From 468f0c4407895557ca8089430f894a85f06afe97 Mon Sep 17 00:00:00 2001 From: xleroy Date: Sat, 20 Apr 2013 17:46:58 +0000 Subject: Add __builtin_bswap16 and __builtin_bswap32 to all ports. Remove __builtin_{read,write}_reversed from IA32 and ARM ports. Machregs: tighten destroyed_by_builtin Packedstructs: use bswap if read/write-reversed not available. git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@2208 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e --- test/regression/builtins-powerpc.c | 48 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 48 insertions(+) create mode 100644 test/regression/builtins-powerpc.c (limited to 'test/regression/builtins-powerpc.c') diff --git a/test/regression/builtins-powerpc.c b/test/regression/builtins-powerpc.c new file mode 100644 index 00000000..9f0d4109 --- /dev/null +++ b/test/regression/builtins-powerpc.c @@ -0,0 +1,48 @@ +/* Fun with builtins */ + +#include + +int main(int argc, char ** argv) +{ + unsigned int x = 0x12345678; + unsigned int y = 0xDEADBEEF; + double a = 3.14159; + double b = 2.718; + double c = 1.414; + unsigned short s = 0x1234; + + 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("cntlz(%x) = %d\n", x, __builtin_cntlz(x)); + 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) = %f\n", a, __builtin_frsqrte(a)); + printf("fres(%f) = %f\n", a, __builtin_fres(a)); + 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 ("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); + + return 0; +} + + + + + -- cgit