From: Matt Arsenault <Matthew.Arsenault@amd.com>
Date: Thu, 11 Dec 2014 22:15:43 +0000 (+0000)
Subject: R600/SI: Use unordered equal instructions
X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=29ae5b8a8c747e2e1841a46eef9941b2f2762b9c;p=oota-llvm.git

R600/SI: Use unordered equal instructions

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@224067 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Target/R600/SIISelLowering.cpp b/lib/Target/R600/SIISelLowering.cpp
index 197e368ab38..f4acbf44111 100644
--- a/lib/Target/R600/SIISelLowering.cpp
+++ b/lib/Target/R600/SIISelLowering.cpp
@@ -61,10 +61,6 @@ SITargetLowering::SITargetLowering(TargetMachine &TM) :
 
   computeRegisterProperties();
 
-  // Condition Codes
-  setCondCodeAction(ISD::SETUEQ, MVT::f32, Expand);
-  setCondCodeAction(ISD::SETUEQ, MVT::f64, Expand);
-
   setOperationAction(ISD::VECTOR_SHUFFLE, MVT::v8i32, Expand);
   setOperationAction(ISD::VECTOR_SHUFFLE, MVT::v8f32, Expand);
   setOperationAction(ISD::VECTOR_SHUFFLE, MVT::v16i32, Expand);
diff --git a/lib/Target/R600/SIInstructions.td b/lib/Target/R600/SIInstructions.td
index c12ffe78bbc..eb7c98754f1 100644
--- a/lib/Target/R600/SIInstructions.td
+++ b/lib/Target/R600/SIInstructions.td
@@ -511,7 +511,7 @@ defm V_CMP_GE_F32 : VOPC_F32 <vopc<0x6, 0x46>, "v_cmp_ge_f32", COND_OGE>;
 defm V_CMP_O_F32 : VOPC_F32 <vopc<0x7, 0x47>, "v_cmp_o_f32", COND_O>;
 defm V_CMP_U_F32 : VOPC_F32 <vopc<0x8, 0x48>, "v_cmp_u_f32", COND_UO>;
 defm V_CMP_NGE_F32 : VOPC_F32 <vopc<0x9, 0x49>, "v_cmp_nge_f32",  COND_ULT>;
-defm V_CMP_NLG_F32 : VOPC_F32 <vopc<0xa, 0x4a>, "v_cmp_nlg_f32">;
+defm V_CMP_NLG_F32 : VOPC_F32 <vopc<0xa, 0x4a>, "v_cmp_nlg_f32", COND_UEQ>;
 defm V_CMP_NGT_F32 : VOPC_F32 <vopc<0xb, 0x4b>, "v_cmp_ngt_f32", COND_ULE>;
 defm V_CMP_NLE_F32 : VOPC_F32 <vopc<0xc, 0x4c>, "v_cmp_nle_f32", COND_UGT>;
 defm V_CMP_NEQ_F32 : VOPC_F32 <vopc<0xd, 0x4d>, "v_cmp_neq_f32", COND_UNE>;
@@ -549,7 +549,7 @@ defm V_CMP_GE_F64 : VOPC_F64 <vopc<0x26, 0x66>, "v_cmp_ge_f64", COND_OGE>;
 defm V_CMP_O_F64 : VOPC_F64 <vopc<0x27, 0x67>, "v_cmp_o_f64", COND_O>;
 defm V_CMP_U_F64 : VOPC_F64 <vopc<0x28, 0x68>, "v_cmp_u_f64", COND_UO>;
 defm V_CMP_NGE_F64 : VOPC_F64 <vopc<0x29, 0x69>, "v_cmp_nge_f64", COND_ULT>;
-defm V_CMP_NLG_F64 : VOPC_F64 <vopc<0x2a, 0x6a>, "v_cmp_nlg_f64">;
+defm V_CMP_NLG_F64 : VOPC_F64 <vopc<0x2a, 0x6a>, "v_cmp_nlg_f64", COND_UEQ>;
 defm V_CMP_NGT_F64 : VOPC_F64 <vopc<0x2b, 0x6b>, "v_cmp_ngt_f64", COND_ULE>;
 defm V_CMP_NLE_F64 : VOPC_F64 <vopc<0x2c, 0x6c>, "v_cmp_nle_f64", COND_UGT>;
 defm V_CMP_NEQ_F64 : VOPC_F64 <vopc<0x2d, 0x6d>, "v_cmp_neq_f64", COND_UNE>;
diff --git a/test/CodeGen/R600/fcmp64.ll b/test/CodeGen/R600/fcmp64.ll
index 73cee669c43..e072ad65239 100644
--- a/test/CodeGen/R600/fcmp64.ll
+++ b/test/CodeGen/R600/fcmp64.ll
@@ -61,7 +61,7 @@ define void @fne_f64(double addrspace(1)* %out, double addrspace(1)* %in1,
 }
 
 ; CHECK-LABEL: {{^}}feq_f64:
-; CHECK: v_cmp_eq_f64_e64 {{s[[0-9]+:[0-9]+], v[[0-9]+:[0-9]+], v[[0-9]+:[0-9]+]}}
+; CHECK: v_cmp_nlg_f64_e32 vcc, {{v[[0-9]+:[0-9]+], v[[0-9]+:[0-9]+]}}
 define void @feq_f64(double addrspace(1)* %out, double addrspace(1)* %in1,
                      double addrspace(1)* %in2) {
    %r0 = load double addrspace(1)* %in1
diff --git a/test/CodeGen/R600/setcc.ll b/test/CodeGen/R600/setcc.ll
index 2b19fcf7868..ca0f4c41190 100644
--- a/test/CodeGen/R600/setcc.ll
+++ b/test/CodeGen/R600/setcc.ll
@@ -129,11 +129,8 @@ entry:
 ; R600-DAG: OR_INT
 ; R600-DAG: SETNE_INT
 
-; SI-DAG: v_cmp_u_f32_e32 vcc
-; SI-DAG: v_cmp_eq_f32_e64 [[CMP1:s\[[0-9]+:[0-9]+\]]]
-; SI: s_or_b64 [[OR:s\[[0-9]+:[0-9]+\]]], [[CMP1]], vcc
-; SI: v_cndmask_b32_e64 [[VRESULT:v[0-9]+]], 0, -1, [[OR]]
-; SI: buffer_store_dword [[VRESULT]]
+; SI: v_cmp_nlg_f32_e32 vcc
+; SI-NEXT: v_cndmask_b32_e64 {{v[0-9]+}}, 0, -1, vcc
 define void @f32_ueq(i32 addrspace(1)* %out, float %a, float %b) {
 entry:
   %0 = fcmp ueq float %a, %b
diff --git a/test/CodeGen/R600/setcc64.ll b/test/CodeGen/R600/setcc64.ll
index d9e982e09b2..8780564a0a7 100644
--- a/test/CodeGen/R600/setcc64.ll
+++ b/test/CodeGen/R600/setcc64.ll
@@ -78,10 +78,8 @@ entry:
 }
 
 ; FUNC-LABEL: {{^}}f64_ueq:
-; SI: v_cmp_u_f64
-; SI: v_cmp_eq_f64
-; SI: s_or_b64
-; SI: v_cndmask_b32
+; SI: v_cmp_nlg_f64_e32 vcc
+; SI-NEXT: v_cndmask_b32_e64 {{v[0-9]+}}, 0, -1, vcc
 define void @f64_ueq(i32 addrspace(1)* %out, double %a, double %b) {
 entry:
   %0 = fcmp ueq double %a, %b