diff --git a/gcc/match.pd b/gcc/match.pd index b7d7a5db6a968d321aa2c029b0d7fd750d077975..e89ba57e30b7cbabbb7d14b0cf0e5417fafd4b56 100644 --- a/gcc/match.pd +++ b/gcc/match.pd @@ -8103,7 +8103,8 @@ and, poly_uint64 wide_nunits; scalar_mode inner_mode = GET_MODE_INNER (vec_mode); } - (if (sel.series_p (0, 2, 0, 2) + (if (VECTOR_MODE_P (vec_mode) + && sel.series_p (0, 2, 0, 2) && sel.series_p (1, 2, nelts + 1, 2) && GET_MODE_2XWIDER_MODE (inner_mode).exists (&wide_elt_mode) && multiple_p (GET_MODE_NUNITS (vec_mode), 2, &wide_nunits) diff --git a/gcc/testsuite/gcc.dg/pr109583.c b/gcc/testsuite/gcc.dg/pr109583.c new file mode 100644 index 0000000000000000000000000000000000000000..e3fea3d510c6759e3846442fcc086300c4ef4a40 --- /dev/null +++ b/gcc/testsuite/gcc.dg/pr109583.c @@ -0,0 +1,25 @@ +/* PR tree-optimization/109583 */ +/* { dg-do compile } */ +/* { dg-options "-O1 -Wno-psabi" } */ +/* { dg-additional-options "-mno-avx" { target i?86-*-* x86_64-*-* } } */ + +typedef float v8sf __attribute__((vector_size (8 * sizeof (float)))); +typedef int v8si __attribute__((vector_size (8 * sizeof (int)))); + +#if __SIZEOF_INT__ == __SIZEOF_FLOAT__ +v8sf +foo (v8sf x, v8sf y) +{ + v8sf a = x - y; + v8sf b = x + y; + return __builtin_shuffle (a, b, (v8si) { 0, 9, 2, 11, 4, 13, 6, 15 }); +} + +v8sf +bar (v8sf x, v8sf y) +{ + v8sf a = x + y; + v8sf b = x - y; + return __builtin_shuffle (a, b, (v8si) { 0, 9, 2, 11, 4, 13, 6, 15 }); +} +#endif