s390x/tcg: Implement VECTOR FP SUBTRACT
Similar to VECTOR FP ADD. Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: David Hildenbrand <david@redhat.com>
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@ -290,6 +290,8 @@ DEF_HELPER_FLAGS_6(gvec_vfms64, TCG_CALL_NO_WG, void, ptr, cptr, cptr, cptr, env
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DEF_HELPER_FLAGS_6(gvec_vfms64s, TCG_CALL_NO_WG, void, ptr, cptr, cptr, cptr, env, i32)
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DEF_HELPER_FLAGS_4(gvec_vfsq64, TCG_CALL_NO_WG, void, ptr, cptr, env, i32)
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DEF_HELPER_FLAGS_4(gvec_vfsq64s, TCG_CALL_NO_WG, void, ptr, cptr, env, i32)
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DEF_HELPER_FLAGS_5(gvec_vfs64, TCG_CALL_NO_WG, void, ptr, cptr, cptr, env, i32)
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DEF_HELPER_FLAGS_5(gvec_vfs64s, TCG_CALL_NO_WG, void, ptr, cptr, cptr, env, i32)
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#ifndef CONFIG_USER_ONLY
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DEF_HELPER_3(servc, i32, env, i64, i64)
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@ -1244,6 +1244,8 @@
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F(0xe7cc, VFPSO, VRR_a, V, 0, 0, 0, 0, vfpso, 0, IF_VEC)
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/* VECTOR FP SQUARE ROOT */
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F(0xe7ce, VFSQ, VRR_a, V, 0, 0, 0, 0, vfsq, 0, IF_VEC)
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/* VECTOR FP SUBTRACT */
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F(0xe7e2, VFS, VRR_c, V, 0, 0, 0, 0, vfa, 0, IF_VEC)
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#ifndef CONFIG_USER_ONLY
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/* COMPARE AND SWAP AND PURGE */
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@ -2566,6 +2566,9 @@ static DisasJumpType op_vfa(DisasContext *s, DisasOps *o)
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case 0xe7:
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fn = se ? gen_helper_gvec_vfm64s : gen_helper_gvec_vfm64;
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break;
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case 0xe2:
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fn = se ? gen_helper_gvec_vfs64s : gen_helper_gvec_vfs64;
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break;
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default:
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g_assert_not_reached();
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}
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@ -569,3 +569,20 @@ void HELPER(gvec_vfsq64s)(void *v1, const void *v2, CPUS390XState *env,
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{
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vop64_2(v1, v2, env, true, false, 0, vfsq64, GETPC());
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}
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static uint64_t vfs64(uint64_t a, uint64_t b, float_status *s)
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{
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return float64_sub(a, b, s);
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}
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void HELPER(gvec_vfs64)(void *v1, const void *v2, const void *v3,
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CPUS390XState *env, uint32_t desc)
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{
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vop64_3(v1, v2, v3, env, false, vfs64, GETPC());
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}
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void HELPER(gvec_vfs64s)(void *v1, const void *v2, const void *v3,
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CPUS390XState *env, uint32_t desc)
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{
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vop64_3(v1, v2, v3, env, true, vfs64, GETPC());
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}
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