Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.target/powerpc/bmi-bextr-4.c @ 152:2b5abeee2509
update gcc11
author | anatofuz |
---|---|
date | Mon, 25 May 2020 07:50:57 +0900 |
parents | 04ced10e8804 |
children |
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/* { dg-do run } */ /* { dg-options "-O3 -fno-inline" } */ /* { dg-require-effective-target lp64 } */ /* { dg-require-effective-target ppc_cpu_supports_hw } */ #define NO_WARN_X86_INTRINSICS 1 #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 * 4; len = i * 4; src1 = src1 * 3; src2 = (start & 0xff) | ((len & 0xff) << 8); res_ref = calc_bextr_u32 (src1, src2); res = _bextr_u32 (src1, start, len); if (res != res_ref) abort(); } }