arsenm updated this revision to Diff 533007.
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Keep fixing documentation
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https://reviews.llvm.org/D153233/new/
https://reviews.llvm.org/D153233
Files:
clang/docs/LanguageExtensions.rst
clang/docs/ReleaseNotes.rst
clang/include/clang/Basic/Builtins.def
clang/lib/CodeGen/CGBuiltin.cpp
clang/lib/Sema/SemaChecking.cpp
clang/test/CodeGen/builtins-elementwise-math.c
clang/test/CodeGen/strictfp-elementwise-bulitins.cpp
clang/test/Sema/builtins-elementwise-math.c
Index: clang/test/Sema/builtins-elementwise-math.c
===================================================================
--- clang/test/Sema/builtins-elementwise-math.c
+++ clang/test/Sema/builtins-elementwise-math.c
@@ -460,7 +460,6 @@
}
void test_builtin_elementwise_round(int i, float f, double d, float4 v, int3 iv, unsigned u, unsigned4 uv) {
-
struct Foo s = __builtin_elementwise_round(f);
// expected-error@-1 {{initializing 'struct Foo' with an expression of incompatible type 'float'}}
@@ -485,6 +484,56 @@
// expected-error@-1 {{1st argument must be a vector, integer or floating point type (was '_Complex float')}}
}
+void test_builtin_elementwise_rint(int i, float f, double d, float4 v, int3 iv, unsigned u, unsigned4 uv) {
+ struct Foo s = __builtin_elementwise_rint(f);
+ // expected-error@-1 {{initializing 'struct Foo' with an expression of incompatible type 'float'}}
+
+ i = __builtin_elementwise_rint();
+ // expected-error@-1 {{too few arguments to function call, expected 1, have 0}}
+
+ i = __builtin_elementwise_rint(i);
+ // expected-error@-1 {{1st argument must be a floating point type (was 'int')}}
+
+ i = __builtin_elementwise_rint(f, f);
+ // expected-error@-1 {{too many arguments to function call, expected 1, have 2}}
+
+ u = __builtin_elementwise_rint(u);
+ // expected-error@-1 {{1st argument must be a floating point type (was 'unsigned int')}}
+
+ uv = __builtin_elementwise_rint(uv);
+ // expected-error@-1 {{1st argument must be a floating point type (was 'unsigned4' (vector of 4 'unsigned int' values))}}
+
+ // FIXME: Error should not mention integer
+ _Complex float c1, c2;
+ c1 = __builtin_elementwise_rint(c1);
+ // expected-error@-1 {{1st argument must be a vector, integer or floating point type (was '_Complex float')}}
+}
+
+void test_builtin_elementwise_nearbyint(int i, float f, double d, float4 v, int3 iv, unsigned u, unsigned4 uv) {
+ struct Foo s = __builtin_elementwise_nearbyint(f);
+ // expected-error@-1 {{initializing 'struct Foo' with an expression of incompatible type 'float'}}
+
+ i = __builtin_elementwise_nearbyint();
+ // expected-error@-1 {{too few arguments to function call, expected 1, have 0}}
+
+ i = __builtin_elementwise_nearbyint(i);
+ // expected-error@-1 {{1st argument must be a floating point type (was 'int')}}
+
+ i = __builtin_elementwise_nearbyint(f, f);
+ // expected-error@-1 {{too many arguments to function call, expected 1, have 2}}
+
+ u = __builtin_elementwise_nearbyint(u);
+ // expected-error@-1 {{1st argument must be a floating point type (was 'unsigned int')}}
+
+ uv = __builtin_elementwise_nearbyint(uv);
+ // expected-error@-1 {{1st argument must be a floating point type (was 'unsigned4' (vector of 4 'unsigned int' values))}}
+
+ // FIXME: Error should not mention integer
+ _Complex float c1, c2;
+ c1 = __builtin_elementwise_nearbyint(c1);
+ // expected-error@-1 {{1st argument must be a vector, integer or floating point type (was '_Complex float')}}
+}
+
void test_builtin_elementwise_sin(int i, float f, double d, float4 v, int3 iv, unsigned u, unsigned4 uv) {
struct Foo s = __builtin_elementwise_sin(f);
Index: clang/test/CodeGen/strictfp-elementwise-bulitins.cpp
===================================================================
--- /dev/null
+++ clang/test/CodeGen/strictfp-elementwise-bulitins.cpp
@@ -0,0 +1,216 @@
+// NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py UTC_ARGS: --version 2
+// RUN: %clang_cc1 -triple x86_64-linux-gnu -frounding-math -ffp-exception-behavior=strict -O2 -emit-llvm -o - %s | FileCheck %s
+
+typedef float float4 __attribute__((ext_vector_type(4)));
+
+// Sanity check we're getting constrained ops for a non-builtin.
+// CHECK-LABEL: define dso_local noundef <4 x float> @_Z11strict_faddDv4_fS_
+// CHECK-SAME: (<4 x float> noundef [[A:%.*]], <4 x float> noundef [[B:%.*]]) local_unnamed_addr #[[ATTR0:[0-9]+]] {
+// CHECK-NEXT: entry:
+// CHECK-NEXT: [[ADD:%.*]] = tail call <4 x float> @llvm.experimental.constrained.fadd.v4f32(<4 x float> [[A]], <4 x float> [[B]], metadata !"round.dynamic", metadata !"fpexcept.strict") #[[ATTR4:[0-9]+]]
+// CHECK-NEXT: ret <4 x float> [[ADD]]
+//
+float4 strict_fadd(float4 a, float4 b) {
+ return a + b;
+}
+
+// CHECK-LABEL: define dso_local noundef <4 x float> @_Z22strict_elementwise_absDv4_f
+// CHECK-SAME: (<4 x float> noundef [[A:%.*]]) local_unnamed_addr #[[ATTR2:[0-9]+]] {
+// CHECK-NEXT: entry:
+// CHECK-NEXT: [[ELT_ABS:%.*]] = tail call <4 x float> @llvm.fabs.v4f32(<4 x float> [[A]]) #[[ATTR4]]
+// CHECK-NEXT: ret <4 x float> [[ELT_ABS]]
+//
+float4 strict_elementwise_abs(float4 a) {
+ return __builtin_elementwise_abs(a);
+}
+
+// CHECK-LABEL: define dso_local noundef <4 x float> @_Z22strict_elementwise_maxDv4_fS_
+// CHECK-SAME: (<4 x float> noundef [[A:%.*]], <4 x float> noundef [[B:%.*]]) local_unnamed_addr #[[ATTR2]] {
+// CHECK-NEXT: entry:
+// CHECK-NEXT: [[ELT_MAX:%.*]] = tail call <4 x float> @llvm.maxnum.v4f32(<4 x float> [[A]], <4 x float> [[B]]) #[[ATTR4]]
+// CHECK-NEXT: ret <4 x float> [[ELT_MAX]]
+//
+float4 strict_elementwise_max(float4 a, float4 b) {
+ return __builtin_elementwise_max(a, b);
+}
+
+// CHECK-LABEL: define dso_local noundef <4 x float> @_Z22strict_elementwise_minDv4_fS_
+// CHECK-SAME: (<4 x float> noundef [[A:%.*]], <4 x float> noundef [[B:%.*]]) local_unnamed_addr #[[ATTR2]] {
+// CHECK-NEXT: entry:
+// CHECK-NEXT: [[ELT_MIN:%.*]] = tail call <4 x float> @llvm.minnum.v4f32(<4 x float> [[A]], <4 x float> [[B]]) #[[ATTR4]]
+// CHECK-NEXT: ret <4 x float> [[ELT_MIN]]
+//
+float4 strict_elementwise_min(float4 a, float4 b) {
+ return __builtin_elementwise_min(a, b);
+}
+
+// CHECK-LABEL: define dso_local noundef <4 x float> @_Z23strict_elementwise_ceilDv4_f
+// CHECK-SAME: (<4 x float> noundef [[A:%.*]]) local_unnamed_addr #[[ATTR2]] {
+// CHECK-NEXT: entry:
+// CHECK-NEXT: [[ELT_CEIL:%.*]] = tail call <4 x float> @llvm.ceil.v4f32(<4 x float> [[A]]) #[[ATTR4]]
+// CHECK-NEXT: ret <4 x float> [[ELT_CEIL]]
+//
+float4 strict_elementwise_ceil(float4 a) {
+ return __builtin_elementwise_ceil(a);
+}
+
+// CHECK-LABEL: define dso_local noundef <4 x float> @_Z22strict_elementwise_cosDv4_f
+// CHECK-SAME: (<4 x float> noundef [[A:%.*]]) local_unnamed_addr #[[ATTR2]] {
+// CHECK-NEXT: entry:
+// CHECK-NEXT: [[ELT_COS:%.*]] = tail call <4 x float> @llvm.cos.v4f32(<4 x float> [[A]]) #[[ATTR4]]
+// CHECK-NEXT: ret <4 x float> [[ELT_COS]]
+//
+float4 strict_elementwise_cos(float4 a) {
+ return __builtin_elementwise_cos(a);
+}
+
+// CHECK-LABEL: define dso_local noundef <4 x float> @_Z22strict_elementwise_expDv4_f
+// CHECK-SAME: (<4 x float> noundef [[A:%.*]]) local_unnamed_addr #[[ATTR2]] {
+// CHECK-NEXT: entry:
+// CHECK-NEXT: [[ELT_EXP:%.*]] = tail call <4 x float> @llvm.exp.v4f32(<4 x float> [[A]]) #[[ATTR4]]
+// CHECK-NEXT: ret <4 x float> [[ELT_EXP]]
+//
+float4 strict_elementwise_exp(float4 a) {
+ return __builtin_elementwise_exp(a);
+}
+
+// CHECK-LABEL: define dso_local noundef <4 x float> @_Z23strict_elementwise_exp2Dv4_f
+// CHECK-SAME: (<4 x float> noundef [[A:%.*]]) local_unnamed_addr #[[ATTR2]] {
+// CHECK-NEXT: entry:
+// CHECK-NEXT: [[ELT_EXP2:%.*]] = tail call <4 x float> @llvm.exp2.v4f32(<4 x float> [[A]]) #[[ATTR4]]
+// CHECK-NEXT: ret <4 x float> [[ELT_EXP2]]
+//
+float4 strict_elementwise_exp2(float4 a) {
+ return __builtin_elementwise_exp2(a);
+}
+
+// CHECK-LABEL: define dso_local noundef <4 x float> @_Z24strict_elementwise_floorDv4_f
+// CHECK-SAME: (<4 x float> noundef [[A:%.*]]) local_unnamed_addr #[[ATTR2]] {
+// CHECK-NEXT: entry:
+// CHECK-NEXT: [[ELT_FLOOR:%.*]] = tail call <4 x float> @llvm.floor.v4f32(<4 x float> [[A]]) #[[ATTR4]]
+// CHECK-NEXT: ret <4 x float> [[ELT_FLOOR]]
+//
+float4 strict_elementwise_floor(float4 a) {
+ return __builtin_elementwise_floor(a);
+}
+
+// CHECK-LABEL: define dso_local noundef <4 x float> @_Z22strict_elementwise_logDv4_f
+// CHECK-SAME: (<4 x float> noundef [[A:%.*]]) local_unnamed_addr #[[ATTR2]] {
+// CHECK-NEXT: entry:
+// CHECK-NEXT: [[ELT_LOG:%.*]] = tail call <4 x float> @llvm.log.v4f32(<4 x float> [[A]]) #[[ATTR4]]
+// CHECK-NEXT: ret <4 x float> [[ELT_LOG]]
+//
+float4 strict_elementwise_log(float4 a) {
+ return __builtin_elementwise_log(a);
+}
+
+// CHECK-LABEL: define dso_local noundef <4 x float> @_Z23strict_elementwise_log2Dv4_f
+// CHECK-SAME: (<4 x float> noundef [[A:%.*]]) local_unnamed_addr #[[ATTR2]] {
+// CHECK-NEXT: entry:
+// CHECK-NEXT: [[ELT_LOG2:%.*]] = tail call <4 x float> @llvm.log2.v4f32(<4 x float> [[A]]) #[[ATTR4]]
+// CHECK-NEXT: ret <4 x float> [[ELT_LOG2]]
+//
+float4 strict_elementwise_log2(float4 a) {
+ return __builtin_elementwise_log2(a);
+}
+
+// CHECK-LABEL: define dso_local noundef <4 x float> @_Z24strict_elementwise_log10Dv4_f
+// CHECK-SAME: (<4 x float> noundef [[A:%.*]]) local_unnamed_addr #[[ATTR2]] {
+// CHECK-NEXT: entry:
+// CHECK-NEXT: [[ELT_LOG2:%.*]] = tail call <4 x float> @llvm.log2.v4f32(<4 x float> [[A]]) #[[ATTR4]]
+// CHECK-NEXT: ret <4 x float> [[ELT_LOG2]]
+//
+float4 strict_elementwise_log10(float4 a) {
+ return __builtin_elementwise_log2(a);
+}
+
+// CHECK-LABEL: define dso_local noundef <4 x float> @_Z28strict_elementwise_roundevenDv4_f
+// CHECK-SAME: (<4 x float> noundef [[A:%.*]]) local_unnamed_addr #[[ATTR2]] {
+// CHECK-NEXT: entry:
+// CHECK-NEXT: [[ELT_ROUNDEVEN:%.*]] = tail call <4 x float> @llvm.roundeven.v4f32(<4 x float> [[A]]) #[[ATTR4]]
+// CHECK-NEXT: ret <4 x float> [[ELT_ROUNDEVEN]]
+//
+float4 strict_elementwise_roundeven(float4 a) {
+ return __builtin_elementwise_roundeven(a);
+}
+
+// CHECK-LABEL: define dso_local noundef <4 x float> @_Z24strict_elementwise_roundDv4_f
+// CHECK-SAME: (<4 x float> noundef [[A:%.*]]) local_unnamed_addr #[[ATTR2]] {
+// CHECK-NEXT: entry:
+// CHECK-NEXT: [[ELT_ROUND:%.*]] = tail call <4 x float> @llvm.round.v4f32(<4 x float> [[A]]) #[[ATTR4]]
+// CHECK-NEXT: ret <4 x float> [[ELT_ROUND]]
+//
+float4 strict_elementwise_round(float4 a) {
+ return __builtin_elementwise_round(a);
+}
+
+// CHECK-LABEL: define dso_local noundef <4 x float> @_Z23strict_elementwise_rintDv4_f
+// CHECK-SAME: (<4 x float> noundef [[A:%.*]]) local_unnamed_addr #[[ATTR2]] {
+// CHECK-NEXT: entry:
+// CHECK-NEXT: [[ELT_RINT:%.*]] = tail call <4 x float> @llvm.rint.v4f32(<4 x float> [[A]]) #[[ATTR4]]
+// CHECK-NEXT: ret <4 x float> [[ELT_RINT]]
+//
+float4 strict_elementwise_rint(float4 a) {
+ return __builtin_elementwise_rint(a);
+}
+
+// CHECK-LABEL: define dso_local noundef <4 x float> @_Z28strict_elementwise_nearbyintDv4_f
+// CHECK-SAME: (<4 x float> noundef [[A:%.*]]) local_unnamed_addr #[[ATTR2]] {
+// CHECK-NEXT: entry:
+// CHECK-NEXT: [[ELT_NEARBYINT:%.*]] = tail call <4 x float> @llvm.nearbyint.v4f32(<4 x float> [[A]]) #[[ATTR4]]
+// CHECK-NEXT: ret <4 x float> [[ELT_NEARBYINT]]
+//
+float4 strict_elementwise_nearbyint(float4 a) {
+ return __builtin_elementwise_nearbyint(a);
+}
+
+// CHECK-LABEL: define dso_local noundef <4 x float> @_Z22strict_elementwise_sinDv4_f
+// CHECK-SAME: (<4 x float> noundef [[A:%.*]]) local_unnamed_addr #[[ATTR2]] {
+// CHECK-NEXT: entry:
+// CHECK-NEXT: [[ELT_SIN:%.*]] = tail call <4 x float> @llvm.sin.v4f32(<4 x float> [[A]]) #[[ATTR4]]
+// CHECK-NEXT: ret <4 x float> [[ELT_SIN]]
+//
+float4 strict_elementwise_sin(float4 a) {
+ return __builtin_elementwise_sin(a);
+}
+
+// CHECK-LABEL: define dso_local noundef <4 x float> @_Z24strict_elementwise_truncDv4_f
+// CHECK-SAME: (<4 x float> noundef [[A:%.*]]) local_unnamed_addr #[[ATTR2]] {
+// CHECK-NEXT: entry:
+// CHECK-NEXT: [[ELT_TRUNC:%.*]] = tail call <4 x float> @llvm.trunc.v4f32(<4 x float> [[A]]) #[[ATTR4]]
+// CHECK-NEXT: ret <4 x float> [[ELT_TRUNC]]
+//
+float4 strict_elementwise_trunc(float4 a) {
+ return __builtin_elementwise_trunc(a);
+}
+
+// CHECK-LABEL: define dso_local noundef <4 x float> @_Z31strict_elementwise_canonicalizeDv4_f
+// CHECK-SAME: (<4 x float> noundef [[A:%.*]]) local_unnamed_addr #[[ATTR2]] {
+// CHECK-NEXT: entry:
+// CHECK-NEXT: [[ELT_TRUNC:%.*]] = tail call <4 x float> @llvm.canonicalize.v4f32(<4 x float> [[A]]) #[[ATTR4]]
+// CHECK-NEXT: ret <4 x float> [[ELT_TRUNC]]
+//
+float4 strict_elementwise_canonicalize(float4 a) {
+ return __builtin_elementwise_canonicalize(a);
+}
+
+// CHECK-LABEL: define dso_local noundef <4 x float> @_Z27strict_elementwise_copysignDv4_fS_
+// CHECK-SAME: (<4 x float> noundef [[A:%.*]], <4 x float> noundef [[B:%.*]]) local_unnamed_addr #[[ATTR2]] {
+// CHECK-NEXT: entry:
+// CHECK-NEXT: [[TMP0:%.*]] = tail call <4 x float> @llvm.copysign.v4f32(<4 x float> [[A]], <4 x float> [[B]]) #[[ATTR4]]
+// CHECK-NEXT: ret <4 x float> [[TMP0]]
+//
+float4 strict_elementwise_copysign(float4 a, float4 b) {
+ return __builtin_elementwise_copysign(a, b);
+}
+
+// CHECK-LABEL: define dso_local noundef <4 x float> @_Z22strict_elementwise_fmaDv4_fS_S_
+// CHECK-SAME: (<4 x float> noundef [[A:%.*]], <4 x float> noundef [[B:%.*]], <4 x float> noundef [[C:%.*]]) local_unnamed_addr #[[ATTR2]] {
+// CHECK-NEXT: entry:
+// CHECK-NEXT: [[TMP0:%.*]] = tail call <4 x float> @llvm.fma.v4f32(<4 x float> [[A]], <4 x float> [[B]], <4 x float> [[C]]) #[[ATTR4]]
+// CHECK-NEXT: ret <4 x float> [[TMP0]]
+//
+float4 strict_elementwise_fma(float4 a, float4 b, float4 c) {
+ return __builtin_elementwise_fma(a, b, c);
+}
+
Index: clang/test/CodeGen/builtins-elementwise-math.c
===================================================================
--- clang/test/CodeGen/builtins-elementwise-math.c
+++ clang/test/CodeGen/builtins-elementwise-math.c
@@ -484,6 +484,38 @@
vf2 = __builtin_elementwise_round(vf1);
}
+void test_builtin_elementwise_rint(float f1, float f2, double d1, double d2,
+ float4 vf1, float4 vf2) {
+ // CHECK-LABEL: define void @test_builtin_elementwise_rint(
+ // CHECK: [[F1:%.+]] = load float, ptr %f1.addr, align 4
+ // CHECK-NEXT: call float @llvm.rint.f32(float [[F1]])
+ f2 = __builtin_elementwise_rint(f1);
+
+ // CHECK: [[D1:%.+]] = load double, ptr %d1.addr, align 8
+ // CHECK-NEXT: call double @llvm.rint.f64(double [[D1]])
+ d2 = __builtin_elementwise_rint(d1);
+
+ // CHECK: [[VF1:%.+]] = load <4 x float>, ptr %vf1.addr, align 16
+ // CHECK-NEXT: call <4 x float> @llvm.rint.v4f32(<4 x float> [[VF1]])
+ vf2 = __builtin_elementwise_rint(vf1);
+}
+
+void test_builtin_elementwise_nearbyint(float f1, float f2, double d1, double d2,
+ float4 vf1, float4 vf2) {
+ // CHECK-LABEL: define void @test_builtin_elementwise_nearbyint(
+ // CHECK: [[F1:%.+]] = load float, ptr %f1.addr, align 4
+ // CHECK-NEXT: call float @llvm.nearbyint.f32(float [[F1]])
+ f2 = __builtin_elementwise_nearbyint(f1);
+
+ // CHECK: [[D1:%.+]] = load double, ptr %d1.addr, align 8
+ // CHECK-NEXT: call double @llvm.nearbyint.f64(double [[D1]])
+ d2 = __builtin_elementwise_nearbyint(d1);
+
+ // CHECK: [[VF1:%.+]] = load <4 x float>, ptr %vf1.addr, align 16
+ // CHECK-NEXT: call <4 x float> @llvm.nearbyint.v4f32(<4 x float> [[VF1]])
+ vf2 = __builtin_elementwise_nearbyint(vf1);
+}
+
void test_builtin_elementwise_sin(float f1, float f2, double d1, double d2,
float4 vf1, float4 vf2) {
// CHECK-LABEL: define void @test_builtin_elementwise_sin(
Index: clang/lib/Sema/SemaChecking.cpp
===================================================================
--- clang/lib/Sema/SemaChecking.cpp
+++ clang/lib/Sema/SemaChecking.cpp
@@ -2637,6 +2637,8 @@
case Builtin::BI__builtin_elementwise_log10:
case Builtin::BI__builtin_elementwise_roundeven:
case Builtin::BI__builtin_elementwise_round:
+ case Builtin::BI__builtin_elementwise_rint:
+ case Builtin::BI__builtin_elementwise_nearbyint:
case Builtin::BI__builtin_elementwise_sin:
case Builtin::BI__builtin_elementwise_trunc:
case Builtin::BI__builtin_elementwise_canonicalize: {
Index: clang/lib/CodeGen/CGBuiltin.cpp
===================================================================
--- clang/lib/CodeGen/CGBuiltin.cpp
+++ clang/lib/CodeGen/CGBuiltin.cpp
@@ -3197,6 +3197,12 @@
case Builtin::BI__builtin_elementwise_round:
return RValue::get(emitUnaryBuiltin(*this, E, llvm::Intrinsic::round,
"elt.round"));
+ case Builtin::BI__builtin_elementwise_rint:
+ return RValue::get(emitUnaryBuiltin(*this, E, llvm::Intrinsic::rint,
+ "elt.rint"));
+ case Builtin::BI__builtin_elementwise_nearbyint:
+ return RValue::get(emitUnaryBuiltin(*this, E, llvm::Intrinsic::nearbyint,
+ "elt.nearbyint"));
case Builtin::BI__builtin_elementwise_sin:
return RValue::get(
emitUnaryBuiltin(*this, E, llvm::Intrinsic::sin, "elt.sin"));
Index: clang/include/clang/Basic/Builtins.def
===================================================================
--- clang/include/clang/Basic/Builtins.def
+++ clang/include/clang/Basic/Builtins.def
@@ -688,6 +688,8 @@
BUILTIN(__builtin_elementwise_log10, "v.", "nct")
BUILTIN(__builtin_elementwise_roundeven, "v.", "nct")
BUILTIN(__builtin_elementwise_round, "v.", "nct")
+BUILTIN(__builtin_elementwise_rint, "v.", "nct")
+BUILTIN(__builtin_elementwise_nearbyint, "v.", "nct")
BUILTIN(__builtin_elementwise_sin, "v.", "nct")
BUILTIN(__builtin_elementwise_trunc, "v.", "nct")
BUILTIN(__builtin_elementwise_canonicalize, "v.", "nct")
Index: clang/docs/ReleaseNotes.rst
===================================================================
--- clang/docs/ReleaseNotes.rst
+++ clang/docs/ReleaseNotes.rst
@@ -231,7 +231,12 @@
- Added ``__builtin_elementwise_round`` for builtin for floating
point types. This allows access to ``llvm.round`` for
arbitrary floating-point and vector of floating-point types.
-
+- Added ``__builtin_elementwise_rint`` for floating point types. This
+ allows access to ``llvm.rint`` for arbitrary floating-point and
+ vector of floating-point types.
+- Added ``__builtin_elementwise_nearbyint`` for floating point
+ types. This allows access to ``llvm.nearbyint`` for arbitrary
+ floating-point and vector of floating-point types.
New Compiler Flags
------------------
Index: clang/docs/LanguageExtensions.rst
===================================================================
--- clang/docs/LanguageExtensions.rst
+++ clang/docs/LanguageExtensions.rst
@@ -651,6 +651,19 @@
exceptions.
T __builtin_elementwise_trunc(T x) return the integral value nearest to but no larger in floating point types
magnitude than x
+
+ T __builtin_elementwise_nearbyint(T x) round x to the nearest integer value in floating point format, floating point types
+ rounding according to the current rounding direction.
+ May not raise the inexact floating-point exception. This is
+ treated the same as ``__builtin_elementwise_rint`` unless
+ :ref:`FENV_ACCESS is enabled <floating-point-environment>`.
+
+ T __builtin_elementwise_rint(T x) round x to the nearest integer value in floating point format, floating point types
+ rounding according to the current rounding
+ direction. May raise floating-point exceptions. This is treated
+ the same as ``__builtin_elementwise_nearbyint`` unless
+ :ref:`FENV_ACCESS is enabled <floating-point-environment>`.
+
T __builtin_elementwise_canonicalize(T x) return the platform specific canonical encoding floating point types
of a floating-point number
T __builtin_elementwise_copysign(T x, T y) return the magnitude of x with the sign of y. floating point types
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