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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [gcc/] [testsuite/] [gcc.target/] [i386/] [bmi-bextr-2.c] - Rev 700
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/* { dg-do run { target { bmi } } } */ /* { dg-require-effective-target bmi } */ /* { dg-options "-O2 -mbmi -fno-inline" } */ #include <x86intrin.h> #include "bmi-check.h" unsigned calc_bextr_u32 (unsigned src1, unsigned src2) { unsigned res = 0; unsigned char start = (src2 & 0xff); unsigned char len = (int) ((src2 >> 8) & 0xff); if (start < 32) { unsigned i; unsigned last = (start+len) < 32 ? start+len : 32; src1 >>= start; for (i=start; i<last; ++i) { res |= (src1 & 1) << (i-start); src1 >>= 1; } } return res; } static void bmi_test () { unsigned i; unsigned char start, len; unsigned src1 = 0xfacec0ff; unsigned res, res_ref, src2; for (i=0; i<5; ++i) { start = (i * 1983) % 32; len = i + (i * 1983) % 32; src1 = src1 * 3; src2 = start | (((unsigned)len) << 8); res_ref = calc_bextr_u32 (src1, src2); res = __bextr_u32 (src1, src2); if (res != res_ref) abort(); } }
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