diff options
Diffstat (limited to 'regress/sys')
| -rw-r--r-- | regress/sys/arch/sparc64/emul-popc/simm/simm13.c | 24 |
1 files changed, 17 insertions, 7 deletions
diff --git a/regress/sys/arch/sparc64/emul-popc/simm/simm13.c b/regress/sys/arch/sparc64/emul-popc/simm/simm13.c index fdaa07444f6..8894e27dbad 100644 --- a/regress/sys/arch/sparc64/emul-popc/simm/simm13.c +++ b/regress/sys/arch/sparc64/emul-popc/simm/simm13.c @@ -1,4 +1,4 @@ -/* $OpenBSD: simm13.c,v 1.2 2003/08/19 05:37:57 jason Exp $ */ +/* $OpenBSD: simm13.c,v 1.3 2003/08/19 05:49:22 jason Exp $ */ /* * Copyright (c) 2003 Jason L. Wright (jason@thought.net) @@ -26,6 +26,11 @@ * POSSIBILITY OF SUCH DAMAGE. */ +/* + * check that "popc immediate, %rd" gets the correct value. It is + * emulated on most SPARC v9 implementations. + */ + #include <sys/types.h> #include <sys/mman.h> #include <machine/instr.h> @@ -34,6 +39,11 @@ #define SIGN_EXT13(v) (((int64_t)(v) << 51) >> 51) +void gen_simm(u_int32_t *, int); +int64_t a_popc_imm(void *, int); +int64_t c_popc(int64_t); +int main(void); + void gen_simm(u_int32_t *p, int imm) { @@ -43,17 +53,18 @@ gen_simm(u_int32_t *p, int imm) * popc imm, %o0 */ p[0] = I_JMPLri(I_G0, I_O7, 8); - __asm __volatile("iflush %0+0" : : "r" (&p[0])); + __asm __volatile("iflush %0+0" : : "r" (p + 0)); p[1] = _I_OP3_R_RI(I_O0, IOP3_POPC, I_G0, imm); - __asm __volatile("iflush %0+0" : : "r" (&p[1])); + __asm __volatile("iflush %0+0" : : "r" (p + 1)); __asm __volatile("nop;nop;nop;nop;nop"); } -int -testit(void *v) +int64_t +a_popc_imm(void *v, int i) { int (*func)(void) = v; + gen_simm(v, i); return ((*func)()); } @@ -81,9 +92,8 @@ main() err(1, "mmap"); for (i = -4096; i <= 4095; i++) { - gen_simm(v, i); + a = a_popc_imm(v, i); c = c_popc(SIGN_EXT13(i)); - a = testit(v); if (c != a) { printf("BAD: %d: asm %d, c %d\n", i, a, c); r = 1; |