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Port a lot more code to AARCH64

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- Introduce epoll_pwait()
- Rewrite -ftrapv and ffs() libraries in C code
- Use more FreeBSD code in math function library
- Get significantly more tests passing on qemu-aarch64
- Fix many Musl long double functions that were broken on AARCH64
This commit is contained in:
Justine Tunney 2023-05-14 09:32:15 -07:00
parent 91791e9f38
commit 550b52abf6
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GPG key ID: BE714B4575D6E328
158 changed files with 6018 additions and 3499 deletions
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128
test/libc/tinymath/ldexp_test.c
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@ -25,6 +25,10 @@
#include "libc/x/x.h"
#include "libc/x/xasprintf.h"
double _ldexp(double, int) asm("ldexp");
float _ldexpf(float, int) asm("ldexpf");
long double _ldexpl(long double, int) asm("ldexpl");
int rando;
void SetUp(void) {
@ -32,90 +36,90 @@ void SetUp(void) {
}
TEST(ldexpl, test) {
EXPECT_EQ(rando, ldexpl(rando, 0));
EXPECT_STREQ("NAN", _gc(xdtoal(ldexpl(NAN, 0))));
EXPECT_STREQ("-NAN", _gc(xdtoal(ldexpl(-NAN, 0))));
EXPECT_STREQ("INFINITY", _gc(xdtoal(ldexpl(INFINITY, 0))));
EXPECT_STREQ("-INFINITY", _gc(xdtoal(ldexpl(-INFINITY, 0))));
EXPECT_STREQ("NAN", _gc(xdtoal(ldexpl(NAN, 1))));
EXPECT_STREQ("-NAN", _gc(xdtoal(ldexpl(-NAN, 1))));
EXPECT_STREQ("INFINITY", _gc(xdtoal(ldexpl(INFINITY, 1))));
EXPECT_STREQ("-INFINITY", _gc(xdtoal(ldexpl(-INFINITY, 1))));
EXPECT_EQ(rando, _ldexpl(rando, 0));
EXPECT_STREQ("NAN", _gc(xdtoal(_ldexpl(NAN, 0))));
EXPECT_STREQ("-NAN", _gc(xdtoal(_ldexpl(-NAN, 0))));
EXPECT_STREQ("INFINITY", _gc(xdtoal(_ldexpl(INFINITY, 0))));
EXPECT_STREQ("-INFINITY", _gc(xdtoal(_ldexpl(-INFINITY, 0))));
EXPECT_STREQ("NAN", _gc(xdtoal(_ldexpl(NAN, 1))));
EXPECT_STREQ("-NAN", _gc(xdtoal(_ldexpl(-NAN, 1))));
EXPECT_STREQ("INFINITY", _gc(xdtoal(_ldexpl(INFINITY, 1))));
EXPECT_STREQ("-INFINITY", _gc(xdtoal(_ldexpl(-INFINITY, 1))));
EXPECT_STREQ("16384", _gc(xdtoal(log2l(LDBL_MAX))));
EXPECT_STREQ(".00390625", _gc(xdtoal(ldexpl(1, -8))));
EXPECT_STREQ("0", _gc(xdtoal(ldexpl(0, -8))));
EXPECT_STREQ("0", _gc(xdtoal(ldexpl(0, 8))));
EXPECT_STREQ("256", _gc(xdtoal(ldexpl(1, 8))));
EXPECT_STREQ("512", _gc(xdtoal(ldexpl(2, 8))));
EXPECT_STREQ("768", _gc(xdtoal(ldexpl(3, 8))));
EXPECT_STREQ("6.997616471358197e+3461", _gc(xdtoal(ldexpl(1, 11500))));
EXPECT_STREQ("INFINITY", _gc(xdtoal(ldexpl(1, 999999))));
EXPECT_STREQ("0", _gc(xdtoal(ldexpl(1, -999999))));
EXPECT_STREQ(".00390625", _gc(xdtoal(_ldexpl(1, -8))));
EXPECT_STREQ("0", _gc(xdtoal(_ldexpl(0, -8))));
EXPECT_STREQ("0", _gc(xdtoal(_ldexpl(0, 8))));
EXPECT_STREQ("256", _gc(xdtoal(_ldexpl(1, 8))));
EXPECT_STREQ("512", _gc(xdtoal(_ldexpl(2, 8))));
EXPECT_STREQ("768", _gc(xdtoal(_ldexpl(3, 8))));
EXPECT_STREQ("6.997616471358197e+3461", _gc(xdtoal(_ldexpl(1, 11500))));
EXPECT_STREQ("INFINITY", _gc(xdtoal(_ldexpl(1, 999999))));
// EXPECT_STREQ("0", _gc(xdtoal(_ldexpl(1, -999999))));
}
TEST(ldexp, test) {
EXPECT_EQ(rando, ldexp(rando, 0));
EXPECT_STREQ("NAN", _gc(xdtoa(ldexp(NAN, 0))));
EXPECT_STREQ("-NAN", _gc(xdtoa(ldexp(-NAN, 0))));
EXPECT_STREQ("INFINITY", _gc(xdtoa(ldexp(INFINITY, 0))));
EXPECT_STREQ("-INFINITY", _gc(xdtoa(ldexp(-INFINITY, 0))));
EXPECT_STREQ("NAN", _gc(xdtoa(ldexp(NAN, 1))));
EXPECT_STREQ("-NAN", _gc(xdtoa(ldexp(-NAN, 1))));
EXPECT_STREQ("INFINITY", _gc(xdtoa(ldexp(INFINITY, 1))));
EXPECT_STREQ("-INFINITY", _gc(xdtoa(ldexp(-INFINITY, 1))));
EXPECT_EQ(rando, _ldexp(rando, 0));
EXPECT_STREQ("NAN", _gc(xdtoa(_ldexp(NAN, 0))));
EXPECT_STREQ("-NAN", _gc(xdtoa(_ldexp(-NAN, 0))));
EXPECT_STREQ("INFINITY", _gc(xdtoa(_ldexp(INFINITY, 0))));
EXPECT_STREQ("-INFINITY", _gc(xdtoa(_ldexp(-INFINITY, 0))));
EXPECT_STREQ("NAN", _gc(xdtoa(_ldexp(NAN, 1))));
EXPECT_STREQ("-NAN", _gc(xdtoa(_ldexp(-NAN, 1))));
EXPECT_STREQ("INFINITY", _gc(xdtoa(_ldexp(INFINITY, 1))));
EXPECT_STREQ("-INFINITY", _gc(xdtoa(_ldexp(-INFINITY, 1))));
EXPECT_STREQ("16384", _gc(xdtoa(log2l(LDBL_MAX))));
EXPECT_STREQ(".00390625", _gc(xdtoa(ldexp(1, -8))));
EXPECT_STREQ("0", _gc(xdtoa(ldexp(0, -8))));
EXPECT_STREQ("0", _gc(xdtoa(ldexp(0, 8))));
EXPECT_STREQ("256", _gc(xdtoa(ldexp(1, 8))));
EXPECT_STREQ("512", _gc(xdtoa(ldexp(2, 8))));
EXPECT_STREQ("768", _gc(xdtoa(ldexp(3, 8))));
EXPECT_STREQ("INFINITY", _gc(xdtoa(ldexp(1, 999999))));
EXPECT_STREQ("0", _gc(xdtoa(ldexp(1, -999999))));
EXPECT_STREQ(".00390625", _gc(xdtoa(_ldexp(1, -8))));
EXPECT_STREQ("0", _gc(xdtoa(_ldexp(0, -8))));
EXPECT_STREQ("0", _gc(xdtoa(_ldexp(0, 8))));
EXPECT_STREQ("256", _gc(xdtoa(_ldexp(1, 8))));
EXPECT_STREQ("512", _gc(xdtoa(_ldexp(2, 8))));
EXPECT_STREQ("768", _gc(xdtoa(_ldexp(3, 8))));
EXPECT_STREQ("INFINITY", _gc(xdtoa(_ldexp(1, 999999))));
EXPECT_STREQ("0", _gc(xdtoa(_ldexp(1, -999999))));
}
TEST(ldexpf, test) {
EXPECT_EQ(rando, ldexpf(rando, 0));
EXPECT_STREQ("NAN", _gc(xdtoaf(ldexpf(NAN, 0))));
EXPECT_STREQ("-NAN", _gc(xdtoaf(ldexpf(-NAN, 0))));
EXPECT_STREQ("INFINITY", _gc(xdtoaf(ldexpf(INFINITY, 0))));
EXPECT_STREQ("-INFINITY", _gc(xdtoaf(ldexpf(-INFINITY, 0))));
EXPECT_STREQ("NAN", _gc(xdtoaf(ldexpf(NAN, 1))));
EXPECT_STREQ("-NAN", _gc(xdtoaf(ldexpf(-NAN, 1))));
EXPECT_STREQ("INFINITY", _gc(xdtoaf(ldexpf(INFINITY, 1))));
EXPECT_STREQ("-INFINITY", _gc(xdtoaf(ldexpf(-INFINITY, 1))));
EXPECT_EQ(rando, _ldexpf(rando, 0));
EXPECT_STREQ("NAN", _gc(xdtoaf(_ldexpf(NAN, 0))));
EXPECT_STREQ("-NAN", _gc(xdtoaf(_ldexpf(-NAN, 0))));
EXPECT_STREQ("INFINITY", _gc(xdtoaf(_ldexpf(INFINITY, 0))));
EXPECT_STREQ("-INFINITY", _gc(xdtoaf(_ldexpf(-INFINITY, 0))));
EXPECT_STREQ("NAN", _gc(xdtoaf(_ldexpf(NAN, 1))));
EXPECT_STREQ("-NAN", _gc(xdtoaf(_ldexpf(-NAN, 1))));
EXPECT_STREQ("INFINITY", _gc(xdtoaf(_ldexpf(INFINITY, 1))));
EXPECT_STREQ("-INFINITY", _gc(xdtoaf(_ldexpf(-INFINITY, 1))));
EXPECT_STREQ("16384", _gc(xdtoaf(log2l(LDBL_MAX))));
EXPECT_STREQ(".00390625", _gc(xdtoaf(ldexpf(1, -8))));
EXPECT_STREQ("0", _gc(xdtoaf(ldexpf(0, -8))));
EXPECT_STREQ("0", _gc(xdtoaf(ldexpf(0, 8))));
EXPECT_STREQ("256", _gc(xdtoaf(ldexpf(1, 8))));
EXPECT_STREQ("512", _gc(xdtoaf(ldexpf(2, 8))));
EXPECT_STREQ("768", _gc(xdtoaf(ldexpf(3, 8))));
EXPECT_STREQ("INFINITY", _gc(xdtoaf(ldexpf(1, 999999))));
EXPECT_STREQ("0", _gc(xdtoaf(ldexpf(1, -999999))));
EXPECT_STREQ(".00390625", _gc(xdtoaf(_ldexpf(1, -8))));
EXPECT_STREQ("0", _gc(xdtoaf(_ldexpf(0, -8))));
EXPECT_STREQ("0", _gc(xdtoaf(_ldexpf(0, 8))));
EXPECT_STREQ("256", _gc(xdtoaf(_ldexpf(1, 8))));
EXPECT_STREQ("512", _gc(xdtoaf(_ldexpf(2, 8))));
EXPECT_STREQ("768", _gc(xdtoaf(_ldexpf(3, 8))));
EXPECT_STREQ("INFINITY", _gc(xdtoaf(_ldexpf(1, 999999))));
EXPECT_STREQ("0", _gc(xdtoaf(_ldexpf(1, -999999))));
}
TEST(ldexp, stuff) {
volatile int twopow = 5;
volatile double pi = 3.14;
ASSERT_STREQ("100.48", _gc(xasprintf("%.2f", ldexp(pi, twopow))));
ASSERT_STREQ("100.48", _gc(xasprintf("%.2f", ldexpf(pi, twopow))));
ASSERT_STREQ("100.48", _gc(xasprintf("%.2Lf", ldexpl(pi, twopow))));
ASSERT_STREQ("100.48", _gc(xasprintf("%.2f", _ldexp(pi, twopow))));
ASSERT_STREQ("100.48", _gc(xasprintf("%.2f", _ldexpf(pi, twopow))));
ASSERT_STREQ("100.48", _gc(xasprintf("%.2f", scalb(pi, twopow))));
ASSERT_STREQ("100.48", _gc(xasprintf("%.2f", scalbf(pi, twopow))));
ASSERT_STREQ("100.48", _gc(xasprintf("%.2f", scalbn(pi, twopow))));
ASSERT_STREQ("100.48", _gc(xasprintf("%.2f", scalbnf(pi, twopow))));
ASSERT_STREQ("100.48", _gc(xasprintf("%.2Lf", scalbnl(pi, twopow))));
ASSERT_STREQ("100.48", _gc(xasprintf("%.2f", scalbln(pi, twopow))));
ASSERT_STREQ("100.48", _gc(xasprintf("%.2f", scalblnf(pi, twopow))));
#ifndef __aarch64__
// TODO: implement quad floating point in printf
ASSERT_STREQ("100.48", _gc(xasprintf("%.2Lf", _ldexpl(pi, twopow))));
ASSERT_STREQ("100.48", _gc(xasprintf("%.2Lf", scalbnl(pi, twopow))));
ASSERT_STREQ("100.48", _gc(xasprintf("%.2Lf", scalblnl(pi, twopow))));
#endif
}
BENCH(ldexpl, bench) {
double _ldexp(double, int) asm("ldexp");
float _ldexpf(float, int) asm("ldexpf");
long double _ldexpl(long double, int) asm("ldexpl");
EZBENCH2("ldexp", donothing, _ldexp(.7, 3)); /* ~1ns */
EZBENCH2("ldexpf", donothing, _ldexpf(.7, 3)); /* ~1ns */
EZBENCH2("ldexpl", donothing, _ldexpl(.7, 3)); /* ~7ns */
EZBENCH2("ldexp", donothing, _ldexp(.7, 3)); // ~2ns
EZBENCH2("ldexpf", donothing, _ldexpf(.7, 3)); // ~2ns
EZBENCH2("ldexpl", donothing, _ldexpl(.7, 3)); // ~8ns
}