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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [testsuite/] [gcc.target/] [powerpc/] [altivec-cell-8.c] - Rev 325
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/* { dg-do run { target { powerpc*-*-* && cell_hw } } } */ /* { dg-do compile { target { powerpc*-*-* && { ! cell_hw } } } } */ /* { dg-require-effective-target powerpc_ppu_ok } */ /* { dg-options "-O2 -maltivec -mabi=altivec -mcpu=cell" } */ #include <altivec.h> #include <string.h> extern void abort (void); typedef short int sint16; typedef signed char int8; int main1(void) __attribute__((noinline)); int main1(void) { sint16 test_vector[4] = { 1678, -2356, 19246, -17892 }; int8 test_dst[128] __attribute__(( aligned( 16 ))); float test_out[4] __attribute__(( aligned( 16 ))); int p; for( p = 0; p < 24; ++p ) { memset( test_dst, 0, 128 ); memcpy( &test_dst[p], test_vector, 8 ); { vector float VR, VL, V; /* load the righthand section of the misaligned vector */ VR = (vector float) vec_lvrx( 8, &test_dst[p] ); VL = (vector float) vec_lvlx( 0, &test_dst[p] ); /* Vector Shift Left Double by Octet Immediate, move the right hand section into the bytes */ VR = vec_vsldoi( VR, VR, 2 << 2 ); /* or those two together */ V = vec_vor( VL, VR ); /* sign extend */ V = (vector float) vec_vupkhsh((vector bool short)V ); /* fixed to float by S16_SHIFT_BITS bits */ V = (vector float) vec_vcfsx ((vector signed int)V, 5 ); vec_stvx( V, 0, &test_out[0] ); if (test_out[0] != 52.437500) abort (); if (test_out[1] != -73.625000) abort (); if (test_out[2] != 601.437500) abort (); if (test_out[3] != -559.125000) abort (); } } return 0; } int main(void) { return main1(); }
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