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[util] Get simd tests working for emulated simd

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A bit of a mess for optimized vs unoptimized, but the tests acknowledge
the differences in precision while checking that the code produces the
right results allowing for that precision.
This commit is contained in:
Bill Currie 2021-05-28 13:52:19 +09:00
parent ef9b04ba83
commit 0293167bd2
2 changed files with 25 additions and 7 deletions
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4
config.d/compiling.m4
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@ -81,8 +81,8 @@ AC_ARG_ENABLE(optimize,
optimize=yes
)
dnl QF_CC_OPTION(-Wno-psabi)
QF_CC_OPTION(-msse2)
QF_CC_OPTION(-Wno-psabi)
dnl QF_CC_OPTION(-msse2)
dnl QF_CC_OPTION(-Wno-psabi)
dnl QF_CC_OPTION(-mavx2)
dnl fma is not used as it is the equivalent of turning on

28
libs/util/test/test-simd.c
View file

@ -322,7 +322,13 @@ static vec4f_test_t vec4f_tests[] = {
T(crossf, one, right, { 0, 1, -1} ),
T(crossf, one, forward, {-1, 0, 1} ),
T(crossf, one, up, { 1, -1, 0} ),
#if !defined(__SSE__) && !defined(__OPTIMIZE__)
// when not optimizing and SSE is not available (but ok when
// optimizing)
T(crossf, qtest, qtest, {0, 0, -1.47819534e-09, 0} ),
#else
T(crossf, qtest, qtest, {0, 0, 0, 0} ),
#endif
T(qmulf, qident, qident, qident ),
T(qmulf, qident, right, right ),
@ -343,7 +349,11 @@ static vec4f_test_t vec4f_tests[] = {
T(qmulf, one, one, { 2, 2, 2, -2 } ),
T(qmulf, one, { 2, 2, 2, -2 }, { 0, 0, 0, -8 } ),
T(qmulf, qtest, qtest, {0.768, 0.576, 0, -0.28},
#ifndef __SSE__
#if !defined(__SSE__) && !defined(__OPTIMIZE__)
// when not optimizing and SSE is not available (but ok when
// optimizing)
{0, 6e-8, -1.47819534e-09, 3e-8}
#elif !defined( __SSE__)
{0, 6e-8, 0, 6e-8}
#else
{0, 6e-8, 0, 3e-8}
@ -369,14 +379,18 @@ static vec4f_test_t vec4f_tests[] = {
T(qvmulf, qtest, right, {0.5392, 0.6144, -0.576, 0},
{0, -5.9e-8, -6e-8, 0} ),
T(qvmulf, qtest, forward, {0.6144, 0.1808, 0.768, 0},
#ifndef __SSE__
#if !defined(__SSE__) && !defined(__OPTIMIZE__)
{-5.9e-8, 0, 0, 0}
#elif !defined(__SSE__)
{-5.9e-8, 3e-8, 0, 0}
#else
{-5.9e-8, 1.5e-8, 0, 0}
#endif
),
T(qvmulf, qtest, up, {0.576, -0.768, -0.28, 0},
#ifndef __SSE__
#if !defined(__SSE__) && !defined(__OPTIMIZE__)
{6e-8, 0, 3e-8, 0}
#elif !defined(__SSE__)
{6e-8, 0, 6e-8, 0}
#else
{6e-8, 0, 3e-8, 0}
@ -385,14 +399,18 @@ static vec4f_test_t vec4f_tests[] = {
T(vqmulf, right, qtest, {0.5392, 0.6144, 0.576, 0},
{0, -5.9e-8, 5.9e-8, 0} ),
T(vqmulf, forward, qtest, {0.6144, 0.1808, -0.768, 0},
#ifndef __SSE__
#if !defined(__SSE__) && !defined(__OPTIMIZE__)
{-5.9e-8, 0, 0, 0}
#elif !defined(__SSE__)
{-5.9e-8, 3e-8, 0, 0}
#else
{-5.9e-8, 1.5e-8, 0, 0}
#endif
),
T(vqmulf, up, qtest, {-0.576, 0.768, -0.28, 0},
#ifndef __SSE__
#if !defined(__SSE__) && !defined(__OPTIMIZE__)
{-5.9e-8, 0, 3e-8, 0}
#elif !defined(__SSE__)
{-5.9e-8, 0, 6e-8, 0}
#else
{-5.9e-8, 0, 3e-8, 0}