From d70a3ff650fcaa6f4247c4ae6173cd97a50eb00d Mon Sep 17 00:00:00 2001 From: Cyril SIX Date: Wed, 25 Sep 2019 11:03:32 +0200 Subject: Stub for builtins-mppa_k1c.c --- test/regression/builtins-mppa_k1c.c | 72 +++++++++++++++++++++++++++++++++++++ 1 file changed, 72 insertions(+) create mode 100644 test/regression/builtins-mppa_k1c.c (limited to 'test/regression') diff --git a/test/regression/builtins-mppa_k1c.c b/test/regression/builtins-mppa_k1c.c new file mode 100644 index 00000000..cbf51387 --- /dev/null +++ b/test/regression/builtins-mppa_k1c.c @@ -0,0 +1,72 @@ +/* Fun with builtins */ + +#include +#include + +char * check_relative_error(double exact, double actual, double precision) +{ + double relative_error = (actual - exact) / exact; + return fabs(relative_error) <= precision ? "OK" : "ERROR"; +} + +//unsigned int x = 0x12345678; +//unsigned int y = 0xDEADBEEF; +//unsigned long long xx = 0x1234567812345678ULL; +//double a = 3.14159; +//double b = 2.718; +//double c = 1.414; +//unsigned short s = 0x1234; + +int main(int argc, char ** argv) +{ + unsigned z; + + //printf("mulhw(%x, %x) = %x\n", x, y, __builtin_mulhw(x, y)); + //printf("mulhwu(%x, %x) = %x\n", x, y, __builtin_mulhwu(x, y)); + //printf("clz(%x) = %d\n", x, __builtin_clz(x)); + //printf("clzll(%llx) = %d\n", (unsigned long long) x, __builtin_clzll(x)); + //printf("clzll(%llx) = %d\n", xx, __builtin_clzll(xx)); + //z = __builtin_bswap(x); + //printf("clzll(%lx) = %d\n", z, __builtin_clzll(z)); + //printf("bswap(%x) = %x\n", x, __builtin_bswap(x)); + //printf("bswap16(%x) = %x\n", s, __builtin_bswap16(s)); + + //printf("fmadd(%f, %f, %f) = %f\n", a, b, c, __builtin_fmadd(a, b, c)); + //printf("fmsub(%f, %f, %f) = %f\n", a, b, c, __builtin_fmsub(a, b, c)); + //printf("fabs(%f) = %f\n", a, __builtin_fabs(a)); + //printf("fabs(%f) = %f\n", -a, __builtin_fabs(-a)); + //printf("fsqrt(%f) = %f\n", a, __builtin_fsqrt(a)); + //printf("frsqrte(%f) = %s\n", + // a, check_relative_error(1.0 / sqrt(a), __builtin_frsqrte(a), 1./32.)); + //printf("fres(%f) = %s\n", + // a, check_relative_error(1.0 / a, __builtin_fres(a), 1./256.)); + //printf("fsel(%f, %f, %f) = %f\n", a, b, c, __builtin_fsel(a, b, c)); + //printf("fsel(%f, %f, %f) = %f\n", -a, b, c, __builtin_fsel(-a, b, c)); + //printf("fcti(%f) = %d\n", a, __builtin_fcti(a)); + //printf("fcti(%f) = %d\n", b, __builtin_fcti(b)); + //printf("fcti(%f) = %d\n", c, __builtin_fcti(c)); + //__builtin_eieio(); + //__builtin_sync(); + //__builtin_isync(); + //printf("isel(%d, %d, %d) = %d\n", 0, x, y, __builtin_isel(0, x, y)); + //printf("isel(%d, %d, %d) = %d\n", 42, x, y, __builtin_isel(42, x, y)); + //printf ("read_16_rev = %x\n", __builtin_read16_reversed(&s)); + //printf ("read_32_rev = %x\n", __builtin_read32_reversed(&y)); + //__builtin_write16_reversed(&s, 0x789A); + //printf ("after write_16_rev: %x\n", s); + //__builtin_write32_reversed(&y, 0x12345678); + //printf ("after write_32_rev: %x\n", y); + //y = 0; + //__builtin_write32_reversed(&y, 0x12345678); + //printf ("CSE write_32_rev: %s\n", y == 0x78563412 ? "ok" : "ERROR"); + ///* Make sure that ignoring the result of a builtin + // doesn't cause an internal error */ + //(void) __builtin_bswap(x); + //(void) __builtin_fsqrt(a); + return 0; +} + + + + + -- cgit