[llvm] r328469 - [X86] Swap the itineraries on the memory and register forms of CVTDQ2PD.

[Craig Topper via llvm-commits]

Author: ctopper
Date: Sun Mar 25 19:17:13 2018
New Revision: 328469

URL: http://llvm.org/viewvc/llvm-project?rev=328469&view=rev
Log:
[X86] Swap the itineraries on the memory and register forms of CVTDQ2PD.

They were backwards.

Modified:
    llvm/trunk/lib/Target/X86/X86InstrSSE.td
    llvm/trunk/test/CodeGen/X86/sse2-schedule.ll

Modified: llvm/trunk/lib/Target/X86/X86InstrSSE.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86InstrSSE.td?rev=328469&r1=328468&r2=328469&view=diff
==============================================================================
--- llvm/trunk/lib/Target/X86/X86InstrSSE.td (original)
+++ llvm/trunk/lib/Target/X86/X86InstrSSE.td Sun Mar 25 19:17:13 2018
@@ -2040,12 +2040,12 @@ def CVTDQ2PDrm  : S2SI<0xE6, MRMSrcMem,
                        "cvtdq2pd\t{$src, $dst|$dst, $src}",
                        [(set VR128:$dst,
                          (v2f64 (X86VSintToFP (bc_v4i32 (loadv2i64 addr:$src)))))],
-                       IIC_SSE_CVT_PD_RR>, Sched<[WriteCvtI2FLd]>;
+                       IIC_SSE_CVT_PD_RM>, Sched<[WriteCvtI2FLd]>;
 def CVTDQ2PDrr  : S2SI<0xE6, MRMSrcReg, (outs VR128:$dst), (ins VR128:$src),
                        "cvtdq2pd\t{$src, $dst|$dst, $src}",
                        [(set VR128:$dst,
                          (v2f64 (X86VSintToFP (v4i32 VR128:$src))))],
-                       IIC_SSE_CVT_PD_RM>, Sched<[WriteCvtI2F]>;
+                       IIC_SSE_CVT_PD_RR>, Sched<[WriteCvtI2F]>;
 
 // AVX register conversion intrinsics
 let Predicates = [HasAVX, NoVLX] in {

Modified: llvm/trunk/test/CodeGen/X86/sse2-schedule.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/X86/sse2-schedule.ll?rev=328469&r1=328468&r2=328469&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/X86/sse2-schedule.ll (original)
+++ llvm/trunk/test/CodeGen/X86/sse2-schedule.ll Sun Mar 25 19:17:13 2018
@@ -1090,9 +1090,10 @@ define <2 x double> @test_cvtdq2pd(<4 x
 ;
 ; ATOM-LABEL: test_cvtdq2pd:
 ; ATOM:       # %bb.0:
-; ATOM-NEXT:    cvtdq2pd %xmm0, %xmm1 # sched: [8:4.00]
-; ATOM-NEXT:    cvtdq2pd (%rdi), %xmm0 # sched: [7:3.50]
-; ATOM-NEXT:    addpd %xmm1, %xmm0 # sched: [6:3.00]
+; ATOM-NEXT:    cvtdq2pd (%rdi), %xmm1 # sched: [8:4.00]
+; ATOM-NEXT:    cvtdq2pd %xmm0, %xmm0 # sched: [7:3.50]
+; ATOM-NEXT:    addpd %xmm0, %xmm1 # sched: [6:3.00]
+; ATOM-NEXT:    movapd %xmm1, %xmm0 # sched: [1:0.50]
 ; ATOM-NEXT:    retq # sched: [79:39.50]
 ;
 ; SLM-LABEL: test_cvtdq2pd: