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[PowerPC] Implement vector uncompress instructions #150702
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@llvm/pr-subscribers-mc @llvm/pr-subscribers-backend-powerpc Author: Lei Huang (lei137) ChangesImplement the set of vector uncompress instructions:
Full diff: https://github.com/llvm/llvm-project/pull/150702.diff 4 Files Affected:
diff --git a/llvm/lib/Target/PowerPC/PPCInstrFuture.td b/llvm/lib/Target/PowerPC/PPCInstrFuture.td
index 1ac91fadf6582..0693b4537178f 100644
--- a/llvm/lib/Target/PowerPC/PPCInstrFuture.td
+++ b/llvm/lib/Target/PowerPC/PPCInstrFuture.td
@@ -45,6 +45,20 @@ multiclass XOForm_RTAB5_L1r<bits<6> opcode, bits<9> xo, dag OOL, dag IOL,
}
}
+class VXForm_VRTAB5<bits<11> xo, dag OOL, dag IOL, string asmstr,
+ list<dag> pattern> : I<4, OOL, IOL, asmstr, NoItinerary> {
+ bits<5> VRT;
+ bits<5> VRA;
+ bits<5> VRB;
+
+ let Pattern = pattern;
+
+ let Inst{6 -10} = VRT;
+ let Inst{11 -15} = VRA;
+ let Inst{16 -20} = VRB;
+ let Inst{21 -31} = xo;
+}
+
let Predicates = [IsISAFuture] in {
defm SUBFUS : XOForm_RTAB5_L1r<31, 72, (outs g8rc:$RT),
(ins g8rc:$RA, g8rc:$RB, u1imm:$L),
@@ -85,4 +99,21 @@ let Predicates = [HasVSX, IsISAFuture] in {
(ins vsrprc:$XTp, memr:$RA, g8rc:$RB),
"stxvprll $XTp, $RA, $RB", IIC_LdStLFD, []>;
}
+
+ def VUCMPRHN : VXForm_VRTAB5<3, (outs vrrc:$VRT), (ins vrrc:$VRA, vrrc:$VRB),
+ "vucmprhn $VRT, $VRA, $VRB", []>;
+ def VUCMPRLN : VXForm_VRTAB5<67, (outs vrrc:$VRT), (ins vrrc:$VRA, vrrc:$VRB),
+ "vucmprln $VRT, $VRA, $VRB", []>;
+ def VUCMPRHB
+ : VXForm_VRTAB5<131, (outs vrrc:$VRT), (ins vrrc:$VRA, vrrc:$VRB),
+ "vucmprhb $VRT, $VRA, $VRB", []>;
+ def VUCMPRLB
+ : VXForm_VRTAB5<195, (outs vrrc:$VRT), (ins vrrc:$VRA, vrrc:$VRB),
+ "vucmprlb $VRT, $VRA, $VRB", []>;
+ def VUCMPRHH
+ : VXForm_VRTAB5<259, (outs vrrc:$VRT), (ins vrrc:$VRA, vrrc:$VRB),
+ "vucmprhh $VRT, $VRA, $VRB", []>;
+ def VUCMPRLH
+ : VXForm_VRTAB5<323, (outs vrrc:$VRT), (ins vrrc:$VRA, vrrc:$VRB),
+ "vucmprlh $VRT, $VRA, $VRB", []>;
}
diff --git a/llvm/test/MC/Disassembler/PowerPC/ppc-encoding-ISAFuture.txt b/llvm/test/MC/Disassembler/PowerPC/ppc-encoding-ISAFuture.txt
index 4bea42243f83b..e944771f8a298 100644
--- a/llvm/test/MC/Disassembler/PowerPC/ppc-encoding-ISAFuture.txt
+++ b/llvm/test/MC/Disassembler/PowerPC/ppc-encoding-ISAFuture.txt
@@ -195,3 +195,21 @@
#CHECK: dmxxsha224256pad 0, 1
0xf0,0x18,0x0e,0x94
+
+#CHECK: vucmprhn 0, 2, 3
+0x10,0x02,0x18,0x03
+
+#CHECK: vucmprln 3, 5, 6
+0x10,0x65,0x30,0x43
+
+#CHECK: vucmprhb 1, 3, 6
+0x10,0x23,0x30,0x83
+
+#CHECK: vucmprlb 2, 4, 5
+0x10,0x44,0x28,0xC3
+
+#CHECK: vucmprlh 2, 4, 5
+0x10,0x44,0x29,0x43
+
+#CHECK: vucmprhh 1, 3, 6
+0x10,0x23,0x31,0x03
diff --git a/llvm/test/MC/Disassembler/PowerPC/ppc64le-encoding-ISAFuture.txt b/llvm/test/MC/Disassembler/PowerPC/ppc64le-encoding-ISAFuture.txt
index 233693e67292e..e146d9ec32fc7 100644
--- a/llvm/test/MC/Disassembler/PowerPC/ppc64le-encoding-ISAFuture.txt
+++ b/llvm/test/MC/Disassembler/PowerPC/ppc64le-encoding-ISAFuture.txt
@@ -189,3 +189,21 @@
#CHECK: dmxxsha224256pad 0, 1
0x94,0x0e,0x18,0xf0
+
+#CHECK: vucmprhn 0, 2, 3
+0x03,0x18,0x02,0x10
+
+#CHECK: vucmprln 3, 5, 6
+0x43,0x30,0x65,0x10
+
+#CHECK: vucmprhb 1, 3, 6
+0x83,0x30,0x23,0x10
+
+#CHECK: vucmprlb 2, 4, 5
+0xC3,0x28,0x44,0x10
+
+#CHECK: vucmprlh 2, 4, 5
+0x43,0x29,0x44,0x10
+
+#CHECK: vucmprhh 1, 3, 6
+0x03,0x31,0x23,0x10
diff --git a/llvm/test/MC/PowerPC/ppc-encoding-ISAFuture.s b/llvm/test/MC/PowerPC/ppc-encoding-ISAFuture.s
index cba93291e4595..f3b86ae8dff72 100644
--- a/llvm/test/MC/PowerPC/ppc-encoding-ISAFuture.s
+++ b/llvm/test/MC/PowerPC/ppc-encoding-ISAFuture.s
@@ -282,3 +282,27 @@
dmxxsha224256pad 0, 1
#CHECK-BE: dmxxsha224256pad 0, 1 # encoding: [0xf0,0x18,0x0e,0x94]
#CHECK-LE: dmxxsha224256pad 0, 1 # encoding: [0x94,0x0e,0x18,0xf0]
+
+ vucmprhn 0, 2, 3
+#CHECK-BE: vucmprhn 0, 2, 3 # encoding: [0x10,0x02,0x18,0x03]
+#CHECK-LE: vucmprhn 0, 2, 3 # encoding: [0x03,0x18,0x02,0x10]
+
+ vucmprln 3, 5, 6
+#CHECK-BE: vucmprln 3, 5, 6 # encoding: [0x10,0x65,0x30,0x43]
+#CHECK-LE: vucmprln 3, 5, 6 # encoding: [0x43,0x30,0x65,0x10]
+
+ vucmprhb 1, 3, 6
+#CHECK-BE: vucmprhb 1, 3, 6 # encoding: [0x10,0x23,0x30,0x83]
+#CHECK-LE: vucmprhb 1, 3, 6 # encoding: [0x83,0x30,0x23,0x10]
+
+ vucmprlb 2, 4, 5
+#CHECK-BE: vucmprlb 2, 4, 5 # encoding: [0x10,0x44,0x28,0xc3]
+#CHECK-LE: vucmprlb 2, 4, 5 # encoding: [0xc3,0x28,0x44,0x10]
+
+ vucmprlh 2, 4, 5
+#CHECK-BE: vucmprlh 2, 4, 5 # encoding: [0x10,0x44,0x29,0x43]
+#CHECK-LE: vucmprlh 2, 4, 5 # encoding: [0x43,0x29,0x44,0x10]
+
+ vucmprhh 1, 3, 6
+#CHECK-BE: vucmprhh 1, 3, 6 # encoding: [0x10,0x23,0x31,0x03]
+#CHECK-LE: vucmprhh 1, 3, 6 # encoding: [0x03,0x31,0x23,0x10]
|
diggerlin
reviewed
Jul 29, 2025
diggerlin
approved these changes
Jul 29, 2025
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Implement the set of vector uncompress instructions: