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s390x/tcg: Implement VECTOR MULTIPLY *

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Yet another set of variants. Implement it similar to VECTOR MULTIPLY AND
ADD *. At least for one variant we have a gvec helper we can reuse.

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 11:58:46 +02:00
parent 1b430aec41
commit 2bf3ee38f1
4 changed files with 218 additions and 0 deletions
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16
target/s390x/helper.h
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@ -180,6 +180,22 @@ DEF_HELPER_FLAGS_5(gvec_vmao32, TCG_CALL_NO_RWG, void, ptr, cptr, cptr, cptr, i3
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)
DEF_HELPER_FLAGS_4(gvec_vmh8, TCG_CALL_NO_RWG, void, ptr, cptr, cptr, i32)
DEF_HELPER_FLAGS_4(gvec_vmh16, TCG_CALL_NO_RWG, void, ptr, cptr, cptr, i32)
DEF_HELPER_FLAGS_4(gvec_vmlh8, TCG_CALL_NO_RWG, void, ptr, cptr, cptr, i32)
DEF_HELPER_FLAGS_4(gvec_vmlh16, TCG_CALL_NO_RWG, void, ptr, cptr, cptr, i32)
DEF_HELPER_FLAGS_4(gvec_vme8, TCG_CALL_NO_RWG, void, ptr, cptr, cptr, i32)
DEF_HELPER_FLAGS_4(gvec_vme16, TCG_CALL_NO_RWG, void, ptr, cptr, cptr, i32)
DEF_HELPER_FLAGS_4(gvec_vme32, TCG_CALL_NO_RWG, void, ptr, cptr, cptr, i32)
DEF_HELPER_FLAGS_4(gvec_vmle8, TCG_CALL_NO_RWG, void, ptr, cptr, cptr, i32)
DEF_HELPER_FLAGS_4(gvec_vmle16, TCG_CALL_NO_RWG, void, ptr, cptr, cptr, i32)
DEF_HELPER_FLAGS_4(gvec_vmle32, TCG_CALL_NO_RWG, void, ptr, cptr, cptr, i32)
DEF_HELPER_FLAGS_4(gvec_vmo8, TCG_CALL_NO_RWG, void, ptr, cptr, cptr, i32)
DEF_HELPER_FLAGS_4(gvec_vmo16, TCG_CALL_NO_RWG, void, ptr, cptr, cptr, i32)
DEF_HELPER_FLAGS_4(gvec_vmo32, TCG_CALL_NO_RWG, void, ptr, cptr, cptr, i32)
DEF_HELPER_FLAGS_4(gvec_vmlo8, TCG_CALL_NO_RWG, void, ptr, cptr, cptr, i32)
DEF_HELPER_FLAGS_4(gvec_vmlo16, TCG_CALL_NO_RWG, void, ptr, cptr, cptr, i32)
DEF_HELPER_FLAGS_4(gvec_vmlo32, TCG_CALL_NO_RWG, void, ptr, cptr, cptr, i32)
#ifndef CONFIG_USER_ONLY
DEF_HELPER_3(servc, i32, env, i64, i64)

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

@ -1120,6 +1120,20 @@
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)
/* VECTOR MULTIPLY HIGH */
F(0xe7a3, VMH, VRR_c, V, 0, 0, 0, 0, vm, 0, IF_VEC)
/* VECTOR MULTIPLY LOGICAL HIGH */
F(0xe7a1, VMLH, VRR_c, V, 0, 0, 0, 0, vm, 0, IF_VEC)
/* VECTOR MULTIPLY LOW */
F(0xe7a2, VML, VRR_c, V, 0, 0, 0, 0, vm, 0, IF_VEC)
/* VECTOR MULTIPLY EVEN */
F(0xe7a6, VME, VRR_c, V, 0, 0, 0, 0, vm, 0, IF_VEC)
/* VECTOR MULTIPLY LOGICAL EVEN */
F(0xe7a4, VMLE, VRR_c, V, 0, 0, 0, 0, vm, 0, IF_VEC)
/* VECTOR MULTIPLY ODD */
F(0xe7a7, VMO, VRR_c, V, 0, 0, 0, 0, vm, 0, IF_VEC)
/* VECTOR MULTIPLY LOGICAL ODD */
F(0xe7a5, VMLO, VRR_c, V, 0, 0, 0, 0, vm, 0, IF_VEC)
#ifndef CONFIG_USER_ONLY
/* COMPARE AND SWAP AND PURGE */

88
target/s390x/translate_vx.inc.c
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@ -1703,3 +1703,91 @@ static DisasJumpType op_vma(DisasContext *s, DisasOps *o)
get_field(s->fields, v3), get_field(s->fields, v4), fn);
return DISAS_NEXT;
}
static void gen_mh_i32(TCGv_i32 d, TCGv_i32 a, TCGv_i32 b)
{
TCGv_i32 t = tcg_temp_new_i32();
tcg_gen_muls2_i32(t, d, a, b);
tcg_temp_free_i32(t);
}
static void gen_mlh_i32(TCGv_i32 d, TCGv_i32 a, TCGv_i32 b)
{
TCGv_i32 t = tcg_temp_new_i32();
tcg_gen_mulu2_i32(t, d, a, b);
tcg_temp_free_i32(t);
}
static DisasJumpType op_vm(DisasContext *s, DisasOps *o)
{
const uint8_t es = get_field(s->fields, m4);
static const GVecGen3 g_vmh[3] = {
{ .fno = gen_helper_gvec_vmh8, },
{ .fno = gen_helper_gvec_vmh16, },
{ .fni4 = gen_mh_i32, },
};
static const GVecGen3 g_vmlh[3] = {
{ .fno = gen_helper_gvec_vmlh8, },
{ .fno = gen_helper_gvec_vmlh16, },
{ .fni4 = gen_mlh_i32, },
};
static const GVecGen3 g_vme[3] = {
{ .fno = gen_helper_gvec_vme8, },
{ .fno = gen_helper_gvec_vme16, },
{ .fno = gen_helper_gvec_vme32, },
};
static const GVecGen3 g_vmle[3] = {
{ .fno = gen_helper_gvec_vmle8, },
{ .fno = gen_helper_gvec_vmle16, },
{ .fno = gen_helper_gvec_vmle32, },
};
static const GVecGen3 g_vmo[3] = {
{ .fno = gen_helper_gvec_vmo8, },
{ .fno = gen_helper_gvec_vmo16, },
{ .fno = gen_helper_gvec_vmo32, },
};
static const GVecGen3 g_vmlo[3] = {
{ .fno = gen_helper_gvec_vmlo8, },
{ .fno = gen_helper_gvec_vmlo16, },
{ .fno = gen_helper_gvec_vmlo32, },
};
const GVecGen3 *fn;
if (es > ES_32) {
gen_program_exception(s, PGM_SPECIFICATION);
return DISAS_NORETURN;
}
switch (s->fields->op2) {
case 0xa2:
gen_gvec_fn_3(mul, es, get_field(s->fields, v1),
get_field(s->fields, v2), get_field(s->fields, v3));
return DISAS_NEXT;
case 0xa3:
fn = &g_vmh[es];
break;
case 0xa1:
fn = &g_vmlh[es];
break;
case 0xa6:
fn = &g_vme[es];
break;
case 0xa4:
fn = &g_vmle[es];
break;
case 0xa7:
fn = &g_vmo[es];
break;
case 0xa5:
fn = &g_vmlo[es];
break;
default:
g_assert_not_reached();
}
gen_gvec_3(get_field(s->fields, v1), get_field(s->fields, v2),
get_field(s->fields, v3), fn);
return DISAS_NEXT;
}

100
target/s390x/vec_int_helper.c
View File

@ -364,3 +364,103 @@ void HELPER(gvec_vmalo##BITS)(void *v1, const void *v2, const void *v3, \
DEF_VMALO(8, 16)
DEF_VMALO(16, 32)
DEF_VMALO(32, 64)
#define DEF_VMH(BITS) \
void HELPER(gvec_vmh##BITS)(void *v1, const void *v2, const void *v3, \
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); \
\
s390_vec_write_element##BITS(v1, i, (a * b) >> BITS); \
} \
}
DEF_VMH(8)
DEF_VMH(16)
#define DEF_VMLH(BITS) \
void HELPER(gvec_vmlh##BITS)(void *v1, const void *v2, const void *v3, \
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); \
\
s390_vec_write_element##BITS(v1, i, (a * b) >> BITS); \
} \
}
DEF_VMLH(8)
DEF_VMLH(16)
#define DEF_VME(BITS, TBITS) \
void HELPER(gvec_vme##BITS)(void *v1, const void *v2, const void *v3, \
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); \
\
s390_vec_write_element##TBITS(v1, i, a * b); \
} \
}
DEF_VME(8, 16)
DEF_VME(16, 32)
DEF_VME(32, 64)
#define DEF_VMLE(BITS, TBITS) \
void HELPER(gvec_vmle##BITS)(void *v1, const void *v2, const void *v3, \
uint32_t desc) \
{ \
int i, j; \
\
for (i = 0, j = 0; i < (128 / TBITS); i++, j += 2) { \
const uint##TBITS##_t a = s390_vec_read_element##BITS(v2, j); \
const uint##TBITS##_t b = s390_vec_read_element##BITS(v3, j); \
\
s390_vec_write_element##TBITS(v1, i, a * b); \
} \
}
DEF_VMLE(8, 16)
DEF_VMLE(16, 32)
DEF_VMLE(32, 64)
#define DEF_VMO(BITS, TBITS) \
void HELPER(gvec_vmo##BITS)(void *v1, const void *v2, const void *v3, \
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); \
\
s390_vec_write_element##TBITS(v1, i, a * b); \
} \
}
DEF_VMO(8, 16)
DEF_VMO(16, 32)
DEF_VMO(32, 64)
#define DEF_VMLO(BITS, TBITS) \
void HELPER(gvec_vmlo##BITS)(void *v1, const void *v2, const void *v3, \
uint32_t desc) \
{ \
int i, j; \
\
for (i = 0, j = 0; i < (128 / TBITS); i++, j += 2) { \
const uint##TBITS##_t a = s390_vec_read_element##BITS(v2, j); \
const uint##TBITS##_t b = s390_vec_read_element##BITS(v3, j); \
\
s390_vec_write_element##TBITS(v1, i, a * b); \
} \
}
DEF_VMLO(8, 16)
DEF_VMLO(16, 32)
DEF_VMLO(32, 64)