[PATCH] D26002: Implement vector count leading/trailing bytes with zero lsb and vector parity builtins - clang portion

Wed, 26 Oct 2016 11:41:14 -0700 

syzaara created this revision.
syzaara added reviewers: nemanjai, kbarton, amehsan, sfertile, jtony, lei.
syzaara added subscribers: cfe-commits, echristo.

Implement builtins for prototypes:
signed int vec_cntlz_lsbb (vector signed char);
signed int vec_cntlz_lsbb (vector unsigned char);
signed int vec_cnttz_lsbb (vector signed char);
signed int vec_cnttz_lsbb (vector unsigned char);
vector unsigned int vec_parity_lsbb (vector signed int);
vector unsigned int vec_parity_lsbb (vector unsigned int);
vector unsigned __int128 vec_parity_lsbb (vector signed __int128);
vector unsigned __int128 vec_parity_lsbb (vector unsigned __int128);
vector unsigned long long vec_parity_lsbb (vector signed long long);
vector unsigned long long vec_parity_lsbb (vector unsigned long long);


https://reviews.llvm.org/D26002

Files:
  include/clang/Basic/BuiltinsPPC.def
  lib/Headers/altivec.h
  test/CodeGen/builtins-ppc-p9vector.c


Index: test/CodeGen/builtins-ppc-p9vector.c
===================================================================
--- test/CodeGen/builtins-ppc-p9vector.c
+++ test/CodeGen/builtins-ppc-p9vector.c
@@ -23,6 +23,8 @@
 vector bool long long vbla, vblb;
 vector float vfa, vfb;
 vector double vda, vdb;
+vector unsigned __int128 vui128a, vui128b;
+vector signed __int128 vsi128a, vsi128b;
 
 unsigned test1(void) {
 // CHECK-BE: @llvm.ppc.altivec.vcmpequb(<16 x i8>
@@ -698,3 +700,78 @@
 // CHECK-NEXT: ret <8 x i16>
   return vec_popcnt (vusa);
 }
+signed int test59(void) {
+// CHECK-BE: @llvm.ppc.altivec.vclzlsbb(<16 x i8>
+// CHECK-BE-NEXT: ret i32
+// CHECK-LE: @llvm.ppc.altivec.vctzlsbb(<16 x i8>
+// CHECK-LE-NEXT: ret i32
+  return vec_cntlz_lsbb (vuca);
+}
+signed int test60(void) {
+// CHECK-BE: @llvm.ppc.altivec.vclzlsbb(<16 x i8>
+// CHECK-BE-NEXT: ret i32
+// CHECK-LE: @llvm.ppc.altivec.vctzlsbb(<16 x i8>
+// CHECK-LE-NEXT: ret i32
+  return vec_cntlz_lsbb (vsca);
+}
+signed int test61(void) {
+// CHECK-BE: @llvm.ppc.altivec.vctzlsbb(<16 x i8>
+// CHECK-BE-NEXT: ret i32
+// CHECK-LE: @llvm.ppc.altivec.vclzlsbb(<16 x i8>
+// CHECK-LE-NEXT: ret i32
+  return vec_cnttz_lsbb (vsca);
+}
+signed int test62(void) {
+// CHECK-BE: @llvm.ppc.altivec.vctzlsbb(<16 x i8>
+// CHECK-BE-NEXT: ret i32
+// CHECK-LE: @llvm.ppc.altivec.vclzlsbb(<16 x i8>
+// CHECK-LE-NEXT: ret i32
+  return vec_cnttz_lsbb (vuca);
+}
+
+vector unsigned int test63(void) {
+// CHECK-BE: @llvm.ppc.altivec.vprtybw(<4 x i32>
+// CHECK-BE-NEXT: ret <4 x i32>
+// CHECK: @llvm.ppc.altivec.vprtybw(<4 x i32>
+// CHECK-NEXT: ret <4 x i32>
+  return vec_parity_lsbb (vuia);
+}
+
+vector unsigned int test64(void) {
+// CHECK-BE: @llvm.ppc.altivec.vprtybw(<4 x i32>
+// CHECK-BE-NEXT: ret <4 x i32>
+// CHECK: @llvm.ppc.altivec.vprtybw(<4 x i32>
+// CHECK-NEXT: ret <4 x i32>
+  return vec_parity_lsbb (vsia);
+}
+
+vector unsigned long long test65(void) {
+// CHECK-BE: @llvm.ppc.altivec.vprtybd(<2 x i64>
+// CHECK-BE-NEXT: ret <2 x i64>
+// CHECK: @llvm.ppc.altivec.vprtybd(<2 x i64>
+// CHECK-NEXT: ret <2 x i64>
+  return vec_parity_lsbb (vula);
+}
+
+vector unsigned long long test66(void) {
+// CHECK-BE: @llvm.ppc.altivec.vprtybd(<2 x i64>
+// CHECK-BE-NEXT: ret <2 x i64>
+// CHECK: @llvm.ppc.altivec.vprtybd(<2 x i64>
+// CHECK-NEXT: ret <2 x i64>
+  return vec_parity_lsbb (vsla);
+}
+vector unsigned __int128 test67(void) {
+// CHECK-BE: @llvm.ppc.altivec.vprtybq(<1 x i128>
+// CHECK-BE-NEXT: ret <1 x i128>
+// CHECK: @llvm.ppc.altivec.vprtybq(<1 x i128>
+// CHECK-NEXT: ret <1 x i128>
+  return vec_parity_lsbb (vui128a);
+}
+
+vector unsigned __int128 test68(void) {
+// CHECK-BE: @llvm.ppc.altivec.vprtybq(<1 x i128>
+// CHECK-BE-NEXT: ret <1 x i128>
+// CHECK: @llvm.ppc.altivec.vprtybq(<1 x i128>
+// CHECK-NEXT: ret <1 x i128>
+  return vec_parity_lsbb (vsi128a);
+}
Index: lib/Headers/altivec.h
===================================================================
--- lib/Headers/altivec.h
+++ lib/Headers/altivec.h
@@ -2497,6 +2497,72 @@
   return __res[0] >> 5;
 }
 
+static __inline__ signed int __ATTRS_o_ai
+vec_cntlz_lsbb(vector signed char __a) {
+#ifdef __LITTLE_ENDIAN__
+  return __builtin_altivec_vctzlsbb(__a);
+#else
+  return __builtin_altivec_vclzlsbb(__a);
+#endif
+}
+
+static __inline__ signed int __ATTRS_o_ai
+vec_cntlz_lsbb(vector unsigned char __a) {
+#ifdef __LITTLE_ENDIAN__
+  return __builtin_altivec_vctzlsbb(__a);
+#else
+  return __builtin_altivec_vclzlsbb(__a);
+#endif
+}
+
+static __inline__ signed int __ATTRS_o_ai
+vec_cnttz_lsbb(vector signed char __a) {
+#ifdef __LITTLE_ENDIAN__
+  return __builtin_altivec_vclzlsbb(__a);
+#else
+  return __builtin_altivec_vctzlsbb(__a);
+#endif
+}
+
+static __inline__ signed int __ATTRS_o_ai
+vec_cnttz_lsbb(vector unsigned char __a) {
+#ifdef __LITTLE_ENDIAN__
+  return __builtin_altivec_vclzlsbb(__a);
+#else
+  return __builtin_altivec_vctzlsbb(__a);
+#endif
+}
+
+static __inline__ vector unsigned int __ATTRS_o_ai
+vec_parity_lsbb(vector unsigned int __a) {
+  return __builtin_altivec_vprtybw(__a);
+}
+
+static __inline__ vector unsigned int __ATTRS_o_ai
+vec_parity_lsbb(vector signed int __a) {
+  return __builtin_altivec_vprtybw(__a);
+}
+
+static __inline__ vector unsigned __int128 __ATTRS_o_ai
+vec_parity_lsbb(vector unsigned __int128 __a) {
+  return __builtin_altivec_vprtybq(__a);
+}
+
+static __inline__ vector unsigned __int128 __ATTRS_o_ai
+vec_parity_lsbb(vector signed __int128 __a) {
+  return __builtin_altivec_vprtybq(__a);
+}
+
+static __inline__ vector unsigned long long __ATTRS_o_ai
+vec_parity_lsbb(vector unsigned long long __a) {
+  return __builtin_altivec_vprtybd(__a);
+}
+
+static __inline__ vector unsigned long long __ATTRS_o_ai
+vec_parity_lsbb(vector signed long long __a) {
+  return __builtin_altivec_vprtybd(__a);
+}
+
 #endif
 
 /* vec_cpsgn */
Index: include/clang/Basic/BuiltinsPPC.def
===================================================================
--- include/clang/Basic/BuiltinsPPC.def
+++ include/clang/Basic/BuiltinsPPC.def
@@ -272,6 +272,13 @@
 BUILTIN(__builtin_altivec_vctzw, "V4UiV4Ui", "")
 BUILTIN(__builtin_altivec_vctzd, "V2ULLiV2ULLi", "")
 
+
+BUILTIN(__builtin_altivec_vclzlsbb, "SiV16Uc", "")
+BUILTIN(__builtin_altivec_vctzlsbb, "SiV16Uc", "")
+BUILTIN(__builtin_altivec_vprtybw, "V4UiV4Ui", "")
+BUILTIN(__builtin_altivec_vprtybd, "V2ULLiV2ULLi", "")
+BUILTIN(__builtin_altivec_vprtybq, "V1ULLLiV1ULLLi", "")
+
 // Vector population count built-ins
 BUILTIN(__builtin_altivec_vpopcntb, "V16UcV16Uc", "")
 BUILTIN(__builtin_altivec_vpopcnth, "V8UsV8Us", "")

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