commit 1b1ea7b04d5b5635c877b6e66ea21b168e0a9fc7
parent dacd06d46b1f09b1a8cfcf0c07802f8bd2708bf1
Author: vaplv <vaplv@free.fr>
Date: Fri, 24 Oct 2014 14:29:47 +0200
Add and test the v4f/v4i reinterpret cast functions
Diffstat:
2 files changed, 77 insertions(+), 83 deletions(-)
diff --git a/src/sse/sse.h b/src/sse/sse.h
@@ -19,8 +19,12 @@
#include "ssef.h"
#include "ssei.h"
-static FINLINE v4i_T v4f_to_v4i(const v4f_T v) { return _mm_cvtps_epi32(v); }
-static FINLINE v4f_T v4i_to_v4f(const v4i_T v) { return _mm_cvtepi32_ps(v); }
+static FINLINE v4i_T v4f_to_v4i(const v4f_T v) {return _mm_cvtps_epi32(v);}
+static FINLINE v4f_T v4i_to_v4f(const v4i_T v) {return _mm_cvtepi32_ps(v);}
+
+/* Reinterpret cast */
+static FINLINE v4i_T v4f_rcast_v4i(const v4f_T v) {return _mm_castps_si128(v);}
+static FINLINE v4f_T v4i_rcast_v4f(const v4i_T v) {return _mm_castsi128_ps(v);}
#endif /* SIMD_SSE_H */
diff --git a/src/test_v4f.c b/src/test_v4f.c
@@ -18,7 +18,7 @@
int
main(int argc, char** argv)
{
- union { int32_t i; float f; } cast;
+ union { int32_t i[4]; float f[4]; } cast;
v4f_T i, j, k;
v4i_T l;
ALIGN(16) float tmp[5] = { 0.f, 1.f, 2.f, 3.f, 4.f };
@@ -69,74 +69,46 @@ main(int argc, char** argv)
CHECK(v4f_w(i), 0.f);
i = v4f_mask(~0, 0, ~0, ~0);
- cast.f = v4f_x(i); CHECK(cast.i, (int32_t)0xFFFFFFFF);
- cast.f = v4f_y(i); CHECK(cast.i, (int32_t)0x00000000);
- cast.f = v4f_z(i); CHECK(cast.i, (int32_t)0xFFFFFFFF);
- cast.f = v4f_w(i); CHECK(cast.i, (int32_t)0xFFFFFFFF);
+ cast.f[0] = v4f_x(i); CHECK(cast.i[0], (int32_t)0xFFFFFFFF);
+ cast.f[1] = v4f_y(i); CHECK(cast.i[1], (int32_t)0x00000000);
+ cast.f[2] = v4f_z(i); CHECK(cast.i[2], (int32_t)0xFFFFFFFF);
+ cast.f[3] = v4f_w(i); CHECK(cast.i[3], (int32_t)0xFFFFFFFF);
i = v4f_true();
- cast.f = v4f_x(i); CHECK(cast.i, (int32_t)0xFFFFFFFF);
- cast.f = v4f_y(i); CHECK(cast.i, (int32_t)0xFFFFFFFF);
- cast.f = v4f_z(i); CHECK(cast.i, (int32_t)0xFFFFFFFF);
- cast.f = v4f_w(i); CHECK(cast.i, (int32_t)0xFFFFFFFF);
+ cast.f[0] = v4f_x(i); CHECK(cast.i[0], (int32_t)0xFFFFFFFF);
+ cast.f[1] = v4f_y(i); CHECK(cast.i[1], (int32_t)0xFFFFFFFF);
+ cast.f[2] = v4f_z(i); CHECK(cast.i[2], (int32_t)0xFFFFFFFF);
+ cast.f[3] = v4f_w(i); CHECK(cast.i[3], (int32_t)0xFFFFFFFF);
i = v4f_false();
- cast.f = v4f_x(i); CHECK(cast.i, (int32_t)0x00000000);
- cast.f = v4f_y(i); CHECK(cast.i, (int32_t)0x00000000);
- cast.f = v4f_z(i); CHECK(cast.i, (int32_t)0x00000000);
- cast.f = v4f_w(i); CHECK(cast.i, (int32_t)0x00000000);
-
- i = v4f_xmask();
- cast.f = v4f_x(i); CHECK(cast.i, (int32_t)0xFFFFFFFF);
- cast.f = v4f_y(i); CHECK(cast.i, (int32_t)0x00000000);
- cast.f = v4f_z(i); CHECK(cast.i, (int32_t)0x00000000);
- cast.f = v4f_w(i); CHECK(cast.i, (int32_t)0x00000000);
-
- i = v4f_ymask();
- cast.f = v4f_x(i); CHECK(cast.i, (int32_t)0x00000000);
- cast.f = v4f_y(i); CHECK(cast.i, (int32_t)0xFFFFFFFF);
- cast.f = v4f_z(i); CHECK(cast.i, (int32_t)0x00000000);
- cast.f = v4f_w(i); CHECK(cast.i, (int32_t)0x00000000);
-
- i = v4f_zmask();
- cast.f = v4f_x(i); CHECK(cast.i, (int32_t)0x00000000);
- cast.f = v4f_y(i); CHECK(cast.i, (int32_t)0x00000000);
- cast.f = v4f_z(i); CHECK(cast.i, (int32_t)0xFFFFFFFF);
- cast.f = v4f_w(i); CHECK(cast.i, (int32_t)0x00000000);
-
- i = v4f_wmask();
- cast.f = v4f_x(i); CHECK(cast.i, (int32_t)0x00000000);
- cast.f = v4f_y(i); CHECK(cast.i, (int32_t)0x00000000);
- cast.f = v4f_z(i); CHECK(cast.i, (int32_t)0x00000000);
- cast.f = v4f_w(i); CHECK(cast.i, (int32_t)0xFFFFFFFF);
- CHECK(v4f_mask_x(i), 0);
- CHECK(v4f_mask_y(i), 0);
- CHECK(v4f_mask_z(i), 0);
- CHECK(v4f_mask_w(i), ~0);
+ cast.f[0] = v4f_x(i); CHECK(cast.i[0], (int32_t)0x00000000);
+ cast.f[1] = v4f_y(i); CHECK(cast.i[1], (int32_t)0x00000000);
+ cast.f[2] = v4f_z(i); CHECK(cast.i[2], (int32_t)0x00000000);
+ cast.f[3] = v4f_w(i); CHECK(cast.i[3], (int32_t)0x00000000);
i = v4f_mask(~0, 0, ~0, ~0);
j = v4f_mask(0, 0, 0, ~0);
k = v4f_or(i, j);
- cast.f = v4f_x(k); CHECK(cast.i, (int32_t)0xFFFFFFFF);
- cast.f = v4f_y(k); CHECK(cast.i, (int32_t)0x00000000);
- cast.f = v4f_z(k); CHECK(cast.i, (int32_t)0xFFFFFFFF);
- cast.f = v4f_w(k); CHECK(cast.i, (int32_t)0xFFFFFFFF);
+ cast.f[0] = v4f_x(k); CHECK(cast.i[0], (int32_t)0xFFFFFFFF);
+ cast.f[1] = v4f_y(k); CHECK(cast.i[1], (int32_t)0x00000000);
+ cast.f[2] = v4f_z(k); CHECK(cast.i[2], (int32_t)0xFFFFFFFF);
+ cast.f[3] = v4f_w(k); CHECK(cast.i[3], (int32_t)0xFFFFFFFF);
CHECK(v4f_mask_x(i), ~0);
CHECK(v4f_mask_y(i), 0);
CHECK(v4f_mask_z(i), ~0);
CHECK(v4f_mask_w(i), ~0);
k = v4f_and(i, j);
- cast.f = v4f_x(k); CHECK(cast.i, (int32_t)0x00000000);
- cast.f = v4f_y(k); CHECK(cast.i, (int32_t)0x00000000);
- cast.f = v4f_z(k); CHECK(cast.i, (int32_t)0x00000000);
- cast.f = v4f_w(k); CHECK(cast.i, (int32_t)0xFFFFFFFF);
+ cast.f[0] = v4f_x(k); CHECK(cast.i[0], (int32_t)0x00000000);
+ cast.f[1] = v4f_y(k); CHECK(cast.i[1], (int32_t)0x00000000);
+ cast.f[2] = v4f_z(k); CHECK(cast.i[2], (int32_t)0x00000000);
+ cast.f[3] = v4f_w(k); CHECK(cast.i[3], (int32_t)0xFFFFFFFF);
k = v4f_xor(i, j);
- cast.f = v4f_x(k); CHECK(cast.i, (int32_t)0xFFFFFFFF);
- cast.f = v4f_y(k); CHECK(cast.i, (int32_t)0x00000000);
- cast.f = v4f_z(k); CHECK(cast.i, (int32_t)0xFFFFFFFF);
- cast.f = v4f_w(k); CHECK(cast.i, (int32_t)0x00000000);
+ cast.f[0] = v4f_x(k); CHECK(cast.i[0], (int32_t)0xFFFFFFFF);
+ cast.f[1] = v4f_y(k); CHECK(cast.i[1], (int32_t)0x00000000);
+ cast.f[2] = v4f_z(k); CHECK(cast.i[2], (int32_t)0xFFFFFFFF);
+ cast.f[3] = v4f_w(k); CHECK(cast.i[3], (int32_t)0x00000000);
i = v4f_set(1.f, 2.f, 3.f, 4.f);
j = v4f_set(5.f, 6.f, 7.f, 8.f);
@@ -429,49 +401,49 @@ main(int argc, char** argv)
i = v4f_set(1.f, 2.f, 3.f, 4.f);
j = v4f_set(-2.f, -4.f, 3.f, 6.f);
k = v4f_eq(i, j);
- cast.f = v4f_x(k); CHECK(cast.i, (int32_t)0x00000000);
- cast.f = v4f_y(k); CHECK(cast.i, (int32_t)0x00000000);
- cast.f = v4f_z(k); CHECK(cast.i, (int32_t)0xFFFFFFFF);
- cast.f = v4f_w(k); CHECK(cast.i, (int32_t)0x00000000);
+ cast.f[0] = v4f_x(k); CHECK(cast.i[0], (int32_t)0x00000000);
+ cast.f[1] = v4f_y(k); CHECK(cast.i[1], (int32_t)0x00000000);
+ cast.f[2] = v4f_z(k); CHECK(cast.i[2], (int32_t)0xFFFFFFFF);
+ cast.f[3] = v4f_w(k); CHECK(cast.i[3], (int32_t)0x00000000);
k = v4f_neq(i, j);
- cast.f = v4f_x(k); CHECK(cast.i, (int32_t)0xFFFFFFFF);
- cast.f = v4f_y(k); CHECK(cast.i, (int32_t)0xFFFFFFFF);
- cast.f = v4f_z(k); CHECK(cast.i, (int32_t)0x00000000);
- cast.f = v4f_w(k); CHECK(cast.i, (int32_t)0xFFFFFFFF);
+ cast.f[0] = v4f_x(k); CHECK(cast.i[0], (int32_t)0xFFFFFFFF);
+ cast.f[1] = v4f_y(k); CHECK(cast.i[1], (int32_t)0xFFFFFFFF);
+ cast.f[2] = v4f_z(k); CHECK(cast.i[2], (int32_t)0x00000000);
+ cast.f[3] = v4f_w(k); CHECK(cast.i[3], (int32_t)0xFFFFFFFF);
k = v4f_gt(i, j);
- cast.f = v4f_x(k); CHECK(cast.i, (int32_t)0xFFFFFFFF);
- cast.f = v4f_y(k); CHECK(cast.i, (int32_t)0xFFFFFFFF);
- cast.f = v4f_z(k); CHECK(cast.i, (int32_t)0x00000000);
- cast.f = v4f_w(k); CHECK(cast.i, (int32_t)0x00000000);
+ cast.f[0] = v4f_x(k); CHECK(cast.i[0], (int32_t)0xFFFFFFFF);
+ cast.f[1] = v4f_y(k); CHECK(cast.i[1], (int32_t)0xFFFFFFFF);
+ cast.f[2] = v4f_z(k); CHECK(cast.i[2], (int32_t)0x00000000);
+ cast.f[3] = v4f_w(k); CHECK(cast.i[3], (int32_t)0x00000000);
k = v4f_lt(i, j);
- cast.f = v4f_x(k); CHECK(cast.i, (int32_t)0x00000000);
- cast.f = v4f_y(k); CHECK(cast.i, (int32_t)0x00000000);
- cast.f = v4f_z(k); CHECK(cast.i, (int32_t)0x00000000);
- cast.f = v4f_w(k); CHECK(cast.i, (int32_t)0xFFFFFFFF);
+ cast.f[0] = v4f_x(k); CHECK(cast.i[0], (int32_t)0x00000000);
+ cast.f[1] = v4f_y(k); CHECK(cast.i[1], (int32_t)0x00000000);
+ cast.f[2] = v4f_z(k); CHECK(cast.i[2], (int32_t)0x00000000);
+ cast.f[3] = v4f_w(k); CHECK(cast.i[3], (int32_t)0xFFFFFFFF);
k = v4f_ge(i, j);
- cast.f = v4f_x(k); CHECK(cast.i, (int32_t)0xFFFFFFFF);
- cast.f = v4f_y(k); CHECK(cast.i, (int32_t)0xFFFFFFFF);
- cast.f = v4f_z(k); CHECK(cast.i, (int32_t)0xFFFFFFFF);
- cast.f = v4f_w(k); CHECK(cast.i, (int32_t)0x00000000);
+ cast.f[0] = v4f_x(k); CHECK(cast.i[0], (int32_t)0xFFFFFFFF);
+ cast.f[1] = v4f_y(k); CHECK(cast.i[1], (int32_t)0xFFFFFFFF);
+ cast.f[2] = v4f_z(k); CHECK(cast.i[2], (int32_t)0xFFFFFFFF);
+ cast.f[3] = v4f_w(k); CHECK(cast.i[3], (int32_t)0x00000000);
k = v4f_le(i, j);
- cast.f = v4f_x(k); CHECK(cast.i, (int32_t)0x00000000);
- cast.f = v4f_y(k); CHECK(cast.i, (int32_t)0x00000000);
- cast.f = v4f_z(k); CHECK(cast.i, (int32_t)0xFFFFFFFF);
- cast.f = v4f_w(k); CHECK(cast.i, (int32_t)0xFFFFFFFF);
+ cast.f[0] = v4f_x(k); CHECK(cast.i[0], (int32_t)0x00000000);
+ cast.f[1] = v4f_y(k); CHECK(cast.i[1], (int32_t)0x00000000);
+ cast.f[2] = v4f_z(k); CHECK(cast.i[2], (int32_t)0xFFFFFFFF);
+ cast.f[3] = v4f_w(k); CHECK(cast.i[3], (int32_t)0xFFFFFFFF);
i = v4f_set(1.01f, 2.01f, 3.02f, 0.02f);
j = v4f_set(1.f, 2.f, 3.f, 0.f);
k = v4f_set(0.f, 0.01f, 0.02f, 0.f);
k = v4f_eq_eps(i, j, k);
- cast.f = v4f_x(k); CHECK(cast.i, (int32_t)0x00000000);
- cast.f = v4f_y(k); CHECK(cast.i, (int32_t)0xFFFFFFFF);
- cast.f = v4f_z(k); CHECK(cast.i, (int32_t)0xFFFFFFFF);
- cast.f = v4f_w(k); CHECK(cast.i, (int32_t)0x00000000);
+ cast.f[0] = v4f_x(k); CHECK(cast.i[0], (int32_t)0x00000000);
+ cast.f[1] = v4f_y(k); CHECK(cast.i[1], (int32_t)0xFFFFFFFF);
+ cast.f[2] = v4f_z(k); CHECK(cast.i[2], (int32_t)0xFFFFFFFF);
+ cast.f[3] = v4f_w(k); CHECK(cast.i[3], (int32_t)0x00000000);
i = v4f_set(1.f, 2.f, 3.f, 4.f);
j = v4f_set(-2.f, -4.f, 3.f, 6.f);
@@ -499,6 +471,24 @@ main(int argc, char** argv)
CHECK(v4f_z(k), 3.f);
CHECK(v4f_w(k), 6.f);
+ cast.f[0] = 1.f;
+ cast.f[1] = 2.f;
+ cast.f[2] = 3.14f;
+ cast.f[3] = -9.2f;
+
+ i = v4f_set(cast.f[0], cast.f[1], cast.f[2], cast.f[3]);
+ l = v4f_rcast_v4i(i);
+ CHECK(v4i_x(l), cast.i[0]);
+ CHECK(v4i_y(l), cast.i[1]);
+ CHECK(v4i_z(l), cast.i[2]);
+ CHECK(v4i_w(l), cast.i[3]);
+
+ i = v4i_rcast_v4f(l);
+ CHECK(v4f_x(i), cast.f[0]);
+ CHECK(v4f_y(i), cast.f[1]);
+ CHECK(v4f_z(i), cast.f[2]);
+ CHECK(v4f_w(i), cast.f[3]);
+
k = v4f_xxxx(j);
CHECK(v4f_x(k), -2.f);
CHECK(v4f_y(k), -2.f);
