From: Bruno Cardoso Lopes Date: Mon, 29 Aug 2011 17:51:24 +0000 (+0000) Subject: Move non-intruction patterns to a more appropriate place! X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=41dfabb0e301f319550731d46ba24a79b9fb0fdb;p=oota-llvm.git Move non-intruction patterns to a more appropriate place! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138744 91177308-0d34-0410-b5e6-96231b3b80d8 --- diff --git a/lib/Target/X86/X86InstrSSE.td b/lib/Target/X86/X86InstrSSE.td index 7434dbd4ff6..e8a38f5ed83 100644 --- a/lib/Target/X86/X86InstrSSE.td +++ b/lib/Target/X86/X86InstrSSE.td @@ -119,9 +119,42 @@ multiclass sse12_fp_packed_int opc, string OpcodeStr, RegisterClass RC, // Non-instruction patterns //===----------------------------------------------------------------------===// +// A vector extract of the first f32 position is a subregister copy def : Pat<(f32 (vector_extract (v4f32 VR128:$src), (iPTR 0))), (f32 (EXTRACT_SUBREG (v4f32 VR128:$src), sub_ss))>; +// A 128-bit subvector extract from the first 256-bit vector position +// is a subregister copy that needs no instruction. +def : Pat<(v4i32 (extract_subvector (v8i32 VR256:$src), (i32 0))), + (v4i32 (EXTRACT_SUBREG (v8i32 VR256:$src), sub_xmm))>; +def : Pat<(v4f32 (extract_subvector (v8f32 VR256:$src), (i32 0))), + (v4f32 (EXTRACT_SUBREG (v8f32 VR256:$src), sub_xmm))>; + +def : Pat<(v2i64 (extract_subvector (v4i64 VR256:$src), (i32 0))), + (v2i64 (EXTRACT_SUBREG (v4i64 VR256:$src), sub_xmm))>; +def : Pat<(v2f64 (extract_subvector (v4f64 VR256:$src), (i32 0))), + (v2f64 (EXTRACT_SUBREG (v4f64 VR256:$src), sub_xmm))>; + +def : Pat<(v8i16 (extract_subvector (v16i16 VR256:$src), (i32 0))), + (v8i16 (EXTRACT_SUBREG (v16i16 VR256:$src), sub_xmm))>; +def : Pat<(v16i8 (extract_subvector (v32i8 VR256:$src), (i32 0))), + (v16i8 (EXTRACT_SUBREG (v32i8 VR256:$src), sub_xmm))>; + +// A 128-bit subvector insert to the first 256-bit vector position +// is a subregister copy that needs no instruction. +def : Pat<(insert_subvector undef, (v2i64 VR128:$src), (i32 0)), + (INSERT_SUBREG (v4i64 (IMPLICIT_DEF)), VR128:$src, sub_xmm)>; +def : Pat<(insert_subvector undef, (v2f64 VR128:$src), (i32 0)), + (INSERT_SUBREG (v4f64 (IMPLICIT_DEF)), VR128:$src, sub_xmm)>; +def : Pat<(insert_subvector undef, (v4i32 VR128:$src), (i32 0)), + (INSERT_SUBREG (v8i32 (IMPLICIT_DEF)), VR128:$src, sub_xmm)>; +def : Pat<(insert_subvector undef, (v4f32 VR128:$src), (i32 0)), + (INSERT_SUBREG (v8f32 (IMPLICIT_DEF)), VR128:$src, sub_xmm)>; +def : Pat<(insert_subvector undef, (v8i16 VR128:$src), (i32 0)), + (INSERT_SUBREG (v16i16 (IMPLICIT_DEF)), VR128:$src, sub_xmm)>; +def : Pat<(insert_subvector undef, (v16i8 VR128:$src), (i32 0)), + (INSERT_SUBREG (v32i8 (IMPLICIT_DEF)), VR128:$src, sub_xmm)>; + // Implicitly promote a 32-bit scalar to a vector. def : Pat<(v4f32 (scalar_to_vector FR32:$src)), (INSERT_SUBREG (v4f32 (IMPLICIT_DEF)), FR32:$src, sub_ss)>; @@ -5951,20 +5984,6 @@ def : Pat<(vinsertf128_insert:$ins (v16i16 VR256:$src1), (v8i16 VR128:$src2), (VINSERTF128rr VR256:$src1, VR128:$src2, (INSERT_get_vinsertf128_imm VR256:$ins))>; -// Special COPY patterns -def : Pat<(insert_subvector undef, (v2i64 VR128:$src), (i32 0)), - (INSERT_SUBREG (v4i64 (IMPLICIT_DEF)), VR128:$src, sub_xmm)>; -def : Pat<(insert_subvector undef, (v2f64 VR128:$src), (i32 0)), - (INSERT_SUBREG (v4f64 (IMPLICIT_DEF)), VR128:$src, sub_xmm)>; -def : Pat<(insert_subvector undef, (v4i32 VR128:$src), (i32 0)), - (INSERT_SUBREG (v8i32 (IMPLICIT_DEF)), VR128:$src, sub_xmm)>; -def : Pat<(insert_subvector undef, (v4f32 VR128:$src), (i32 0)), - (INSERT_SUBREG (v8f32 (IMPLICIT_DEF)), VR128:$src, sub_xmm)>; -def : Pat<(insert_subvector undef, (v8i16 VR128:$src), (i32 0)), - (INSERT_SUBREG (v16i16 (IMPLICIT_DEF)), VR128:$src, sub_xmm)>; -def : Pat<(insert_subvector undef, (v16i8 VR128:$src), (i32 0)), - (INSERT_SUBREG (v32i8 (IMPLICIT_DEF)), VR128:$src, sub_xmm)>; - //===----------------------------------------------------------------------===// // VEXTRACTF128 - Extract packed floating-point values // @@ -6009,23 +6028,6 @@ def : Pat<(vextractf128_extract:$ext VR256:$src1, (i32 imm)), (v32i8 VR256:$src1), (EXTRACT_get_vextractf128_imm VR128:$ext)))>; -// Special COPY patterns -def : Pat<(v4i32 (extract_subvector (v8i32 VR256:$src), (i32 0))), - (v4i32 (EXTRACT_SUBREG (v8i32 VR256:$src), sub_xmm))>; -def : Pat<(v4f32 (extract_subvector (v8f32 VR256:$src), (i32 0))), - (v4f32 (EXTRACT_SUBREG (v8f32 VR256:$src), sub_xmm))>; - -def : Pat<(v2i64 (extract_subvector (v4i64 VR256:$src), (i32 0))), - (v2i64 (EXTRACT_SUBREG (v4i64 VR256:$src), sub_xmm))>; -def : Pat<(v2f64 (extract_subvector (v4f64 VR256:$src), (i32 0))), - (v2f64 (EXTRACT_SUBREG (v4f64 VR256:$src), sub_xmm))>; - -def : Pat<(v8i16 (extract_subvector (v16i16 VR256:$src), (i32 0))), - (v8i16 (EXTRACT_SUBREG (v16i16 VR256:$src), sub_xmm))>; -def : Pat<(v16i8 (extract_subvector (v32i8 VR256:$src), (i32 0))), - (v16i8 (EXTRACT_SUBREG (v32i8 VR256:$src), sub_xmm))>; - - //===----------------------------------------------------------------------===// // VMASKMOV - Conditional SIMD Packed Loads and Stores //