diff options
Diffstat (limited to 'src/devices/cpu/rsp/vch.h')
-rw-r--r-- | src/devices/cpu/rsp/vch.h | 57 |
1 files changed, 0 insertions, 57 deletions
diff --git a/src/devices/cpu/rsp/vch.h b/src/devices/cpu/rsp/vch.h deleted file mode 100644 index 6abac437a2c..00000000000 --- a/src/devices/cpu/rsp/vch.h +++ /dev/null @@ -1,57 +0,0 @@ -// license:BSD-3-Clause -// copyright-holders:Tyler J. Stachecki,Ryan Holtz - -inline rsp_vec_t vec_vch(rsp_vec_t vs, rsp_vec_t vt, rsp_vec_t zero, rsp_vec_t *ge, rsp_vec_t *le, rsp_vec_t *eq, rsp_vec_t *sign, rsp_vec_t *vce) { - // sign = (vs ^ vt) < 0 - *sign = _mm_xor_si128(vs, vt); - *sign = _mm_cmplt_epi16(*sign, zero); - - // sign_negvt = sign ? -vt : vt - rsp_vec_t sign_negvt = _mm_xor_si128(vt, *sign); - sign_negvt = _mm_sub_epi16(sign_negvt, *sign); - - // Compute diff, diff_zero: - rsp_vec_t diff = _mm_sub_epi16(vs, sign_negvt); - rsp_vec_t diff_zero = _mm_cmpeq_epi16(diff, zero); - - // Compute le/ge: - rsp_vec_t vt_neg = _mm_cmplt_epi16(vt, zero); - rsp_vec_t diff_lez = _mm_cmpgt_epi16(diff, zero); - rsp_vec_t diff_gez = _mm_or_si128(diff_lez, diff_zero); - diff_lez = _mm_cmpeq_epi16(zero, diff_lez); - -#if (defined(__SSE4_1__) || defined(_MSC_VER)) - *ge = _mm_blendv_epi8(diff_gez, vt_neg, *sign); - *le = _mm_blendv_epi8(vt_neg, diff_lez, *sign); -#else - *ge = _mm_and_si128(*sign, vt_neg); - diff_gez = _mm_andnot_si128(*sign, diff_gez); - *ge = _mm_or_si128(*ge, diff_gez); - - *le = _mm_and_si128(*sign, diff_lez); - diff_lez = _mm_andnot_si128(*sign, vt_neg); - *le = _mm_or_si128(*le, diff_lez); -#endif - - // Compute vce: - *vce = _mm_cmpeq_epi16(diff, *sign); - *vce = _mm_and_si128(*vce, *sign); - - // Compute !eq: - *eq = _mm_or_si128(diff_zero, *vce); - *eq = _mm_cmpeq_epi16(*eq, zero); - - // Compute result: -#if (defined(__SSE4_1__) || defined(_MSC_VER)) - rsp_vec_t diff_sel_mask = _mm_blendv_epi8(*ge, *le, *sign); - return _mm_blendv_epi8(vs, sign_negvt, diff_sel_mask); -#else - diff_lez = _mm_and_si128(*sign, *le); - diff_gez = _mm_andnot_si128(*sign, *ge); - rsp_vec_t diff_sel_mask = _mm_or_si128(diff_lez, diff_gez); - - diff_lez = _mm_and_si128(diff_sel_mask, sign_negvt); - diff_gez = _mm_andnot_si128(diff_sel_mask, vs); - return _mm_or_si128(diff_lez, diff_gez); -#endif -} |