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ARM: Add fast assembler implementation of floor/ceil/trunc.

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This commit is contained in:
Mike Pall
2011-06-05 23:37:29 +02:00
parent a175754ab7
commit a48058a791
5 changed files with 922 additions and 835 deletions
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5
src/lib_math.c
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@@ -14,6 +14,7 @@
#include "lj_obj.h"
#include "lj_lib.h"
#include "lj_vm.h"
/* ------------------------------------------------------------------------ */
@@ -162,7 +163,7 @@ LJLIB_CF(math_random) LJLIB_REC(.)
double r1 = lj_lib_checknum(L, 1);
#endif
if (n == 1) {
d = floor(d*r1) + 1.0; /* d is an int in range [1, r1] */
d = lj_vm_floor(d*r1) + 1.0; /* d is an int in range [1, r1] */
} else {
#if LJ_DUALNUM
double r2;
@@ -176,7 +177,7 @@ LJLIB_CF(math_random) LJLIB_REC(.)
#else
double r2 = lj_lib_checknum(L, 2);
#endif
d = floor(d*(r2-r1+1.0)) + r1; /* d is an int in range [r1, r2] */
d = lj_vm_floor(d*(r2-r1+1.0)) + r1; /* d is an int in range [r1, r2] */
}
#if LJ_DUALNUM
if (isint) {