diff options
Diffstat (limited to 'tests/tcg/test-i386-ssse3.c')
-rw-r--r-- | tests/tcg/test-i386-ssse3.c | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/tests/tcg/test-i386-ssse3.c b/tests/tcg/test-i386-ssse3.c new file mode 100644 index 0000000000..0a42bd03e2 --- /dev/null +++ b/tests/tcg/test-i386-ssse3.c @@ -0,0 +1,57 @@ +/* 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; +} |