This patch adds the VSX logical instructions introduced in the Power ISA 2.07. It...

Phabricator review: http://reviews.llvm.org/D7616

Commiting on Nemanja's behalf.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@229694 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/PowerPC/PPCInstrAltivec.td b/lib/Target/PowerPC/PPCInstrAltivec.td
index f17f251377eda1dfc4673a8ea1d15deed49556ce..1548c82a4eb994b0d7489b5367b1ca1af75525dd 100644 (file)
--- a/lib/Target/PowerPC/PPCInstrAltivec.td
+++ b/lib/Target/PowerPC/PPCInstrAltivec.td
@@ -970,7 +970,6 @@ def VPOPCNTD : VXForm_2<1987, (outs vrrc:$vD), (ins vrrc:$vB),
                         [(set v2i64:$vD, (ctpop v2i64:$vB))]>;
 
 let isCommutable = 1 in {
-let AddedComplexity = 500 in {
 // FIXME: Use AddedComplexity > 400 to ensure these patterns match before the 
 //        VSX equivalents. We need to fix this up at some point. Two possible
 //        solutions for this problem:
@@ -991,6 +990,5 @@ def VORC : VXForm_1<1348, (outs vrrc:$vD), (ins vrrc:$vA, vrrc:$vB),
                       "vorc $vD, $vA, $vB", IIC_VecGeneral,
                       [(set v4i32:$vD, (or v4i32:$vA,
                                            (vnot_ppc v4i32:$vB)))]>;
-} // AddedComplexity = 500
 } // isCommutable
 } // end HasP8Altivec

diff --git a/lib/Target/PowerPC/PPCInstrVSX.td b/lib/Target/PowerPC/PPCInstrVSX.td
index c97dfbf439ea4851bec0e6fb57f51e6f564d9f14..d6cb3a0ea432e5f7c81c6a0aebe44181ae011df0 100644 (file)
--- a/lib/Target/PowerPC/PPCInstrVSX.td
+++ b/lib/Target/PowerPC/PPCInstrVSX.td
@@ -940,3 +940,28 @@ def : Pat<(int_ppc_vsx_xvdivdp v2f64:$A, v2f64:$B),
 } // AddedComplexity
 } // HasVSX
 
+// The following VSX instructions were introduced in Power ISA 2.07
+/* FIXME: if the operands are v2i64, these patterns will not match.
+   we should define new patterns or otherwise match the same patterns
+   when the elements are larger than i32.
+*/
+def HasP8Vector : Predicate<"PPCSubTarget->hasP8Vector()">;
+let Predicates = [HasP8Vector] in {
+let AddedComplexity = 400 in { // Prefer VSX patterns over non-VSX patterns.
+let isCommutable = 1 in {
+  def XXLEQV : XX3Form<60, 186,
+                       (outs vsrc:$XT), (ins vsrc:$XA, vsrc:$XB),
+                       "xxleqv $XT, $XA, $XB", IIC_VecGeneral,
+                       [(set v4i32:$XT, (vnot_ppc (xor v4i32:$XA, v4i32:$XB)))]>;
+  def XXLNAND : XX3Form<60, 178,
+                        (outs vsrc:$XT), (ins vsrc:$XA, vsrc:$XB),
+                        "xxlnand $XT, $XA, $XB", IIC_VecGeneral,
+                        [(set v4i32:$XT, (vnot_ppc (and v4i32:$XA,
+                                                    v4i32:$XB)))]>;
+  } // isCommutable
+def XXLORC : XX3Form<60, 170,
+                     (outs vsrc:$XT), (ins vsrc:$XA, vsrc:$XB),
+                     "xxlorc $XT, $XA, $XB", IIC_VecGeneral,
+                     [(set v4i32:$XT, (or v4i32:$XA, (vnot_ppc v4i32:$XB)))]>;
+} // AddedComplexity = 500
+} // HasP8Vector

diff --git a/test/CodeGen/PowerPC/vec_veqv_vnand_vorc.ll b/test/CodeGen/PowerPC/vec_veqv_vnand_vorc.ll
index 44feadbf39bd48f4525c80a99d43de500c200291..b4fa06df3c0e136ce28348d070982ef0db6eb486 100644 (file)
--- a/test/CodeGen/PowerPC/vec_veqv_vnand_vorc.ll
+++ b/test/CodeGen/PowerPC/vec_veqv_vnand_vorc.ll
@@ -1,6 +1,5 @@
 ; Check the miscellaneous logical vector operations added in P8
 ; 
-; RUN: llc -mtriple=powerpc64-unknown-linux-gnu -mcpu=pwr8 < %s | FileCheck %s
 ; RUN: llc -mtriple=powerpc64-unknown-linux-gnu -mcpu=pwr8 -mattr=-vsx < %s | FileCheck %s
 ; Test x eqv y
 define <4 x i32> @test_veqv(<4 x i32> %x, <4 x i32> %y) nounwind {

diff --git a/test/CodeGen/PowerPC/xxleqv_xxlnand_xxlorc.ll b/test/CodeGen/PowerPC/xxleqv_xxlnand_xxlorc.ll
new file mode 100644 (file)
index 0000000..4d929c6
--- /dev/null
+++ b/test/CodeGen/PowerPC/xxleqv_xxlnand_xxlorc.ll
@@ -0,0 +1,52 @@
+; Check the miscellaneous logical vector operations added in P8
+; 
+; RUN: llc -mtriple=powerpc64-unknown-linux-gnu -mcpu=pwr8 < %s | FileCheck %s
+; RUN: llc -mtriple=powerpc64le-unknown-linux-gnu < %s | FileCheck %s
+; Test x eqv y
+define <4 x i32> @test_xxleqv(<4 x i32> %x, <4 x i32> %y) nounwind {
+       %tmp = xor <4 x i32> %x, %y
+       %ret_val = xor <4 x i32> %tmp, < i32 -1, i32 -1, i32 -1, i32 -1>
+       ret <4 x i32> %ret_val
+; CHECK: xxleqv 34, 34, 35
+}
+
+; Test x xxlnand y
+define <4 x i32> @test_xxlnand(<4 x i32> %x, <4 x i32> %y) nounwind {
+       %tmp = and <4 x i32> %x, %y
+       %ret_val = xor <4 x i32> %tmp, <i32 -1, i32 -1, i32 -1, i32 -1>
+       ret <4 x i32> %ret_val
+; CHECK: xxlnand 34, 34, 35
+}
+
+; Test x xxlorc y
+define <4 x i32> @test_xxlorc(<4 x i32> %x, <4 x i32> %y) nounwind {
+       %tmp = xor <4 x i32> %y, <i32 -1, i32 -1, i32 -1, i32 -1>
+       %ret_val = or <4 x i32> %x, %tmp
+       ret <4 x i32> %ret_val
+; CHECK: xxlorc 34, 34, 35
+}
+
+; Test x eqv y
+define <8 x i16> @test_xxleqvv8i16(<8 x i16> %x, <8 x i16> %y) nounwind {
+       %tmp = xor <8 x i16> %x, %y
+       %ret_val = xor <8 x i16> %tmp, <i16 -1, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1>
+       ret <8 x i16> %ret_val
+; CHECK: xxleqv 34, 34, 35
+}
+
+; Test x xxlnand y
+define <8 x i16> @test_xxlnandv8i16(<8 x i16> %x, <8 x i16> %y) nounwind {
+       %tmp = and <8 x i16> %x, %y
+       %ret_val = xor <8 x i16> %tmp, <i16 -1, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1>
+       ret <8 x i16> %ret_val
+; CHECK: xxlnand 34, 34, 35
+}
+
+; Test x xxlorc y
+define <8 x i16> @test_xxlorcv8i16(<8 x i16> %x, <8 x i16> %y) nounwind {
+       %tmp = xor <8 x i16> %y, <i16 -1, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1>
+       %ret_val = or <8 x i16> %x, %tmp
+       ret <8 x i16> %ret_val
+; CHECK: xxlorc 34, 34, 35
+}
+

diff --git a/test/MC/Disassembler/PowerPC/vsx.txt b/test/MC/Disassembler/PowerPC/vsx.txt
index b5e2751225e42034da38c855833f554d8e995c59..5e6548213c7a26420ed360b578524032df672908 100644 (file)
--- a/test/MC/Disassembler/PowerPC/vsx.txt
+++ b/test/MC/Disassembler/PowerPC/vsx.txt
@@ -404,6 +404,15 @@
 # CHECK: xxland 7, 63, 27
 0xf0 0xff 0xdc 0x14
 
+# CHECK: xxleqv 7, 63, 27
+0xf0 0xff 0xdd 0xd4
+
+# CHECK: xxlnand 7, 63, 27
+0xf0 0xff 0xdd 0x94
+
+# CHECK: xxlorc 7, 63, 27
+0xf0 0xff 0xdd 0x54
+
 # CHECK: xxlandc 7, 63, 27
 0xf0 0xff 0xdc 0x54
 

diff --git a/test/MC/PowerPC/vsx.s b/test/MC/PowerPC/vsx.s
index b355ba37b801bca6666285d7e61741d32210752c..4a0053d62612a195c28f5d111e6abc78ce44bba1 100644 (file)
--- a/test/MC/PowerPC/vsx.s
+++ b/test/MC/PowerPC/vsx.s
@@ -403,6 +403,15 @@
 # CHECK-BE: xxland 7, 63, 27                   # encoding: [0xf0,0xff,0xdc,0x14]
 # CHECK-LE: xxland 7, 63, 27                   # encoding: [0x14,0xdc,0xff,0xf0]
             xxland 7, 63, 27
+# CHECK-BE: xxleqv 7, 63, 27                   # encoding: [0xf0,0xff,0xdd,0xd4]
+# CHECK-LE: xxleqv 7, 63, 27                   # encoding: [0xd4,0xdd,0xff,0xf0]
+            xxleqv 7, 63, 27
+# CHECK-BE: xxlnand 7, 63, 27                  # encoding: [0xf0,0xff,0xdd,0x94]
+# CHECK-LE: xxlnand 7, 63, 27                  # encoding: [0x94,0xdd,0xff,0xf0]
+            xxlnand 7, 63, 27
+# CHECK-BE: xxlorc 7, 63, 27                   # encoding: [0xf0,0xff,0xdd,0x54]
+# CHECK-LE: xxlorc 7, 63, 27                   # encoding: [0x54,0xdd,0xff,0xf0]
+            xxlorc 7, 63, 27
 # CHECK-BE: xxlandc 7, 63, 27                  # encoding: [0xf0,0xff,0xdc,0x54]
 # CHECK-LE: xxlandc 7, 63, 27                  # encoding: [0x54,0xdc,0xff,0xf0]
             xxlandc 7, 63, 27