From 3949b8382d7ebc53dcda89eea7fbc81fb8fd91d9 Mon Sep 17 00:00:00 2001
From: Craig Topper <craig.topper@gmail.com>
Date: Wed, 6 Jun 2012 06:45:27 +0000
Subject: [PATCH] Mark several instructions SSE2 instead of SSE3 as they should
 be.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158049 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Target/X86/X86InstrFormats.td |  3 +++
 lib/Target/X86/X86InstrSSE.td     | 17 ++++++++---------
 2 files changed, 11 insertions(+), 9 deletions(-)

diff --git a/lib/Target/X86/X86InstrFormats.td b/lib/Target/X86/X86InstrFormats.td
index fab30248d8b..38f190aa712 100644
--- a/lib/Target/X86/X86InstrFormats.td
+++ b/lib/Target/X86/X86InstrFormats.td
@@ -378,6 +378,9 @@ class SDI<bits<8> o, Format F, dag outs, dag ins, string asm,
 class SDIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
             list<dag> pattern, InstrItinClass itin = IIC_DEFAULT>
       : Ii8<o, F, outs, ins, asm, pattern, itin>, XD, Requires<[HasSSE2]>;
+class SSDI<bits<8> o, Format F, dag outs, dag ins, string asm,
+          list<dag> pattern, InstrItinClass itin = IIC_DEFAULT>
+      : I<o, F, outs, ins, asm, pattern, itin>, XS, Requires<[HasSSE2]>;
 class SSDIi8<bits<8> o, Format F, dag outs, dag ins, string asm,
              list<dag> pattern, InstrItinClass itin = IIC_DEFAULT>
       : Ii8<o, F, outs, ins, asm, pattern>, XS, Requires<[HasSSE2]>;
diff --git a/lib/Target/X86/X86InstrSSE.td b/lib/Target/X86/X86InstrSSE.td
index 3963ab93e78..56542494b22 100644
--- a/lib/Target/X86/X86InstrSSE.td
+++ b/lib/Target/X86/X86InstrSSE.td
@@ -1813,7 +1813,6 @@ def Int_CVTDQ2PSrm : I<0x5B, MRMSrcMem, (outs VR128:$dst), (ins i128mem:$src),
                                         IIC_SSE_CVT_PS_RM>,
                      TB, Requires<[HasSSE2]>;
 
-// FIXME: why the non-intrinsic version is described as SSE3?
 // SSE2 instructions with XS prefix
 def Int_VCVTDQ2PDrr : I<0xE6, MRMSrcReg, (outs VR128:$dst), (ins VR128:$src),
                        "vcvtdq2pd\t{$src, $dst|$dst, $src}",
@@ -4603,7 +4602,7 @@ def MOVPQIto64rr : RPDI<0x7E, MRMDestReg, (outs GR64:$dst), (ins VR128:$src),
 // Bitcast FR64 <-> GR64
 //
 let Predicates = [HasAVX] in
-def VMOV64toSDrm : S3SI<0x7E, MRMSrcMem, (outs FR64:$dst), (ins i64mem:$src),
+def VMOV64toSDrm : SSDI<0x7E, MRMSrcMem, (outs FR64:$dst), (ins i64mem:$src),
                         "vmovq\t{$src, $dst|$dst, $src}",
                         [(set FR64:$dst, (bitconvert (loadi64 addr:$src)))]>,
                         VEX;
@@ -4616,7 +4615,7 @@ def VMOVSDto64mr : VRPDI<0x7E, MRMDestMem, (outs), (ins i64mem:$dst, FR64:$src),
                          [(store (i64 (bitconvert FR64:$src)), addr:$dst)],
                          IIC_SSE_MOVDQ>, VEX;
 
-def MOV64toSDrm : S3SI<0x7E, MRMSrcMem, (outs FR64:$dst), (ins i64mem:$src),
+def MOV64toSDrm : SSDI<0x7E, MRMSrcMem, (outs FR64:$dst), (ins i64mem:$src),
                        "movq\t{$src, $dst|$dst, $src}",
                        [(set FR64:$dst, (bitconvert (loadi64 addr:$src)))],
                        IIC_SSE_MOVDQ>;
@@ -4930,20 +4929,20 @@ def : Pat<(v4i32 (fp_to_sint (memopv4f64 addr:$src))),
 
 // Convert Packed DW Integers to Packed Double FP
 let Predicates = [HasAVX] in {
-def VCVTDQ2PDrm  : S3SI<0xE6, MRMSrcMem, (outs VR128:$dst), (ins f128mem:$src),
+def VCVTDQ2PDrm  : SSDI<0xE6, MRMSrcMem, (outs VR128:$dst), (ins f128mem:$src),
                      "vcvtdq2pd\t{$src, $dst|$dst, $src}", []>, VEX;
-def VCVTDQ2PDrr  : S3SI<0xE6, MRMSrcReg, (outs VR128:$dst), (ins VR128:$src),
+def VCVTDQ2PDrr  : SSDI<0xE6, MRMSrcReg, (outs VR128:$dst), (ins VR128:$src),
                      "vcvtdq2pd\t{$src, $dst|$dst, $src}", []>, VEX;
-def VCVTDQ2PDYrm  : S3SI<0xE6, MRMSrcMem, (outs VR256:$dst), (ins f128mem:$src),
+def VCVTDQ2PDYrm  : SSDI<0xE6, MRMSrcMem, (outs VR256:$dst), (ins f128mem:$src),
                      "vcvtdq2pd\t{$src, $dst|$dst, $src}", []>, VEX;
-def VCVTDQ2PDYrr  : S3SI<0xE6, MRMSrcReg, (outs VR256:$dst), (ins VR128:$src),
+def VCVTDQ2PDYrr  : SSDI<0xE6, MRMSrcReg, (outs VR256:$dst), (ins VR128:$src),
                      "vcvtdq2pd\t{$src, $dst|$dst, $src}", []>, VEX;
 }
 
-def CVTDQ2PDrm  : S3SI<0xE6, MRMSrcMem, (outs VR128:$dst), (ins f128mem:$src),
+def CVTDQ2PDrm  : SSDI<0xE6, MRMSrcMem, (outs VR128:$dst), (ins f128mem:$src),
                        "cvtdq2pd\t{$src, $dst|$dst, $src}", [],
                        IIC_SSE_CVT_PD_RR>;
-def CVTDQ2PDrr  : S3SI<0xE6, MRMSrcReg, (outs VR128:$dst), (ins VR128:$src),
+def CVTDQ2PDrr  : SSDI<0xE6, MRMSrcReg, (outs VR128:$dst), (ins VR128:$src),
                        "cvtdq2pd\t{$src, $dst|$dst, $src}", [],
                        IIC_SSE_CVT_PD_RM>;
 
-- 
2.34.1