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s390x/tcg: Implement VECTOR FP SUBTRACT

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Similar to VECTOR FP ADD.

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 22:25:34 +02:00
parent 5938f20cb8
commit 658a395f6c
4 changed files with 24 additions and 0 deletions
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2
target/s390x/helper.h
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@ -290,6 +290,8 @@ DEF_HELPER_FLAGS_6(gvec_vfms64, TCG_CALL_NO_WG, void, ptr, cptr, cptr, cptr, env
DEF_HELPER_FLAGS_6(gvec_vfms64s, TCG_CALL_NO_WG, void, ptr, cptr, cptr, cptr, env, i32) DEF_HELPER_FLAGS_6(gvec_vfms64s, TCG_CALL_NO_WG, void, ptr, cptr, cptr, cptr, env, i32)
DEF_HELPER_FLAGS_4(gvec_vfsq64, 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_vfsq64s, TCG_CALL_NO_WG, void, ptr, cptr, env, i32) DEF_HELPER_FLAGS_4(gvec_vfsq64s, TCG_CALL_NO_WG, void, ptr, cptr, env, i32)
DEF_HELPER_FLAGS_5(gvec_vfs64, TCG_CALL_NO_WG, void, ptr, cptr, cptr, env, i32)
DEF_HELPER_FLAGS_5(gvec_vfs64s, TCG_CALL_NO_WG, void, ptr, cptr, 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
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@ -1244,6 +1244,8 @@
F(0xe7cc, VFPSO, VRR_a, V, 0, 0, 0, 0, vfpso, 0, IF_VEC) F(0xe7cc, VFPSO, VRR_a, V, 0, 0, 0, 0, vfpso, 0, IF_VEC)
/* VECTOR FP SQUARE ROOT */ /* VECTOR FP SQUARE ROOT */
F(0xe7ce, VFSQ, VRR_a, V, 0, 0, 0, 0, vfsq, 0, IF_VEC) F(0xe7ce, VFSQ, VRR_a, V, 0, 0, 0, 0, vfsq, 0, IF_VEC)
/* VECTOR FP SUBTRACT */
F(0xe7e2, VFS, VRR_c, V, 0, 0, 0, 0, vfa, 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
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@ -2566,6 +2566,9 @@ static DisasJumpType op_vfa(DisasContext *s, DisasOps *o)
case 0xe7: case 0xe7:
fn = se ? gen_helper_gvec_vfm64s : gen_helper_gvec_vfm64; fn = se ? gen_helper_gvec_vfm64s : gen_helper_gvec_vfm64;
break; break;
case 0xe2:
fn = se ? gen_helper_gvec_vfs64s : gen_helper_gvec_vfs64;
break;
default: default:
g_assert_not_reached(); g_assert_not_reached();
} }

17
target/s390x/vec_fpu_helper.c
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@ -569,3 +569,20 @@ void HELPER(gvec_vfsq64s)(void *v1, const void *v2, CPUS390XState *env,
{ {
vop64_2(v1, v2, env, true, false, 0, vfsq64, GETPC()); vop64_2(v1, v2, env, true, false, 0, vfsq64, GETPC());
} }
static uint64_t vfs64(uint64_t a, uint64_t b, float_status *s)
{
return float64_sub(a, b, s);
}
void HELPER(gvec_vfs64)(void *v1, const void *v2, const void *v3,
CPUS390XState *env, uint32_t desc)
{
vop64_3(v1, v2, v3, env, false, vfs64, GETPC());
}
void HELPER(gvec_vfs64s)(void *v1, const void *v2, const void *v3,
CPUS390XState *env, uint32_t desc)
{
vop64_3(v1, v2, v3, env, true, vfs64, GETPC());
}