From: Evan Cheng <evan.cheng@apple.com>
Date: Wed, 28 Oct 2009 06:30:34 +0000 (+0000)
Subject: X86 palignr intrinsics immediate field is in bits. ISel must transform it into bytes.
X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=89321166da67fb688e94ab9e5ad0c40de4a18cdb;p=oota-llvm.git

X86 palignr intrinsics immediate field is in bits. ISel must transform it into bytes.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85379 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Target/X86/X86InstrSSE.td b/lib/Target/X86/X86InstrSSE.td
index f4e97c9a171..3ab3bff75b9 100644
--- a/lib/Target/X86/X86InstrSSE.td
+++ b/lib/Target/X86/X86InstrSSE.td
@@ -174,7 +174,8 @@ def fp32imm0 : PatLeaf<(f32 fpimm), [{
   return N->isExactlyValue(+0.0);
 }]>;
 
-def PSxLDQ_imm  : SDNodeXForm<imm, [{
+// BYTE_imm - Transform bit immediates into byte immediates.
+def BYTE_imm  : SDNodeXForm<imm, [{
   // Transformation function: imm >> 3
   return getI32Imm(N->getZExtValue() >> 3);
 }]>;
@@ -1996,21 +1997,21 @@ let Constraints = "$src1 = $dst", neverHasSideEffects = 1 in {
 
 let Predicates = [HasSSE2] in {
   def : Pat<(int_x86_sse2_psll_dq VR128:$src1, imm:$src2),
-            (v2i64 (PSLLDQri VR128:$src1, (PSxLDQ_imm imm:$src2)))>;
+            (v2i64 (PSLLDQri VR128:$src1, (BYTE_imm imm:$src2)))>;
   def : Pat<(int_x86_sse2_psrl_dq VR128:$src1, imm:$src2),
-            (v2i64 (PSRLDQri VR128:$src1, (PSxLDQ_imm imm:$src2)))>;
+            (v2i64 (PSRLDQri VR128:$src1, (BYTE_imm imm:$src2)))>;
   def : Pat<(int_x86_sse2_psll_dq_bs VR128:$src1, imm:$src2),
             (v2i64 (PSLLDQri VR128:$src1, imm:$src2))>;
   def : Pat<(int_x86_sse2_psrl_dq_bs VR128:$src1, imm:$src2),
             (v2i64 (PSRLDQri VR128:$src1, imm:$src2))>;
   def : Pat<(v2f64 (X86fsrl VR128:$src1, i32immSExt8:$src2)),
-            (v2f64 (PSRLDQri VR128:$src1, (PSxLDQ_imm imm:$src2)))>;
+            (v2f64 (PSRLDQri VR128:$src1, (BYTE_imm imm:$src2)))>;
 
   // Shift up / down and insert zero's.
   def : Pat<(v2i64 (X86vshl  VR128:$src, (i8 imm:$amt))),
-            (v2i64 (PSLLDQri VR128:$src, (PSxLDQ_imm imm:$amt)))>;
+            (v2i64 (PSLLDQri VR128:$src, (BYTE_imm imm:$amt)))>;
   def : Pat<(v2i64 (X86vshr  VR128:$src, (i8 imm:$amt))),
-            (v2i64 (PSRLDQri VR128:$src, (PSxLDQ_imm imm:$amt)))>;
+            (v2i64 (PSRLDQri VR128:$src, (BYTE_imm imm:$amt)))>;
 }
 
 // Logical
@@ -2822,37 +2823,41 @@ let Constraints = "$src1 = $dst" in {
   def PALIGNR64rr  : SS3AI<0x0F, MRMSrcReg, (outs VR64:$dst),
                            (ins VR64:$src1, VR64:$src2, i16imm:$src3),
                            "palignr\t{$src3, $src2, $dst|$dst, $src2, $src3}",
-                           [(set VR64:$dst,
-                             (int_x86_ssse3_palign_r
-                              VR64:$src1, VR64:$src2,
-                              imm:$src3))]>;
+                           []>;
   def PALIGNR64rm  : SS3AI<0x0F, MRMSrcMem, (outs VR64:$dst),
                            (ins VR64:$src1, i64mem:$src2, i16imm:$src3),
                            "palignr\t{$src3, $src2, $dst|$dst, $src2, $src3}",
-                           [(set VR64:$dst,
-                             (int_x86_ssse3_palign_r
-                              VR64:$src1,
-                              (bitconvert (memopv2i32 addr:$src2)),
-                              imm:$src3))]>;
+                           []>;
 
   def PALIGNR128rr : SS3AI<0x0F, MRMSrcReg, (outs VR128:$dst),
                            (ins VR128:$src1, VR128:$src2, i32imm:$src3),
                            "palignr\t{$src3, $src2, $dst|$dst, $src2, $src3}",
-                           [(set VR128:$dst,
-                             (int_x86_ssse3_palign_r_128
-                              VR128:$src1, VR128:$src2,
-                              imm:$src3))]>, OpSize;
+                           []>, OpSize;
   def PALIGNR128rm : SS3AI<0x0F, MRMSrcMem, (outs VR128:$dst),
                            (ins VR128:$src1, i128mem:$src2, i32imm:$src3),
                            "palignr\t{$src3, $src2, $dst|$dst, $src2, $src3}",
-                           [(set VR128:$dst,
-                             (int_x86_ssse3_palign_r_128
-                              VR128:$src1,
-                              (bitconvert (memopv4i32 addr:$src2)),
-                              imm:$src3))]>, OpSize;
+                           []>, OpSize;
 }
 
 // palignr patterns.
+def : Pat<(int_x86_ssse3_palign_r VR64:$src1, VR64:$src2, (i16 imm:$src3)),
+          (PALIGNR64rr VR64:$src1, VR64:$src2, (BYTE_imm imm:$src3))>,
+          Requires<[HasSSSE3]>;
+def : Pat<(int_x86_ssse3_palign_r VR64:$src1,
+                                      (memop64 addr:$src2),
+                                      (i16 imm:$src3)),
+          (PALIGNR64rm VR64:$src1, addr:$src2, (BYTE_imm imm:$src3))>,
+          Requires<[HasSSSE3]>;
+
+def : Pat<(int_x86_ssse3_palign_r_128 VR128:$src1, VR128:$src2, (i32 imm:$src3)),
+          (PALIGNR128rr VR128:$src1, VR128:$src2, (BYTE_imm imm:$src3))>,
+          Requires<[HasSSSE3]>;
+def : Pat<(int_x86_ssse3_palign_r_128 VR128:$src1,
+                                      (memopv2i64 addr:$src2),
+                                      (i32 imm:$src3)),
+          (PALIGNR128rm VR128:$src1, addr:$src2, (BYTE_imm imm:$src3))>,
+          Requires<[HasSSSE3]>;
+
 let AddedComplexity = 5 in {
 def : Pat<(v4i32 (palign:$src3 VR128:$src1, VR128:$src2)),
           (PALIGNR128rr VR128:$src2, VR128:$src1,