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Diffstat (limited to 'src/devices/cpu/rsp/vcl.h')
-rw-r--r--src/devices/cpu/rsp/vcl.h65
1 files changed, 0 insertions, 65 deletions
diff --git a/src/devices/cpu/rsp/vcl.h b/src/devices/cpu/rsp/vcl.h
deleted file mode 100644
index e09a13d5a8e..00000000000
--- a/src/devices/cpu/rsp/vcl.h
+++ /dev/null
@@ -1,65 +0,0 @@
-// license:BSD-3-Clause
-// copyright-holders:Tyler J. Stachecki,Ryan Holtz
-
-inline rsp_vec_t vec_vcl(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_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, ncarry, and nvce:
- // Note: diff = sign ? (vs + vt) : (vs - vt).
- rsp_vec_t diff = _mm_sub_epi16(vs, sign_negvt);
- rsp_vec_t ncarry = _mm_adds_epu16(vs, vt);
- ncarry = _mm_cmpeq_epi16(diff, ncarry);
- rsp_vec_t nvce = _mm_cmpeq_epi16(vce, zero);
- rsp_vec_t diff_zero = _mm_cmpeq_epi16(diff, zero);
-
- // Compute results for if (sign && ne):
- rsp_vec_t le_case1 = _mm_and_si128(diff_zero, ncarry);
- le_case1 = _mm_and_si128(nvce, le_case1);
- rsp_vec_t le_case2 = _mm_or_si128(diff_zero, ncarry);
- le_case2 = _mm_and_si128(vce, le_case2);
- rsp_vec_t le_eq = _mm_or_si128(le_case1, le_case2);
-
- // Compute results for if (!sign && ne):
- rsp_vec_t ge_eq = _mm_subs_epu16(vt, vs);
- ge_eq = _mm_cmpeq_epi16(ge_eq, zero);
-
- // Blend everything together. Caveat: we don't update
- // the results of ge/le if ne is false, so be careful.
- rsp_vec_t do_le = _mm_andnot_si128(eq, sign);
-#if (defined(__SSE4_1__) || defined(_MSC_VER))
- *le = _mm_blendv_epi8(*le, le_eq, do_le);
-#else
- le_eq = _mm_and_si128(do_le, le_eq);
- *le = _mm_andnot_si128(do_le, *le);
- *le = _mm_or_si128(le_eq, *le);
-#endif
-
- rsp_vec_t do_ge = _mm_or_si128(sign, eq);
-#if (defined(__SSE4_1__) || defined(_MSC_VER))
- *ge = _mm_blendv_epi8(ge_eq, *ge, do_ge);
-#else
- *ge = _mm_and_si128(do_ge, *ge);
- ge_eq = _mm_andnot_si128(do_ge, ge_eq);
- *ge = _mm_or_si128(ge_eq, *ge);
-#endif
-
- // Mux the result based on the value of sign.
-#if (defined(__SSE4_1__) || defined(_MSC_VER))
- rsp_vec_t mux_mask = _mm_blendv_epi8(*ge, *le, sign);
-#else
- do_le = _mm_and_si128(sign, *le);
- do_ge = _mm_andnot_si128(sign, *ge);
- rsp_vec_t mux_mask = _mm_or_si128(do_le, do_ge);
-#endif
-
-#if (defined(__SSE4_1__) || defined(_MSC_VER))
- return _mm_blendv_epi8(vs, sign_negvt, mux_mask);
-#else
- sign_negvt = _mm_and_si128(mux_mask, sign_negvt);
- vs = _mm_andnot_si128(mux_mask, vs);
- return _mm_or_si128(sign_negvt, vs);
-#endif
-}