1 files changed, 0 insertions, 510 deletions
diff --git a/tinyc/tests/testfp.c b/tinyc/tests/testfp.c
deleted file mode 100644
index 63342b422..000000000
--- a/tinyc/tests/testfp.c
+++ /dev/null
@@ -1,510 +0,0 @@
-/*
- *  Test 128-bit floating-point arithmetic on arm64:
- *  build with two different compilers and compare the output.
- *
- *  Copyright (c) 2015 Edmund Grimley Evans
- *
- * Copying and distribution of this file, with or without modification,
- * are permitted in any medium without royalty provided the copyright
- * notice and this notice are preserved.  This file is offered as-is,
- * without any warranty.
- */
-
-#include <stdint.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-#define check(x) ((x) ? (void)0 : check_fail(#x, __FILE__, __LINE__))
-
-void check_fail(const char *assertion, const char *file, unsigned int line)
-{
-    printf("%s:%d: Check (%s) failed.", file, line, assertion);
-    exit(1);
-}
-
-typedef struct {
-    unsigned long long x0, x1;
-} u128_t;
-
-float copy_fi(uint32_t x)
-{
-    float f;
-    memcpy(&f, &x, 4);
-    return f;
-}
-
-double copy_di(uint64_t x)
-{
-    double f;
-    memcpy(&f, &x, 8);
-    return f;
-}
-
-long double copy_ldi(u128_t x)
-{
-    long double f;
-    memcpy(&f, &x, 16);
-    return f;
-}
-
-uint32_t copy_if(float f)
-{
-    uint32_t x;
-    memcpy(&x, &f, 4);
-    return x;
-}
-
-uint64_t copy_id(double f)
-{
-    uint64_t x;
-    memcpy(&x, &f, 8);
-    return x;
-}
-
-u128_t copy_ild(long double f)
-{
-    u128_t x;
-    memcpy(&x, &f, 16);
-    return x;
-}
-
-long double make(int sgn, int exp, uint64_t high, uint64_t low)
-{
-    u128_t x = { low,
-                 (0x0000ffffffffffff & high) |
-                 (0x7fff000000000000 & (uint64_t)exp << 48) |
-                 (0x8000000000000000 & (uint64_t)sgn << 63) };
-    return copy_ldi(x);
-}
-
-void cmp(long double a, long double b)
-{
-    u128_t ax = copy_ild(a);
-    u128_t bx = copy_ild(b);
-    int eq = (a == b);
-    int ne = (a != b);
-    int lt = (a < b);
-    int le = (a <= b);
-    int gt = (a > b);
-    int ge = (a >= b);
-
-    check(eq == 0 || eq == 1);
-    check(lt == 0 || lt == 1);
-    check(gt == 0 || gt == 1);
-    check(ne == !eq && le == (lt | eq) && ge == (gt | eq));
-    check(eq + lt + gt < 2);
-
-    printf("cmp %016llx%016llx %016llx%016llx %d %d %d\n",
-           ax.x1, ax.x0, bx.x1, bx.x0, lt, eq, gt);
-}
-
-void cmps(void)
-{
-    int i, j;
-
-    for (i = 0; i < 2; i++)
-        for (j = 0; j < 2; j++)
-            cmp(make(i, 0, 0, 0), make(j, 0, 0, 0));
-
-    for (i = 0; i < 2; i++) {
-        for (j = 0; j < 64; j++) {
-            long double f1 = make(i, 32767, (uint64_t)1 << j, 0);
-            long double f2 = make(i, 32767, 0, (uint64_t)1 << j);
-            cmp(f1, 0);
-            cmp(f2, 0);
-            cmp(0, f1);
-            cmp(0, f2);
-        }
-    }
-
-    for (i = 0; i < 6; i++)
-        for (j = 0; j < 6; j++)
-            cmp(make(i & 1, i >> 1, 0, 0),
-                make(j & 1, j >> 1, 0, 0));
-
-    for (i = 0; i < 2; i++) {
-        for (j = 0; j < 2; j++) {
-            int a, b;
-            for (a = 0; a < 2; a++) {
-                for (b = 0; b < 2; b++) {
-                    cmp(make(i, j, a, b), make(i, j, 0, 0));
-                    cmp(make(i, j, 0, 0), make(i, j, a, b));
-                }
-            }
-        }
-    }
-}
-
-void xop(const char *name, long double a, long double b, long double c)
-{
-    u128_t ax = copy_ild(a);
-    u128_t bx = copy_ild(b);
-    u128_t cx = copy_ild(c);
-    printf("%s %016llx%016llx %016llx%016llx %016llx%016llx\n",
-           name, ax.x1, ax.x0, bx.x1, bx.x0, cx.x1, cx.x0);
-}
-
-void fadd(long double a, long double b)
-{
-    xop("add", a, b, a + b);
-}
-
-void fsub(long double a, long double b)
-{
-    xop("sub", a, b, a - b);
-}
-
-void fmul(long double a, long double b)
-{
-    xop("mul", a, b, a * b);
-}
-
-void fdiv(long double a, long double b)
-{
-    xop("div", a, b, a / b);
-}
-
-void nanz(void)
-{
-    // Check NaNs:
-    {
-        long double x[7];
-        int i, j, n = 0;
-        x[n++] = make(0, 32000, 0x95132b76effc, 0xd79035214b4f8d53);
-        x[n++] = make(1, 32001, 0xbe71d7a51587, 0x30601c6815d6c3ac);
-        x[n++] = make(0, 32767, 0, 1);
-        x[n++] = make(0, 32767, (uint64_t)1 << 46, 0);
-        x[n++] = make(1, 32767, (uint64_t)1 << 47, 0);
-        x[n++] = make(1, 32767, 0x7596c7099ad5, 0xe25fed2c58f73fc9);
-        x[n++] = make(0, 32767, 0x835d143360f9, 0x5e315efb35630666);
-        check(n == sizeof(x) / sizeof(*x));
-        for (i = 0; i < n; i++) {
-            for (j = 0; j < n; j++) {
-                fadd(x[i], x[j]);
-                fsub(x[i], x[j]);
-                fmul(x[i], x[j]);
-                fdiv(x[i], x[j]);
-            }
-        }
-    }
-
-    // Check infinities and zeroes:
-    {
-        long double x[6];
-        int i, j, n = 0;
-        x[n++] = make(1, 32000, 0x62acda85f700, 0x47b6c9f35edc4044);
-        x[n++] = make(0, 32001, 0x94b7abf55af7, 0x9f425fe354428e19);
-        x[n++] = make(0, 32767, 0, 0);
-        x[n++] = make(1, 32767, 0, 0);
-        x[n++] = make(0, 0, 0, 0);
-        x[n++] = make(1, 0, 0, 0);
-        check(n == sizeof(x) / sizeof(*x));
-        for (i = 0; i < n; i++) {
-            for (j = 0; j < n; j++) {
-                fadd(x[i], x[j]);
-                fsub(x[i], x[j]);
-                fmul(x[i], x[j]);
-                fdiv(x[i], x[j]);
-            }
-        }
-    }
-}
-
-void adds(void)
-{
-    // Check shifting and add/sub:
-    {
-        int i;
-        for (i = -130; i <= 130; i++) {
-            int s1 = (uint32_t)i % 3 < 1;
-            int s2 = (uint32_t)i % 5 < 2;
-            fadd(make(s1, 16384    , 0x502c065e4f71a65d, 0xd2f9bdb031f4f031),
-                 make(s2, 16384 + i, 0xae267395a9bc1033, 0xb56b5800da1ba448));
-        }
-    }
-
-    // Check normalisation:
-    {
-        uint64_t a0 = 0xc6bab0a6afbef5ed;
-        uint64_t a1 = 0x4f84136c4a2e9b52;
-        int ee[] = { 0, 1, 10000 };
-        int e, i;
-        for (e = 0; e < sizeof(ee) / sizeof(*ee); e++) {
-            int exp = ee[e];
-            fsub(make(0, exp, a1, a0), make(0, 0, 0, 0));
-            for (i = 63; i >= 0; i--)
-                fsub(make(0, exp, a1 | (uint64_t)1 << i >> 1, a0),
-                     make(0, exp, a1 >> i << i, 0));
-            for (i = 63; i >=0; i--)
-                fsub(make(0, exp, a1, a0 | (uint64_t)1 << i >> 1),
-                     make(0, exp, a1, a0 >> i << i));
-        }
-    }
-
-    // Carry/overflow from rounding:
-    {
-        fadd(make(0, 114, -1, -1), make(0, 1, 0, 0));
-        fadd(make(0, 32766, -1, -1), make(0, 32653, 0, 0));
-        fsub(make(1, 32766, -1, -1), make(0, 32653, 0, 0));
-    }
-}
-
-void muls(void)
-{
-    int i, j;
-
-    {
-        long double max = make(0, 32766, -1, -1);
-        long double min = make(0, 0, 0, 1);
-        fmul(max, max);
-        fmul(max, min);
-        fmul(min, min);
-    }
-
-    for (i = 117; i > 0; i--)
-        fmul(make(0, 16268, 0x643dcea76edc, 0xe0877a598403627a),
-             make(i & 1, i, 0, 0));
-
-    fmul(make(0, 16383, -1, -3), make(0, 16383, 0, 1));
-    // Round to next exponent:
-    fmul(make(0, 16383, -1, -2), make(0, 16383, 0, 1));
-    // Round from subnormal to normal:
-    fmul(make(0, 1, -1, -1), make(0, 16382, 0, 0));
-
-    for (i = 0; i < 2; i++)
-        for (j = 0; j < 112; j++)
-            fmul(make(0, 16383, (uint64_t)1 << i, 0),
-                 make(0, 16383,
-                      j < 64 ? 0 : (uint64_t)1 << (j - 64),
-                      j < 64 ? (uint64_t)1 << j : 0));
-}
-
-void divs(void)
-{
-    int i;
-
-    {
-        long double max = make(0, 32766, -1, -1);
-        long double min = make(0, 0, 0, 1);
-        fdiv(max, max);
-        fdiv(max, min);
-        fdiv(min, max);
-        fdiv(min, min);
-    }
-
-    for (i = 0; i < 64; i++)
-        fdiv(make(0, 16383, -1, -1), make(0, 16383, -1, -(uint64_t)1 << i));
-    for (i = 0; i < 48; i++)
-        fdiv(make(0, 16383, -1, -1), make(0, 16383, -(uint64_t)1 << i, 0));
-}
-
-void cvtlsw(int32_t a)
-{
-    long double f = a;
-    u128_t x = copy_ild(f);
-    printf("cvtlsw %08lx %016llx%016llx\n", (long)(uint32_t)a, x.x1, x.x0);
-}
-
-void cvtlsx(int64_t a)
-{
-    long double f = a;
-    u128_t x = copy_ild(f);
-    printf("cvtlsx %016llx %016llx%016llx\n",
-           (long long)(uint64_t)a, x.x1, x.x0);
-}
-
-void cvtluw(uint32_t a)
-{
-    long double f = a;
-    u128_t x = copy_ild(f);
-    printf("cvtluw %08lx %016llx%016llx\n", (long)a, x.x1, x.x0);
-}
-
-void cvtlux(uint64_t a)
-{
-    long double f = a;
-    u128_t x = copy_ild(f);
-    printf("cvtlux %016llx %016llx%016llx\n", (long long)a, x.x1, x.x0);
-}
-
-void cvtil(long double a)
-{
-    u128_t x = copy_ild(a);
-    int32_t b1 = a;
-    int64_t b2 = a;
-    uint32_t b3 = a;
-    uint64_t b4 = a;
-    printf("cvtswl %016llx%016llx %08lx\n",
-           x.x1, x.x0, (long)(uint32_t)b1);
-    printf("cvtsxl %016llx%016llx %016llx\n",
-           x.x1, x.x0, (long long)(uint64_t)b2);
-    printf("cvtuwl %016llx%016llx %08lx\n",
-           x.x1, x.x0, (long)b3);
-    printf("cvtuxl %016llx%016llx %016llx\n",
-           x.x1, x.x0, (long long)b4);
-}
-
-void cvtlf(float a)
-{
-    uint32_t ax = copy_if(a);
-    long double b = a;
-    u128_t bx = copy_ild(b);
-    printf("cvtlf %08lx %016llx%016llx\n", (long)ax, bx.x1, bx.x0);
-}
-
-void cvtld(double a)
-{
-    uint64_t ax = copy_id(a);
-    long double b = a;
-    u128_t bx = copy_ild(b);
-    printf("cvtld %016llx %016llx%016llx\n", (long long)ax, bx.x1, bx.x0);
-}
-
-void cvtfl(long double a)
-{
-    u128_t ax = copy_ild(a);
-    float b = a;
-    uint32_t bx = copy_if(b);
-    printf("cvtfl %016llx%016llx %08lx\n", ax.x1, ax.x0, (long)bx);
-}
-
-void cvtdl(long double a)
-{
-    u128_t ax = copy_ild(a);
-    double b = a;
-    uint64_t bx = copy_id(b);
-    printf("cvtdl %016llx%016llx %016llx\n", ax.x1, ax.x0, (long long)bx);
-}
-
-void cvts(void)
-{
-    int i, j;
-
-    {
-        uint32_t x = 0xad040c5b;
-        cvtlsw(0);
-        for (i = 0; i < 31; i++)
-            cvtlsw(x >> (31 - i));
-        for (i = 0; i < 31; i++)
-            cvtlsw(-(x >> (31 - i)));
-        cvtlsw(0x80000000);
-    }
-    {
-        uint64_t x = 0xb630a248cad9afd2;
-        cvtlsx(0);
-        for (i = 0; i < 63; i++)
-            cvtlsx(x >> (63 - i));
-        for (i = 0; i < 63; i++)
-            cvtlsx(-(x >> (63 - i)));
-        cvtlsx(0x8000000000000000);
-    }
-    {
-        uint32_t x = 0xad040c5b;
-        cvtluw(0);
-        for (i = 0; i < 32; i++)
-            cvtluw(x >> (31 - i));
-    }
-    {
-        uint64_t x = 0xb630a248cad9afd2;
-        cvtlux(0);
-        for (i = 0; i < 64; i++)
-            cvtlux(x >> (63 - i));
-    }
-
-    for (i = 0; i < 2; i++) {
-        cvtil(make(i, 32767, 0, 1));
-        cvtil(make(i, 32767, (uint64_t)1 << 47, 0));
-        cvtil(make(i, 32767, 123, 456));
-        cvtil(make(i, 32767, 0, 0));
-        cvtil(make(i, 16382, -1, -1));
-        cvtil(make(i, 16383, -1, -1));
-        cvtil(make(i, 16384, 0x7fffffffffff, -1));
-        cvtil(make(i, 16384, 0x800000000000, 0));
-        for (j = 0; j < 68; j++)
-            cvtil(make(i, 16381 + j, 0xd4822c0a10ec, 0x1fe2f8b2669f5c9d));
-    }
-
-    cvtlf(copy_fi(0x00000000));
-    cvtlf(copy_fi(0x456789ab));
-    cvtlf(copy_fi(0x7f800000));
-    cvtlf(copy_fi(0x7f923456));
-    cvtlf(copy_fi(0x7fdbcdef));
-    cvtlf(copy_fi(0x80000000));
-    cvtlf(copy_fi(0xabcdef12));
-    cvtlf(copy_fi(0xff800000));
-    cvtlf(copy_fi(0xff923456));
-    cvtlf(copy_fi(0xffdbcdef));
-
-    cvtld(copy_di(0x0000000000000000));
-    cvtld(copy_di(0x456789abcdef0123));
-    cvtld(copy_di(0x7ff0000000000000));
-    cvtld(copy_di(0x7ff123456789abcd));
-    cvtld(copy_di(0x7ffabcdef1234567));
-    cvtld(copy_di(0x8000000000000000));
-    cvtld(copy_di(0xcdef123456789abc));
-    cvtld(copy_di(0xfff0000000000000));
-    cvtld(copy_di(0xfff123456789abcd));
-    cvtld(copy_di(0xfffabcdef1234567));
-
-    for (i = 0; i < 2; i++) {                   \
-        cvtfl(make(i, 0, 0, 0));
-        cvtfl(make(i, 16232, -1, -1));
-        cvtfl(make(i, 16233, 0, 0));
-        cvtfl(make(i, 16233, 0, 1));
-        cvtfl(make(i, 16383, 0xab0ffd000000, 0));
-        cvtfl(make(i, 16383, 0xab0ffd000001, 0));
-        cvtfl(make(i, 16383, 0xab0ffeffffff, 0));
-        cvtfl(make(i, 16383, 0xab0fff000000, 0));
-        cvtfl(make(i, 16383, 0xab0fff000001, 0));
-        cvtfl(make(i, 16510, 0xfffffeffffff, -1));
-        cvtfl(make(i, 16510, 0xffffff000000, 0));
-        cvtfl(make(i, 16511, 0, 0));
-        cvtfl(make(i, 32767, 0, 0));
-        cvtfl(make(i, 32767, 0, 1));
-        cvtfl(make(i, 32767, 0x4cbe01ac5f40, 0x75cee3c6afbb00b5));
-        cvtfl(make(i, 32767, 0x800000000000, 1));
-        cvtfl(make(i, 32767, 0xa11caaaf6a52, 0x696033e871eab099));
-    }
-
-    for (i = 0; i < 2; i++) {
-        cvtdl(make(i, 0, 0, 0));
-        cvtdl(make(i, 15307, -1, -1));
-        cvtdl(make(i, 15308, 0, 0));
-        cvtdl(make(i, 15308, 0, 1));
-        cvtdl(make(i, 16383, 0xabc123abc0ff, 0xe800000000000000));
-        cvtdl(make(i, 16383, 0xabc123abc0ff, 0xe800000000000001));
-        cvtdl(make(i, 16383, 0xabc123abc0ff, 0xf7ffffffffffffff));
-        cvtdl(make(i, 16383, 0xabc123abc0ff, 0xf800000000000000));
-        cvtdl(make(i, 16383, 0xabc123abc0ff, 0xf800000000000001));
-        cvtdl(make(i, 17406, 0xffffffffffff, 0xf7ffffffffffffff));
-        cvtdl(make(i, 17406, 0xffffffffffff, 0xf800000000000000));
-        cvtdl(make(i, 17407, 0, 0));
-        cvtdl(make(i, 32767, 0, 0));
-        cvtdl(make(i, 32767, 0, 1));
-        cvtdl(make(i, 32767, 0x4cbe01ac5f40, 0x75cee3c6afbb00b5));
-        cvtdl(make(i, 32767, 0x800000000000, 1));
-        cvtdl(make(i, 32767, 0xa11caaaf6a52, 0x696033e871eab099));
-    }
-}
-
-void tests(void)
-{
-    cmps();
-    nanz();
-    adds();
-    muls();
-    divs();
-    cvts();
-}
-
-int main()
-{
-#ifdef __aarch64__
-    tests();
-#else
-    printf("This test program is intended for a little-endian architecture\n"
-           "with an IEEE-standard 128-bit long double.\n");
-#endif
-    return 0;
-}