From 659f85af144d076f650972b02fd3314b08eec036 Mon Sep 17 00:00:00 2001 From: Craig Topper Date: Mon, 26 Mar 2018 02:17:13 +0000 Subject: [PATCH] [X86] Swap the itineraries on the memory and register forms of CVTDQ2PD. They were backwards. llvm-svn: 328469 --- llvm/lib/Target/X86/X86InstrSSE.td | 4 ++-- llvm/test/CodeGen/X86/sse2-schedule.ll | 7 ++++--- 2 files changed, 6 insertions(+), 5 deletions(-) diff --git a/llvm/lib/Target/X86/X86InstrSSE.td b/llvm/lib/Target/X86/X86InstrSSE.td index 2ec2f90..99915e7 100644 --- a/llvm/lib/Target/X86/X86InstrSSE.td +++ b/llvm/lib/Target/X86/X86InstrSSE.td @@ -2040,12 +2040,12 @@ def CVTDQ2PDrm : S2SI<0xE6, MRMSrcMem, (outs VR128:$dst), (ins i64mem:$src), "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 { diff --git a/llvm/test/CodeGen/X86/sse2-schedule.ll b/llvm/test/CodeGen/X86/sse2-schedule.ll index db6d7a5..7174b87 100644 --- a/llvm/test/CodeGen/X86/sse2-schedule.ll +++ b/llvm/test/CodeGen/X86/sse2-schedule.ll @@ -1090,9 +1090,10 @@ define <2 x double> @test_cvtdq2pd(<4 x i32> %a0, <4 x i32> *%a1) { ; ; 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: -- 2.7.4