commit 739c7a83e16e7daaf22cfa4ae84e8d1cc0260941
author Benjamin Kramer <benny.kra@googlemail.com> Fri Dec 21 14:04:55 2012 +0000
committer Benjamin Kramer <benny.kra@googlemail.com> Fri Dec 21 14:04:55 2012 +0000
tree 365e1ca514a572916c4bb9210e68fd54341457dc
parent 6e591ea0b9759ffae3abafb2d55b8d30a20e98f2

X86: Match the SSE/AVX min/max vector ops using a custom node instead of intrinsics

This is very mechanical, no functionality change. Preparation for PR14667.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@170898 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Target/X86/X86ISelLowering.cpp

diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp
index 6b65072..6f12d6c 100644
--- a/lib/Target/X86/X86ISelLowering.cpp
+++ b/lib/Target/X86/X86ISelLowering.cpp
@@ -10154,6 +10154,40 @@
                        Op.getOperand(1), Op.getOperand(2));
   }
 
+  // SSE2/SSE41/AVX2 integer max/min intrinsics.
+  case Intrinsic::x86_sse2_pmaxu_b:
+  case Intrinsic::x86_sse41_pmaxuw:
+  case Intrinsic::x86_sse41_pmaxud:
+  case Intrinsic::x86_avx2_pmaxu_b:
+  case Intrinsic::x86_avx2_pmaxu_w:
+  case Intrinsic::x86_avx2_pmaxu_d:
+    return DAG.getNode(X86ISD::UMAX, dl, Op.getValueType(),
+                       Op.getOperand(1), Op.getOperand(2));
+  case Intrinsic::x86_sse2_pminu_b:
+  case Intrinsic::x86_sse41_pminuw:
+  case Intrinsic::x86_sse41_pminud:
+  case Intrinsic::x86_avx2_pminu_b:
+  case Intrinsic::x86_avx2_pminu_w:
+  case Intrinsic::x86_avx2_pminu_d:
+    return DAG.getNode(X86ISD::UMIN, dl, Op.getValueType(),
+                       Op.getOperand(1), Op.getOperand(2));
+  case Intrinsic::x86_sse41_pmaxsb:
+  case Intrinsic::x86_sse2_pmaxs_w:
+  case Intrinsic::x86_sse41_pmaxsd:
+  case Intrinsic::x86_avx2_pmaxs_b:
+  case Intrinsic::x86_avx2_pmaxs_w:
+  case Intrinsic::x86_avx2_pmaxs_d:
+    return DAG.getNode(X86ISD::SMAX, dl, Op.getValueType(),
+                       Op.getOperand(1), Op.getOperand(2));
+  case Intrinsic::x86_sse41_pminsb:
+  case Intrinsic::x86_sse2_pmins_w:
+  case Intrinsic::x86_sse41_pminsd:
+  case Intrinsic::x86_avx2_pmins_b:
+  case Intrinsic::x86_avx2_pmins_w:
+  case Intrinsic::x86_avx2_pmins_d:
+    return DAG.getNode(X86ISD::SMIN, dl, Op.getValueType(),
+                       Op.getOperand(1), Op.getOperand(2));
+
   // AVX2 variable shift intrinsics
   case Intrinsic::x86_avx2_psllv_d:
   case Intrinsic::x86_avx2_psllv_q:
@@ -11974,6 +12008,10 @@
   case X86ISD::HSUB:               return "X86ISD::HSUB";
   case X86ISD::FHADD:              return "X86ISD::FHADD";
   case X86ISD::FHSUB:              return "X86ISD::FHSUB";
+  case X86ISD::UMAX:               return "X86ISD::UMAX";
+  case X86ISD::UMIN:               return "X86ISD::UMIN";
+  case X86ISD::SMAX:               return "X86ISD::SMAX";
+  case X86ISD::SMIN:               return "X86ISD::SMIN";
   case X86ISD::FMAX:               return "X86ISD::FMAX";
   case X86ISD::FMIN:               return "X86ISD::FMIN";
   case X86ISD::FMAXC:              return "X86ISD::FMAXC";