1 /* { dg-do run } */ 2 /* { dg-options "-O3 -fno-inline" } */ 3 /* { dg-require-effective-target lp64 } */ 4 /* { dg-require-effective-target ppc_cpu_supports_hw } */ 5 6 #define NO_WARN_X86_INTRINSICS 1 7 #include <x86intrin.h> 8 #include "bmi-check.h" 9 calc_bextr_u32(unsigned src1,unsigned src2)10unsigned calc_bextr_u32 (unsigned src1, unsigned src2) 11 { 12 unsigned res = 0; 13 unsigned char start = (src2 & 0xff); 14 unsigned char len = (int) ((src2 >> 8) & 0xff); 15 if (start < 32) { 16 unsigned i; 17 unsigned last = (start+len) < 32 ? start+len : 32; 18 19 src1 >>= start; 20 for (i=start; i<last; ++i) { 21 res |= (src1 & 1) << (i-start); 22 src1 >>= 1; 23 } 24 } 25 26 return res; 27 } 28 29 static void bmi_test()30bmi_test () 31 { 32 unsigned i; 33 unsigned char start, len; 34 unsigned src1 = 0xfacec0ff; 35 unsigned res, res_ref, src2; 36 37 for (i=0; i<5; ++i) { 38 start = (i * 1983) % 32; 39 len = (i + (i * 1983)) % 32; 40 41 src1 = src1 * 3; 42 src2 = start | (((unsigned)len) << 8); 43 44 res_ref = calc_bextr_u32 (src1, src2); 45 res = __bextr_u32 (src1, src2); 46 47 if (res != res_ref) 48 abort(); 49 } 50 } 51