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Use ARM's faster math functions on non-tiny builds

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This commit is contained in:
Justine Tunney 2022-07-11 18:34:10 -07:00
parent 3c10fb5580
commit 4814b6bdf8
58 changed files with 3760 additions and 361 deletions
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10
test/libc/tinymath/exp2_test.c
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@ -18,6 +18,7 @@
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/math.h"
#include "libc/runtime/gc.internal.h"
#include "libc/testlib/ezbench.h"
#include "libc/testlib/testlib.h"
#include "libc/x/x.h"
@ -54,3 +55,12 @@ TEST(exp2f, test) {
EXPECT_STREQ("0", gc(xdtoaf(exp2f(-132098844872390))));
EXPECT_STREQ("INFINITY", gc(xdtoaf(exp2f(132098844872390))));
}
BENCH(exp2l, bench) {
double _exp2(double) asm("exp2");
float _exp2f(float) asm("exp2f");
long double _exp2l(long double) asm("exp2l");
EZBENCH2("exp2", donothing, _exp2(.7)); /* ~6ns */
EZBENCH2("exp2f", donothing, _exp2f(.7)); /* ~5ns */
EZBENCH2("exp2l", donothing, _exp2l(.7)); /* ~30ns */
}