[AArch64] Add support for NEON scalar signed saturating absolute value and

scalar signed saturating negate instructions.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@192734 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/include/clang/Basic/arm_neon.td b/include/clang/Basic/arm_neon.td
index bb28dc67771dd0373e7b9000031b9c0bb266c94a..2cca85cc95b5dde67979d786ff4275342f07140d 100644 (file)
--- a/include/clang/Basic/arm_neon.td
+++ b/include/clang/Basic/arm_neon.td
@@ -855,4 +855,11 @@ def SCALAR_CMGTZ : SInst<"vcgtz", "ss", "Sl">;
 def SCALAR_CMHI : SInst<"vcgt", "sss", "SUl">;
 def SCALAR_CMTST : SInst<"vtst", "sss", "SlSUl">;
 
+////////////////////////////////////////////////////////////////////////////////
+// Scalar Signed Saturating Absolute Value
+def SCALAR_SQABS : SInst<"vqabs", "ss", "ScSsSiSl">;
+
+////////////////////////////////////////////////////////////////////////////////
+// Scalar Signed Saturating Negate
+def SCALAR_SQNEG : SInst<"vqneg", "ss", "ScSsSiSl">;
 }

diff --git a/lib/CodeGen/CGBuiltin.cpp b/lib/CodeGen/CGBuiltin.cpp
index e5361eeebe280357c78f8a4e851702aac1ffdc9d..361758c51b4e8d49c1ee67f9980b866498301ac9 100644 (file)
--- a/lib/CodeGen/CGBuiltin.cpp
+++ b/lib/CodeGen/CGBuiltin.cpp
@@ -2074,6 +2074,20 @@ static Value *EmitAArch64ScalarBuiltinExpr(CodeGenFunction &CGF,
   case AArch64::BI__builtin_neon_vtstd_u64:
     Int = Intrinsic::aarch64_neon_vtstd; s = "vtst";
     OverloadInt = false; break;
+  // Scalar Signed Saturating Absolute Value
+  case AArch64::BI__builtin_neon_vqabsb_s8:
+  case AArch64::BI__builtin_neon_vqabsh_s16:
+  case AArch64::BI__builtin_neon_vqabss_s32:
+  case AArch64::BI__builtin_neon_vqabsd_s64:
+    Int = Intrinsic::arm_neon_vqabs;
+    s = "vqabs"; OverloadInt = true; break;
+  // Scalar Signed Saturating Negate
+  case AArch64::BI__builtin_neon_vqnegb_s8:
+  case AArch64::BI__builtin_neon_vqnegh_s16:
+  case AArch64::BI__builtin_neon_vqnegs_s32:
+  case AArch64::BI__builtin_neon_vqnegd_s64:
+    Int = Intrinsic::arm_neon_vqneg;
+    s = "vqneg"; OverloadInt = true; break;
   }
 
   if (!Int)

diff --git a/test/CodeGen/aarch64-neon-intrinsics.c b/test/CodeGen/aarch64-neon-intrinsics.c
index e4a97ea7d61b850388781f8ce6d1781c75ebd72e..a77b56eb716030b0e3eafd94f7771300626bd605 100644 (file)
--- a/test/CodeGen/aarch64-neon-intrinsics.c
+++ b/test/CodeGen/aarch64-neon-intrinsics.c
@@ -7117,3 +7117,51 @@ uint64_t test_vtstd_u64(uint64_t a, uint64_t b) {
 // CHECK: cmtst {{d[0-9]+}}, {{d[0-9]+}}, {{d[0-9]+}}
   return (uint64_t)vtstd_u64(a, b);
 }
+
+int8_t test_vqabsb_s8(int8_t a) {
+// CHECK: test_vqabsb_s8
+// CHECK: sqabs {{b[0-9]+}}, {{b[0-9]+}}
+  return (int8_t)vqabsb_s8(a);
+}
+
+int16_t test_vqabsh_s16(int16_t a) {
+// CHECK: test_vqabsh_s16
+// CHECK: sqabs {{h[0-9]+}}, {{h[0-9]+}}
+  return (int16_t)vqabsh_s16(a);
+}
+
+int32_t test_vqabss_s32(int32_t a) {
+// CHECK: test_vqabss_s32
+// CHECK: sqabs {{s[0-9]+}}, {{s[0-9]+}}
+  return (int32_t)vqabss_s32(a);
+}
+
+int64_t test_vqabsd_s64(int64_t a) {
+// CHECK: test_vqabsd_s64
+// CHECK: sqabs {{d[0-9]+}}, {{d[0-9]+}}
+  return (int64_t)vqabsd_s64(a);
+}
+
+int8_t test_vqnegb_s8(int8_t a) {
+// CHECK: test_vqnegb_s8
+// CHECK: sqneg {{b[0-9]+}}, {{b[0-9]+}}
+  return (int8_t)vqnegb_s8(a);
+}
+
+int16_t test_vqnegh_s16(int16_t a) {
+// CHECK: test_vqnegh_s16
+// CHECK: sqneg {{h[0-9]+}}, {{h[0-9]+}}
+  return (int16_t)vqnegh_s16(a);
+}
+
+int32_t test_vqnegs_s32(int32_t a) {
+// CHECK: test_vqnegs_s32
+// CHECK: sqneg {{s[0-9]+}}, {{s[0-9]+}}
+  return (int32_t)vqnegs_s32(a);
+}
+
+int64_t test_vqnegd_s64(int64_t a) {
+// CHECK: test_vqnegd_s64
+// CHECK: sqneg {{d[0-9]+}}, {{d[0-9]+}}
+  return (int64_t)vqnegd_s64(a);
+}