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break; + BUILTIN_VDC (BINOP, combine, 0, AUTO_FP) + BUILTIN_VD_I (BINOPU, combine, 0, NONE) + BUILTIN_VDC_P (BINOPP, combine, 0, NONE) + { + tree first_part, second_part; + if (BYTES_BIG_ENDIAN) + { + second_part = args[0]; + first_part = args[1]; + } + else + { + first_part = args[0]; + second_part = args[1]; + } + tree ret_type = TREE_TYPE (gimple_call_lhs (stmt)); + tree ctor = build_constructor_va (ret_type, 2, NULL_TREE, first_part, + NULL_TREE, second_part); + new_stmt = gimple_build_assign (gimple_call_lhs (stmt), ctor); + } + break; + /*lower store and load neon builtins to gimple. */ BUILTIN_VALL_F16 (LOAD1, ld1, 0, LOAD) BUILTIN_VDQ_I (LOAD1_U, ld1, 0, LOAD) diff --git a/gcc/testsuite/gcc.target/aarch64/advsimd-intrinsics/combine.c b/gcc/testsuite/gcc.target/aarch64/advsimd-intrinsics/combine.c new file mode 100644 index 0000000000000000000000000000000000000000..d08faf7a4a160a1e83428ed9b270731bbf7b8c8a --- /dev/null +++ b/gcc/testsuite/gcc.target/aarch64/advsimd-intrinsics/combine.c @@ -0,0 +1,18 @@ +/* { dg-do compile { target { aarch64*-*-* } } } */ +/* { dg-final { check-function-bodies "**" "" {-O[^0]} } } */ +/* { dg-skip-if "" { *-*-* } { "-fno-fat-lto-objects" } } */ + +#include + +/* +** foo: +** umov w0, v1\.s\[1\] +** ret +*/ + +int32_t foo (int32x2_t a, int32x2_t b) +{ + int32x4_t c = vcombine_s32(a, b); + return vgetq_lane_s32(c, 3); +} +