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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [gcc/] [testsuite/] [gcc.dg/] [var-expand3.c] - Rev 716
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/* { dg-do run { target { powerpc*-*-* && vmx_hw } } }} */ /* { dg-options "-O2 -funroll-loops -ffast-math -fvariable-expansion-in-unroller -maltivec -fdump-rtl-loop2_unroll" } */ #include "altivec.h" extern void abort (void); extern void exit (int); #define N 256 float in1[N] __attribute__ ((__aligned__ (16))) = {0, 3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, 39, 42, 45, 48, 51, 54, 57}; float in2[N] __attribute__ ((__aligned__ (16))) = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19}; float foo (int n) { unsigned i; vector float vp1, vp2, vp3, vaccum, vzero, vtmp; float accum = 1.0; vzero = (vector float){0, 0, 0, 0}; vaccum = vzero; for (i = 0; i < n; i++) { vp1 = vec_ld (i * 16, in1); vp2 = vec_ld (i * 16, in2); vaccum = vec_madd (vp1, vp2, vaccum); } vtmp = vec_sld (vaccum, vaccum, 8); vp1 = vec_add (vaccum, vtmp); vtmp = vec_sld (vp1, vp1, 4); vp2 = vec_add (vp1, vtmp); vec_ste (vp2, 0, &accum); if (accum != 1518) return 0; return accum; } int main (void) { if (!foo (3)) abort (); exit (0); } /* { dg-final { scan-rtl-dump "Expanding Accumulator" "loop2_unroll" } } */ /* { dg-final { cleanup-rtl-dump "loop*" } } */
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