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Closed by commit rG09b67aa1c382: [PowerPC] Implement builtin for vbpermd
(authored by nemanjai).
Changed prior to commit:
https://reviews.llvm.org/D107899?vs=365731&id=375832#toc
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D107899/new/
https://reviews.llvm.org/D107899
Files:
clang/include/clang/Basic/BuiltinsPPC.def
clang/lib/Headers/altivec.h
clang/test/CodeGen/builtins-ppc-p8vector.c
clang/test/CodeGen/builtins-ppc-p9vector.c
llvm/include/llvm/IR/IntrinsicsPowerPC.td
llvm/lib/Target/PowerPC/PPCInstrAltivec.td
llvm/test/CodeGen/PowerPC/p9-vbpermd.ll
Index: llvm/test/CodeGen/PowerPC/p9-vbpermd.ll
===================================================================
--- /dev/null
+++ llvm/test/CodeGen/PowerPC/p9-vbpermd.ll
@@ -0,0 +1,32 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc -verify-machineinstrs -mtriple=powerpc64-unknown-linux-gnu \
+; RUN: -mcpu=pwr9 < %s | FileCheck %s
+; RUN: llc -verify-machineinstrs -mtriple=powerpc64le-unknown-linux-gnu \
+; RUN: -mcpu=pwr9 < %s | FileCheck %s
+
+@vull = common global <2 x i64> zeroinitializer, align 16
+@vuc = common global <16 x i8> zeroinitializer, align 16
+@res_vull = common global <2 x i64> zeroinitializer, align 16
+
+define void @test1() {
+; CHECK-LABEL: test1:
+; CHECK: # %bb.0: # %entry
+; CHECK-NEXT: addis 3, 2, .LC0@toc@ha
+; CHECK-NEXT: ld 3, .LC0@toc@l(3)
+; CHECK-NEXT: lxv 34, 0(3)
+; CHECK-NEXT: addis 3, 2, .LC1@toc@ha
+; CHECK-NEXT: ld 3, .LC1@toc@l(3)
+; CHECK-NEXT: lxv 35, 0(3)
+; CHECK-NEXT: addis 3, 2, .LC2@toc@ha
+; CHECK-NEXT: ld 3, .LC2@toc@l(3)
+; CHECK-NEXT: vbpermd 2, 2, 3
+; CHECK-NEXT: stxv 34, 0(3)
+; CHECK-NEXT: blr
+entry:
+ %0 = load <2 x i64>, <2 x i64>* @vull, align 16
+ %1 = load <16 x i8>, <16 x i8>* @vuc, align 16
+ %2 = call <2 x i64> @llvm.ppc.altivec.vbpermd(<2 x i64> %0, <16 x i8> %1)
+ store <2 x i64> %2, <2 x i64>* @res_vull, align 16
+ ret void
+}
+declare <2 x i64> @llvm.ppc.altivec.vbpermd(<2 x i64>, <16 x i8>)
Index: llvm/lib/Target/PowerPC/PPCInstrAltivec.td
===================================================================
--- llvm/lib/Target/PowerPC/PPCInstrAltivec.td
+++ llvm/lib/Target/PowerPC/PPCInstrAltivec.td
@@ -1518,8 +1518,8 @@
(int_ppc_altivec_vprtybq v1i128:$vB))]>;
// Vector (Bit) Permute (Right-indexed)
-def VBPERMD : VXForm_1<1484, (outs vrrc:$vD), (ins vrrc:$vA, vrrc:$vB),
- "vbpermd $vD, $vA, $vB", IIC_VecFP, []>;
+def VBPERMD : VX1_Int_Ty3<1484, "vbpermd", int_ppc_altivec_vbpermd,
+ v2i64, v2i64, v16i8>;
def VPERMR : VAForm_1a<59, (outs vrrc:$vD), (ins vrrc:$vA, vrrc:$vB, vrrc:$vC),
"vpermr $vD, $vA, $vB, $vC", IIC_VecFP, []>;
Index: llvm/include/llvm/IR/IntrinsicsPowerPC.td
===================================================================
--- llvm/include/llvm/IR/IntrinsicsPowerPC.td
+++ llvm/include/llvm/IR/IntrinsicsPowerPC.td
@@ -1042,6 +1042,9 @@
def int_ppc_altivec_vbpermq : GCCBuiltin<"__builtin_altivec_vbpermq">,
Intrinsic<[llvm_v2i64_ty], [llvm_v16i8_ty, llvm_v16i8_ty],
[IntrNoMem]>;
+ def int_ppc_altivec_vbpermd : GCCBuiltin<"__builtin_altivec_vbpermd">,
+ Intrinsic<[llvm_v2i64_ty], [llvm_v2i64_ty, llvm_v16i8_ty],
+ [IntrNoMem]>;
}
def int_ppc_altivec_vexptefp : PowerPC_Vec_FF_Intrinsic<"vexptefp">;
Index: clang/test/CodeGen/builtins-ppc-p9vector.c
===================================================================
--- clang/test/CodeGen/builtins-ppc-p9vector.c
+++ clang/test/CodeGen/builtins-ppc-p9vector.c
@@ -1260,3 +1260,9 @@
// CHECK-NEXT: ret <2 x i64>
return vec_signextll(vsia);
}
+
+vector unsigned long long test_vbpermd(void) {
+ // CHECK: @llvm.ppc.altivec.vbpermd(<2 x i64>
+ // CHECK-BE: @llvm.ppc.altivec.vbpermd(<2 x i64>
+ return vec_bperm(vula, vuca);
+}
Index: clang/test/CodeGen/builtins-ppc-p8vector.c
===================================================================
--- clang/test/CodeGen/builtins-ppc-p8vector.c
+++ clang/test/CodeGen/builtins-ppc-p8vector.c
@@ -1177,10 +1177,13 @@
// CHECK: llvm.ppc.altivec.vgbbd
// CHECK-LE: llvm.ppc.altivec.vgbbd
- res_vull = vec_bperm(vux, vux);
-// CHECK: llvm.ppc.altivec.vbpermq
-// CHECK-LE: llvm.ppc.altivec.vbpermq
-// CHECK-PPC: warning: implicit declaration of function 'vec_bperm'
+ res_vull = vec_bperm(vux, vuc);
+ // CHECK: llvm.ppc.altivec.vbpermq
+ // CHECK-LE: llvm.ppc.altivec.vbpermq
+
+ res_vull = vec_bperm(vuc, vuc);
+ // CHECK: llvm.ppc.altivec.vbpermq
+ // CHECK-LE: llvm.ppc.altivec.vbpermq
res_vsll = vec_neg(vsll);
// CHECK: sub <2 x i64> zeroinitializer, {{%[0-9]+}}
Index: clang/lib/Headers/altivec.h
===================================================================
--- clang/lib/Headers/altivec.h
+++ clang/lib/Headers/altivec.h
@@ -17369,12 +17369,22 @@
}
#if defined(__powerpc64__) && defined(__SIZEOF_INT128__)
-static __inline__ vector unsigned long long __attribute__((__always_inline__))
+static __inline__ vector unsigned long long __ATTRS_o_ai
vec_bperm(vector unsigned __int128 __a, vector unsigned char __b) {
return __builtin_altivec_vbpermq((vector unsigned char)__a,
(vector unsigned char)__b);
}
#endif
+static __inline__ vector unsigned char __ATTRS_o_ai
+vec_bperm(vector unsigned char __a, vector unsigned char __b) {
+ return __builtin_altivec_vbpermq(__a, __b);
+}
+#endif // __POWER8_VECTOR__
+#ifdef __POWER9_VECTOR__
+static __inline__ vector unsigned long long __ATTRS_o_ai
+vec_bperm(vector unsigned long long __a, vector unsigned char __b) {
+ return __builtin_altivec_vbpermd(__a, __b);
+}
#endif
Index: clang/include/clang/Basic/BuiltinsPPC.def
===================================================================
--- clang/include/clang/Basic/BuiltinsPPC.def
+++ clang/include/clang/Basic/BuiltinsPPC.def
@@ -397,6 +397,7 @@
BUILTIN(__builtin_altivec_vgbbd, "V16UcV16Uc", "")
BUILTIN(__builtin_altivec_vbpermq, "V2ULLiV16UcV16Uc", "")
+BUILTIN(__builtin_altivec_vbpermd, "V2ULLiV2ULLiV16Uc", "")
// P8 Crypto built-ins.
BUILTIN(__builtin_altivec_crypto_vsbox, "V2ULLiV2ULLi", "")
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