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Added ucomiss test

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ptitSeb 2021-06-29 14:35:16 +02:00
parent 25f43108fe
commit 3c0b7830de
4 changed files with 85 additions and 0 deletions
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5
CMakeLists.txt
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@ -665,6 +665,11 @@ add_test(NAME linkingIndirectVersion COMMAND ${CMAKE_COMMAND} -D TEST_PROGRAM=${
-D TEST_REFERENCE=${CMAKE_SOURCE_DIR}/tests/ref16.txt
-P ${CMAKE_SOURCE_DIR}/runTest.cmake )
add_test(NAME ucomiss COMMAND ${CMAKE_COMMAND} -D TEST_PROGRAM=${CMAKE_BINARY_DIR}/${BOX86}
-D TEST_ARGS=${CMAKE_SOURCE_DIR}/tests/test17 -D TEST_OUTPUT=tmpfile.txt
-D TEST_REFERENCE=${CMAKE_SOURCE_DIR}/tests/ref17.txt
-P ${CMAKE_SOURCE_DIR}/runTest.cmake )
file(GLOB extension_tests "${CMAKE_SOURCE_DIR}/tests/extensions/*.c")
foreach(file ${extension_tests})
get_filename_component(testname "${file}" NAME_WE)

11
tests/ref17.txt Normal file
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@ -0,0 +1,11 @@
ucomiss 1.000000, 2.000000 => 0x202
ucomiss 2.000000, 1.000000 => 0x203
ucomiss 1.000000, inf => 0x202
ucomiss inf, 1.000000 => 0x203
ucomiss 1.000000, -inf => 0x203
ucomiss -inf, 1.000000 => 0x202
ucomiss 1.000000, nan => 0x247
ucomiss nan, 1.000000 => 0x247
ucomiss 1.000000, 1.000000 => 0x242
ucomiss inf, inf => 0x242
ucomiss nan, nan => 0x247

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tests/test17 Executable file
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69
tests/test17.c Normal file
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@ -0,0 +1,69 @@
#include <string.h>
#include <stdio.h>
#include <stddef.h>
#include <stdlib.h>
#include <stdint.h>
#include <math.h>
#if defined(__x86_64__)
uint64_t _ucomiss_(float a, float b)
{
uint64_t ret;
asm volatile (
"ucomiss %%xmm0, %%xmm1\n"
"pushf\n"
"pop %%rax"
:"=a" (ret)::"xmm0","xmm1","cc");
return ret;
}
#else
uint64_t _ucomiss_(float a, float b)
{
uint32_t ret;
asm volatile (
"movss %1, %%xmm0\n"
"movss %2, %%xmm1\n"
"ucomiss %%xmm0, %%xmm1\n"
"pushf\n"
"pop %%eax"
:"=a" (ret):"m"(a), "m"(b):"xmm0", "xmm1", "cc");
return ret;
}
#endif
int main(int argc, const char** argv)
{
float a, b;
uint64_t flags;
a = 1.0f; b = 2.0f;
flags = _ucomiss_(a, b);
printf("ucomiss %f, %f => 0x%lx\n", a, b, flags);
flags = _ucomiss_(b, a);
printf("ucomiss %f, %f => 0x%lx\n", b, a, flags);
b = INFINITY;
flags = _ucomiss_(a, b);
printf("ucomiss %f, %f => 0x%lx\n", a, b, flags);
flags = _ucomiss_(b, a);
printf("ucomiss %f, %f => 0x%lx\n", b, a, flags);
b = -INFINITY;
flags = _ucomiss_(a, b);
printf("ucomiss %f, %f => 0x%lx\n", a, b, flags);
flags = _ucomiss_(b, a);
printf("ucomiss %f, %f => 0x%lx\n", b, a, flags);
b = NAN;
flags = _ucomiss_(a, b);
printf("ucomiss %f, %f => 0x%lx\n", a, b, flags);
flags = _ucomiss_(b, a);
printf("ucomiss %f, %f => 0x%lx\n", b, a, flags);
b = a;
flags = _ucomiss_(a, b);
printf("ucomiss %f, %f => 0x%lx\n", a, b, flags);
a = b = INFINITY;
flags = _ucomiss_(a, b);
printf("ucomiss %f, %f => 0x%lx\n", a, b, flags);
a = b = NAN;
flags = _ucomiss_(a, b);
printf("ucomiss %f, %f => 0x%lx\n", a, b, flags);
return 0;
}