecGen4 g_vmal[3] = {
{ .fno = gen_helper_gvec_vmal8, },
{ .fno = gen_helper_gvec_vmal16, },
{ .fni4 = gen_mal_i32, },
};
static const GVecGen4 g_vmah[3] = {
{ .fno = gen_helper_gvec_vmah8, },
{ .fno = gen_helper_gvec_vmah16, },
{ .fni4 = gen_mah_i32, },
};
static const GVecGen4 g_vmalh[3] = {
{ .fno = gen_helper_gvec_vmalh8, },
{ .fno = gen_helper_gvec_vmalh16, },
{ .fni4 = gen_malh_i32, },
};
static const GVecGen4 g_vmae[3] = {
{ .fno = gen_helper_gvec_vmae8, },
{ .fno = gen_helper_gvec_vmae16, },
{ .fno = gen_helper_gvec_vmae32, },
};
static const GVecGen4 g_vmale[3] = {
{ .fno = gen_helper_gvec_vmale8, },
{ .fno = gen_helper_gvec_vmale16, },
{ .fno = gen_helper_gvec_vmale32, },
};
static const GVecGen4 g_vmao[3] = {
{ .fno = gen_helper_gvec_vmao8, },
{ .fno = gen_helper_gvec_vmao16, },
{ .fno = gen_helper_gvec_vmao32, },
};
static const GVecGen4 g_vmalo[3] = {
{ .fno = gen_helper_gvec_vmalo8, },
{ .fno = gen_helper_gvec_vmalo16, },
{ .fno = gen_helper_gvec_vmalo32, },
};
const GVecGen4 *fn;
if (es > ES_32) {
gen_program_exception(s, PGM_SPECIFICATION);
return DISAS_NORETURN;
}
switch (s->fields->op2) {
case 0xaa:
fn = &g_vmal[es];
break;
case 0xab:
fn = &g_vmah[es];
break;
case 0xa9:
fn = &g_vmalh[es];
break;
case 0xae:
fn = &g_vmae[es];
break;
case 0xac:
fn = &g_vmale[es];
break;
case 0xaf:
fn = &g_vmao[es];
break;
case 0xad:
fn = &g_vmalo[es];
break;
default:
g_assert_not_reached();
}
gen_gvec_4(get_field(s->fields, v1), get_field(s->fields, v2),
get_field(s->fields, v3), get_field(s->fields, v4), fn);
return DISAS_NEXT;
}

123
target/s390x/vec_int_helper.c
View file

@ -241,3 +241,126 @@ void HELPER(gvec_vgfma64)(void *v1, const void *v2, const void *v3,
s390_vec_xor(&tmp1, &tmp1, &tmp2);
s390_vec_xor(v1, &tmp1, v4);
}
#define DEF_VMAL(BITS) \
void HELPER(gvec_vmal##BITS)(void *v1, const void *v2, const void *v3, \
const void *v4, uint32_t desc) \
{ \
int i; \
\
for (i = 0; i < (128 / BITS); i++) { \
const uint##BITS##_t a = s390_vec_read_element##BITS(v2, i); \
const uint##BITS##_t b = s390_vec_read_element##BITS(v3, i); \
const uint##BITS##_t c = s390_vec_read_element##BITS(v4, i); \
\
s390_vec_write_element##BITS(v1, i, a * b + c); \
} \
}
DEF_VMAL(8)
DEF_VMAL(16)
#define DEF_VMAH(BITS) \
void HELPER(gvec_vmah##BITS)(void *v1, const void *v2, const void *v3, \
const void *v4, uint32_t desc) \
{ \
int i; \
\
for (i = 0; i < (128 / BITS); i++) { \
const int32_t a = (int##BITS##_t)s390_vec_read_element##BITS(v2, i); \
const int32_t b = (int##BITS##_t)s390_vec_read_element##BITS(v3, i); \
const int32_t c = (int##BITS##_t)s390_vec_read_element##BITS(v4, i); \
\
s390_vec_write_element##BITS(v1, i, (a * b + c) >> BITS); \
} \
}
DEF_VMAH(8)
DEF_VMAH(16)
#define DEF_VMALH(BITS) \
void HELPER(gvec_vmalh##BITS)(void *v1, const void *v2, const void *v3, \
const void *v4, uint32_t desc) \
{ \
int i; \
\
for (i = 0; i < (128 / BITS); i++) { \
const uint##BITS##_t a = s390_vec_read_element##BITS(v2, i); \
const uint##BITS##_t b = s390_vec_read_element##BITS(v3, i); \
const uint##BITS##_t c = s390_vec_read_element##BITS(v4, i); \
\
s390_vec_write_element##BITS(v1, i, (a * b + c) >> BITS); \
} \
}
DEF_VMALH(8)
DEF_VMALH(16)
#define DEF_VMAE(BITS, TBITS) \
void HELPER(gvec_vmae##BITS)(void *v1, const void *v2, const void *v3, \
const void *v4, uint32_t desc) \
{ \
int i, j; \
\
for (i = 0, j = 0; i < (128 / TBITS); i++, j += 2) { \
int##TBITS##_t a = (int##BITS##_t)s390_vec_read_element##BITS(v2, j); \
int##TBITS##_t b = (int##BITS##_t)s390_vec_read_element##BITS(v3, j); \
int##TBITS##_t c = (int##BITS##_t)s390_vec_read_element##BITS(v4, j); \
\
s390_vec_write_element##TBITS(v1, i, a * b + c); \
} \
}
DEF_VMAE(8, 16)
DEF_VMAE(16, 32)
DEF_VMAE(32, 64)
#define DEF_VMALE(BITS, TBITS) \
void HELPER(gvec_vmale##BITS)(void *v1, const void *v2, const void *v3, \
const void *v4, uint32_t desc) \
{ \
int i, j; \
\
for (i = 0, j = 0; i < (128 / TBITS); i++, j += 2) { \
uint##TBITS##_t a = s390_vec_read_element##BITS(v2, j); \
uint##TBITS##_t b = s390_vec_read_element##BITS(v3, j); \
uint##TBITS##_t c = s390_vec_read_element##BITS(v4, j); \
\
s390_vec_write_element##TBITS(v1, i, a * b + c); \
} \
}
DEF_VMALE(8, 16)
DEF_VMALE(16, 32)
DEF_VMALE(32, 64)
#define DEF_VMAO(BITS, TBITS) \
void HELPER(gvec_vmao##BITS)(void *v1, const void *v2, const void *v3, \
const void *v4, uint32_t desc) \
{ \
int i, j; \
\
for (i = 0, j = 1; i < (128 / TBITS); i++, j += 2) { \
int##TBITS##_t a = (int##BITS##_t)s390_vec_read_element##BITS(v2, j); \
int##TBITS##_t b = (int##BITS##_t)s390_vec_read_element##BITS(v3, j); \
int##TBITS##_t c = (int##BITS##_t)s390_vec_read_element##BITS(v4, j); \
\
s390_vec_write_element##TBITS(v1, i, a * b + c); \
} \
}
DEF_VMAO(8, 16)
DEF_VMAO(16, 32)
DEF_VMAO(32, 64)
#define DEF_VMALO(BITS, TBITS) \
void HELPER(gvec_vmalo##BITS)(void *v1, const void *v2, const void *v3, \
const void *v4, uint32_t desc) \
{ \
int i, j; \
\
for (i = 0, j = 1; i < (128 / TBITS); i++, j += 2) { \
uint##TBITS##_t a = s390_vec_read_element##BITS(v2, j); \
uint##TBITS##_t b = s390_vec_read_element##BITS(v3, j); \
uint##TBITS##_t c = s390_vec_read_element##BITS(v4, j); \
\
s390_vec_write_element##TBITS(v1, i, a * b + c); \
} \
}
DEF_VMALO(8, 16)
DEF_VMALO(16, 32)
DEF_VMALO(32, 64)