From 56e73013c73868742a46cf49cf2d689d4c57661c Mon Sep 17 00:00:00 2001 From: Evan Cheng Date: Mon, 10 Apr 2006 21:42:19 +0000 Subject: [PATCH] Added some missing shuffle patterns. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27564 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/Target/X86/X86InstrSSE.td | 27 ++++++++++++++++++++++----- 1 file changed, 22 insertions(+), 5 deletions(-) diff --git a/lib/Target/X86/X86InstrSSE.td b/lib/Target/X86/X86InstrSSE.td index e8667b52988..4664440445f 100644 --- a/lib/Target/X86/X86InstrSSE.td +++ b/lib/Target/X86/X86InstrSSE.td @@ -1365,7 +1365,7 @@ def PSHUFHWmi : Ii8<0x70, MRMSrcMem, (ops VR128:$dst, i128mem:$src1, i8imm:$src2), "pshufhw {$src2, $src1, $dst|$dst, $src1, $src2}", [(set VR128:$dst, (v8i16 (vector_shuffle - (bc_v8i16 (loadv2i64 addr:$src1)), (undef), + (load addr:$src1), (undef), PSHUFHW_shuffle_mask:$src2)))]>, XS, Requires<[HasSSE2]>; @@ -1381,7 +1381,7 @@ def PSHUFLWmi : Ii8<0x70, MRMSrcMem, (ops VR128:$dst, i128mem:$src1, i32i8imm:$src2), "pshuflw {$src2, $src1, $dst|$dst, $src1, $src2}", [(set VR128:$dst, (v8i16 (vector_shuffle - (bc_v8i16 (loadv2i64 addr:$src1)), (undef), + (load addr:$src1), (undef), PSHUFLW_shuffle_mask:$src2)))]>, XD, Requires<[HasSSE2]>; @@ -1823,11 +1823,28 @@ def : Pat<(vector_shuffle (v4i32 VR128:$src1), (load addr:$src2), (v4i32 (SHUFPSrm VR128:$src1, addr:$src2, SHUFP_int_shuffle_mask:$sm))>, Requires<[HasSSE2]>; -// Shuffle v4f32 with PSHUF* if others do not match. +// Special pshuf* cases: folding (bit_convert (loadv2i64 addr)). +def : Pat<(v4i32 (vector_shuffle (bc_v4i32 (loadv2i64 addr:$src1)), (undef), + PSHUFD_shuffle_mask:$src2)), + (PSHUFDmi addr:$src1, PSHUFD_shuffle_mask:$src2)>, + Requires<[HasSSE2]>; +def : Pat<(v8i16 (vector_shuffle (bc_v8i16 (loadv2i64 addr:$src1)), (undef), + PSHUFHW_shuffle_mask:$src2)), + (PSHUFHWmi addr:$src1, PSHUFHW_shuffle_mask:$src2)>, + Requires<[HasSSE2]>; +def : Pat<(v8i16 (vector_shuffle (bc_v8i16 (loadv2i64 addr:$src1)), (undef), + PSHUFLW_shuffle_mask:$src2)), + (PSHUFLWmi addr:$src1, PSHUFHW_shuffle_mask:$src2)>, + Requires<[HasSSE2]>; + + +// Special SHUFPSrr case: looks like a PSHUFD, like make both operands src1. +// FIXME: when we want non two-address code, then we should use PSHUFD! def : Pat<(vector_shuffle (v4f32 VR128:$src1), (undef), PSHUFD_fp_shuffle_mask:$sm), - (v4f32 (PSHUFDri VR128:$src1, PSHUFD_fp_shuffle_mask:$sm))>, - Requires<[HasSSE2]>; + (v4f32 (SHUFPSrr VR128:$src1, VR128:$src1, PSHUFD_fp_shuffle_mask:$sm))>, + Requires<[HasSSE1]>; +// Shuffle v4f32 with PSHUF* if others do not match. def : Pat<(vector_shuffle (loadv4f32 addr:$src1), (undef), PSHUFD_fp_shuffle_mask:$sm), (v4f32 (PSHUFDmi addr:$src1, PSHUFD_fp_shuffle_mask:$sm))>,