diff --git a/gcc/config/i386/i386-expand.cc b/gcc/config/i386/i386-expand.cc index def060a..6a28b67 100644 --- a/gcc/config/i386/i386-expand.cc +++ b/gcc/config/i386/i386-expand.cc @@ -521,7 +521,8 @@ ix86_expand_move (machine_mode mode, rtx operands[]) return; } } - else if (GET_MODE_SIZE (mode) >= 16) + else if (CONST_WIDE_INT_P (op1) + && GET_MODE_SIZE (mode) >= 16) { rtx tmp = ix86_convert_const_wide_int_to_broadcast (GET_MODE (op0), op1); @@ -696,8 +697,9 @@ ix86_expand_vector_move (machine_mode mode, rtx operands[]) return; } - /* Special case TImode to V1TImode conversions, via V2DI. */ - if (mode == V1TImode + /* Special case TImode to 128-bit vector conversions via V2DI. */ + if (VECTOR_MODE_P (mode) + && GET_MODE_SIZE (mode) == 16 && SUBREG_P (op1) && GET_MODE (SUBREG_REG (op1)) == TImode && TARGET_64BIT && TARGET_SSE @@ -709,7 +711,7 @@ ix86_expand_vector_move (machine_mode mode, rtx operands[]) emit_move_insn (lo, gen_lowpart (DImode, SUBREG_REG (op1))); emit_move_insn (hi, gen_highpart (DImode, SUBREG_REG (op1))); emit_insn (gen_vec_concatv2di (tmp, lo, hi)); - emit_move_insn (op0, gen_lowpart (V1TImode, tmp)); + emit_move_insn (op0, gen_lowpart (mode, tmp)); return; } diff --git a/gcc/testsuite/gcc.target/i386/sse2-v1ti-mov-2.c b/gcc/testsuite/gcc.target/i386/sse2-v1ti-mov-2.c new file mode 100644 index 0000000..7e89085 --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/sse2-v1ti-mov-2.c @@ -0,0 +1,16 @@ +/* { dg-do compile { target int128 } } */ +/* { dg-options "-O2 -msse2" } */ + +typedef unsigned __int128 uv1ti __attribute__ ((__vector_size__ (16))); +typedef unsigned long uv2di __attribute__ ((__vector_size__ (16))); +typedef unsigned int uv4si __attribute__ ((__vector_size__ (16))); +typedef unsigned short uv8hi __attribute__ ((__vector_size__ (16))); +typedef unsigned char uv16qi __attribute__ ((__vector_size__ (16))); + +uv1ti foo1(__int128 x) { return (uv1ti)x; } +uv2di foo2(__int128 x) { return (uv2di)x; } +uv4si foo4(__int128 x) { return (uv4si)x; } +uv8hi foo8(__int128 x) { return (uv8hi)x; } +uv16qi foo16(__int128 x) { return (uv16qi)x; } + +/* { dg-final { scan-assembler-not "%\[er\]sp" } } */