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avx_sig: Prepare to add arm64 neon test
Move inlined asm code to a separate source and rename x86 specific xmm names to more general simd names. Reviewed by: kib Differential Revision: https://reviews.freebsd.org/D40312
This commit is contained in:
Dmitry Chagin
parent
7a292504ba
commit
68348f41c9
14
tools/test/avx_sig/Makefile
Normal file
14
tools/test/avx_sig/Makefile
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@ -0,0 +1,14 @@
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.include <src.opts.mk>
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PROG= avx_sig
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SRCS= avx_sig.c
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MAN=
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LIBADD= pthread
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.if ${MACHINE_CPUARCH} == "amd64"
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SRCS+= c2x2c_amd64.S
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.endif
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.include <bsd.prog.mk>
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@ -48,33 +48,18 @@
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#define nitems(x) (sizeof((x)) / sizeof((x)[0]))
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#endif
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struct xmmreg {
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uint8_t xmm_bytes[16];
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#define SIMDRNAM "xmm"
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struct simdreg {
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uint8_t simd_bytes[16];
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};
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struct xmm {
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struct xmmreg xmmreg[16];
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struct simd {
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struct simdreg simdreg[16];
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};
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#define X2C(r) asm("movdqu %0, %%xmm" #r : "=m" (xmm->xmmreg[r]))
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#define C2X(r) asm("movdqu %%xmm" #r ", %0" : : "m" (xmm->xmmreg[r]) : "xmm" #r)
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static void
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cpu_to_xmm(struct xmm *xmm)
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{
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C2X(0); C2X(1); C2X(2); C2X(3); C2X(4); C2X(5); C2X(6); C2X(7);
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C2X(8); C2X(9); C2X(10); C2X(11); C2X(12); C2X(13); C2X(14); C2X(15);
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}
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static void
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xmm_to_cpu(struct xmm *xmm)
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{
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X2C(0); X2C(1); X2C(2); X2C(3); X2C(4); X2C(5); X2C(6); X2C(7);
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X2C(8); X2C(9); X2C(10); X2C(11); X2C(12); X2C(13); X2C(14); X2C(15);
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}
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#undef C2X
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#undef X2C
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void cpu_to_simd(struct simd *simd);
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void simd_to_cpu(struct simd *simd);
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static atomic_uint sigs;
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@ -96,23 +81,23 @@ sigalrm_handler(int sig __unused)
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alarm(TIMO);
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}
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static struct xmm zero_xmm = {};
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static struct simd zero_simd = {};
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static void
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fill_xmm(struct xmm *xmm)
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fill_simd(struct simd *simd)
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{
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arc4random_buf(xmm, sizeof(*xmm));
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arc4random_buf(simd, sizeof(*simd));
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}
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static void
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dump_xmm(const struct xmmreg *r)
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dump_simd(const struct simdreg *r)
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{
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unsigned k;
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for (k = 0; k < nitems(r->xmm_bytes); k++) {
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for (k = 0; k < nitems(r->simd_bytes); k++) {
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if (k != 0)
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printf(" ");
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printf("%02x", r->xmm_bytes[k]);
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printf("%02x", r->simd_bytes[k]);
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}
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printf("\n");
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}
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@ -120,9 +105,9 @@ dump_xmm(const struct xmmreg *r)
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static pthread_mutex_t show_lock;
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static void
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show_diff(const struct xmm *xmm1, const struct xmm *xmm2)
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show_diff(const struct simd *simd1, const struct simd *simd2)
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{
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const struct xmmreg *r1, *r2;
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const struct simdreg *r1, *r2;
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unsigned i, j;
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#if defined(__FreeBSD__)
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@ -130,14 +115,14 @@ show_diff(const struct xmm *xmm1, const struct xmm *xmm2)
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#elif defined(__linux__)
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printf("thr %ld\n", syscall(SYS_gettid));
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#endif
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for (i = 0; i < nitems(xmm1->xmmreg); i++) {
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r1 = &xmm1->xmmreg[i];
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r2 = &xmm2->xmmreg[i];
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for (j = 0; j < nitems(r1->xmm_bytes); j++) {
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if (r1->xmm_bytes[j] != r2->xmm_bytes[j]) {
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printf("xmm%u\n", i);
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dump_xmm(r1);
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dump_xmm(r2);
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for (i = 0; i < nitems(simd1->simdreg); i++) {
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r1 = &simd1->simdreg[i];
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r2 = &simd2->simdreg[i];
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for (j = 0; j < nitems(r1->simd_bytes); j++) {
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if (r1->simd_bytes[j] != r2->simd_bytes[j]) {
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printf("%%%s%u\n", SIMDRNAM, i);
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dump_simd(r1);
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dump_simd(r2);
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break;
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}
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}
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@ -153,26 +138,26 @@ my_pause(void)
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static void *
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worker_thread(void *arg __unused)
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{
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struct xmm xmm, xmm_cpu;
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struct simd simd, simd_cpu;
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fill_xmm(&xmm);
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fill_simd(&simd);
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for (;;) {
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xmm_to_cpu(&xmm);
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simd_to_cpu(&simd);
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my_pause();
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cpu_to_xmm(&xmm_cpu);
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if (memcmp(&xmm, &xmm_cpu, sizeof(struct xmm)) != 0) {
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cpu_to_simd(&simd_cpu);
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if (memcmp(&simd, &simd_cpu, sizeof(struct simd)) != 0) {
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pthread_mutex_lock(&show_lock);
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show_diff(&xmm, &xmm_cpu);
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show_diff(&simd, &simd_cpu);
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abort();
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pthread_mutex_unlock(&show_lock);
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}
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xmm_to_cpu(&zero_xmm);
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simd_to_cpu(&zero_simd);
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my_pause();
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cpu_to_xmm(&xmm_cpu);
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if (memcmp(&zero_xmm, &xmm_cpu, sizeof(struct xmm)) != 0) {
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cpu_to_simd(&simd_cpu);
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if (memcmp(&zero_simd, &simd_cpu, sizeof(struct simd)) != 0) {
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pthread_mutex_lock(&show_lock);
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show_diff(&zero_xmm, &xmm_cpu);
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show_diff(&zero_simd, &simd_cpu);
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abort();
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pthread_mutex_unlock(&show_lock);
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}
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55
tools/test/avx_sig/c2x2c_amd64.S
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55
tools/test/avx_sig/c2x2c_amd64.S
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@ -0,0 +1,55 @@
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/*
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* This file is in public domain.
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* Written by Dmitry Chagin <dchagin@FreeBSD.org>
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*
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* $FreeBSD$
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*/
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.global cpu_to_simd
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.type cpu_to_simd, @function
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cpu_to_simd:
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movdqu %xmm0, (%rdi)
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movdqu %xmm1, 1 * 16(%rdi)
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movdqu %xmm2, 2 * 16(%rdi)
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movdqu %xmm3, 3 * 16(%rdi)
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movdqu %xmm4, 4 * 16(%rdi)
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movdqu %xmm5, 5 * 16(%rdi)
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movdqu %xmm6, 6 * 16(%rdi)
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movdqu %xmm7, 7 * 16(%rdi)
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movdqu %xmm8, 8 * 16(%rdi)
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movdqu %xmm9, 9 * 16(%rdi)
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movdqu %xmm10, 10 * 16(%rdi)
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movdqu %xmm11, 11 * 16(%rdi)
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movdqu %xmm12, 12 * 16(%rdi)
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movdqu %xmm13, 13 * 16(%rdi)
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movdqu %xmm14, 14 * 16(%rdi)
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movdqu %xmm15, 15 * 16(%rdi)
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retq
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.size cpu_to_simd, . - cpu_to_simd
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.global simd_to_cpu
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.type simd_to_cpu, @function
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simd_to_cpu:
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movdqu (%rdi), %xmm0
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movdqu 1 * 16(%rdi), %xmm1
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movdqu 2 * 16(%rdi), %xmm2
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movdqu 3 * 16(%rdi), %xmm3
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movdqu 4 * 16(%rdi), %xmm4
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movdqu 5 * 16(%rdi), %xmm5
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movdqu 6 * 16(%rdi), %xmm6
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movdqu 7 * 16(%rdi), %xmm7
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movdqu 8 * 16(%rdi), %xmm8
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movdqu 9 * 16(%rdi), %xmm9
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movdqu 10 * 16(%rdi), %xmm10
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movdqu 11 * 16(%rdi), %xmm11
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movdqu 12 * 16(%rdi), %xmm12
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movdqu 13 * 16(%rdi), %xmm13
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movdqu 14 * 16(%rdi), %xmm14
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movdqu 15 * 16(%rdi), %xmm15
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retq
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.size simd_to_cpu, . - simd_to_cpu
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.section .note.GNU-stack,"",@progbits
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