4132431f24
These only need to be built for i386 guests. This includes a stub tests/tcg/i386/Makfile.target which absorbs some of what was in tests/tcg/Makefile. Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Thomas Huth <thuth@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
58 lines
1.8 KiB
C
58 lines
1.8 KiB
C
/* See if various MMX/SSE SSSE3 instructions give expected results */
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <stdint.h>
|
|
|
|
int main(int argc, char *argv[]) {
|
|
char hello[16];
|
|
const char ehlo[8] = "EHLO ";
|
|
uint64_t mask = 0x8080800302020001;
|
|
|
|
uint64_t a = 0x0000000000090007;
|
|
uint64_t b = 0x0000000000000000;
|
|
uint32_t c;
|
|
uint16_t d;
|
|
|
|
const char e[16] = "LLOaaaaaaaaaaaaa";
|
|
const char f[16] = "aaaaaaaaaaaaaaHE";
|
|
|
|
/* pshufb mm1/xmm1, mm2/xmm2 */
|
|
asm volatile ("movq (%0), %%mm0" : : "r" (ehlo) : "mm0", "mm1");
|
|
asm volatile ("movq %0, %%mm1" : : "m" (mask));
|
|
asm volatile ("pshufb %mm1, %mm0");
|
|
asm volatile ("movq %%mm0, %0" : "=m" (hello));
|
|
printf("%s\n", hello);
|
|
|
|
/* pshufb mm1/xmm1, m64/m128 */
|
|
asm volatile ("movq (%0), %%mm0" : : "r" (ehlo) : "mm0");
|
|
asm volatile ("pshufb %0, %%mm0" : : "m" (mask));
|
|
asm volatile ("movq %%mm0, %0" : "=m" (hello));
|
|
printf("%s\n", hello);
|
|
|
|
/* psubsw mm1/xmm1, m64/m128 */
|
|
asm volatile ("movq %0, %%mm0" : : "r" (a) : "mm0");
|
|
asm volatile ("phsubsw %0, %%mm0" : : "m" (b));
|
|
asm volatile ("movq %%mm0, %0" : "=m" (a));
|
|
printf("%i - %i = %i\n", 9, 7, -(int16_t) a);
|
|
|
|
/* palignr mm1/xmm1, m64/m128, imm8 */
|
|
asm volatile ("movdqa (%0), %%xmm0" : : "r" (e) : "xmm0");
|
|
asm volatile ("palignr $14, (%0), %%xmm0" : : "r" (f));
|
|
asm volatile ("movdqa %%xmm0, (%0)" : : "r" (hello));
|
|
printf("%5.5s\n", hello);
|
|
|
|
#if 1 /* SSE4 */
|
|
/* popcnt r64, r/m64 */
|
|
asm volatile ("movq $0x8421000010009c63, %%rax" : : : "rax");
|
|
asm volatile ("popcnt %%ax, %%dx" : : : "dx");
|
|
asm volatile ("popcnt %%eax, %%ecx" : : : "ecx");
|
|
asm volatile ("popcnt %rax, %rax");
|
|
asm volatile ("movq %%rax, %0" : "=m" (a));
|
|
asm volatile ("movl %%ecx, %0" : "=m" (c));
|
|
asm volatile ("movw %%dx, %0" : "=m" (d));
|
|
printf("%i = %i\n%i = %i = %i\n", 13, (int) a, 9, c, d + 1);
|
|
#endif
|
|
|
|
return 0;
|
|
}
|