18 files changed, 304 insertions, 6 deletions
diff --git a/libc/src/dlfcn/dladdr.cpp b/libc/src/dlfcn/dladdr.cpp
index 61490fd..3db68b4 100644
--- a/libc/src/dlfcn/dladdr.cpp
+++ b/libc/src/dlfcn/dladdr.cpp
@@ -14,7 +14,8 @@
 namespace LIBC_NAMESPACE_DECL {
 
 // TODO: https:// github.com/llvm/llvm-project/issues/97929
-LLVM_LIBC_FUNCTION(int, dladdr, (const void *addr, Dl_info *info)) {
+LLVM_LIBC_FUNCTION(int, dladdr,
+                   (const void *__restrict addr, Dl_info *__restrict info)) {
   return -1;
 }
 
diff --git a/libc/src/dlfcn/dladdr.h b/libc/src/dlfcn/dladdr.h
index 346fc8d..abbc9a9 100644
--- a/libc/src/dlfcn/dladdr.h
+++ b/libc/src/dlfcn/dladdr.h
@@ -13,7 +13,7 @@
 
 namespace LIBC_NAMESPACE_DECL {
 
-int dladdr(const void *, Dl_info *);
+int dladdr(const void *__restrict, Dl_info *__restrict);
 
 } // namespace LIBC_NAMESPACE_DECL
 
diff --git a/libc/src/dlfcn/dlinfo.cpp b/libc/src/dlfcn/dlinfo.cpp
index d78cade..e1938d1 100644
--- a/libc/src/dlfcn/dlinfo.cpp
+++ b/libc/src/dlfcn/dlinfo.cpp
@@ -16,7 +16,8 @@ namespace LIBC_NAMESPACE_DECL {
 
 // TODO: https://github.com/llvm/llvm-project/issues/149911
 LLVM_LIBC_FUNCTION(int, dlinfo,
-                   (void *restrict handle, int request, void *restrict info)) {
+                   (void *__restrict handle, int request,
+                    void *__restrict info)) {
   return -1;
 }
 
diff --git a/libc/src/dlfcn/dlinfo.h b/libc/src/dlfcn/dlinfo.h
index c2c34f0..bc13152 100644
--- a/libc/src/dlfcn/dlinfo.h
+++ b/libc/src/dlfcn/dlinfo.h
@@ -13,7 +13,7 @@
 
 namespace LIBC_NAMESPACE_DECL {
 
-int dlinfo(void *restrict, int, void *restrict);
+int dlinfo(void *__restrict, int, void *__restrict);
 
 } // namespace LIBC_NAMESPACE_DECL
 
diff --git a/libc/src/dlfcn/dlsym.cpp b/libc/src/dlfcn/dlsym.cpp
index c075c20..dc0da7d 100644
--- a/libc/src/dlfcn/dlsym.cpp
+++ b/libc/src/dlfcn/dlsym.cpp
@@ -14,6 +14,8 @@
 namespace LIBC_NAMESPACE_DECL {
 
 // TODO(@izaakschroeder): https://github.com/llvm/llvm-project/issues/97920
-LLVM_LIBC_FUNCTION(void *, dlsym, (void *, const char *)) { return nullptr; }
+LLVM_LIBC_FUNCTION(void *, dlsym, (void *__restrict, const char *__restrict)) {
+  return nullptr;
+}
 
 } // namespace LIBC_NAMESPACE_DECL
diff --git a/libc/src/dlfcn/dlsym.h b/libc/src/dlfcn/dlsym.h
index 70c6ab3..f879792 100644
--- a/libc/src/dlfcn/dlsym.h
+++ b/libc/src/dlfcn/dlsym.h
@@ -13,7 +13,7 @@
 
 namespace LIBC_NAMESPACE_DECL {
 
-void *dlsym(void *, const char *);
+void *dlsym(void *__restrict, const char *__restrict);
 
 } // namespace LIBC_NAMESPACE_DECL
 
diff --git a/libc/src/math/CMakeLists.txt b/libc/src/math/CMakeLists.txt
index 0522e0e..c3840d3 100644
--- a/libc/src/math/CMakeLists.txt
+++ b/libc/src/math/CMakeLists.txt
@@ -91,6 +91,7 @@ add_math_entrypoint_object(ceilf)
 add_math_entrypoint_object(ceill)
 add_math_entrypoint_object(ceilf16)
 add_math_entrypoint_object(ceilf128)
+add_math_entrypoint_object(ceilbf16)
 
 add_math_entrypoint_object(copysign)
 add_math_entrypoint_object(copysignf)
@@ -214,6 +215,7 @@ add_math_entrypoint_object(floorf)
 add_math_entrypoint_object(floorl)
 add_math_entrypoint_object(floorf16)
 add_math_entrypoint_object(floorf128)
+add_math_entrypoint_object(floorbf16)
 
 add_math_entrypoint_object(fma)
 add_math_entrypoint_object(fmaf)
@@ -463,12 +465,14 @@ add_math_entrypoint_object(roundf)
 add_math_entrypoint_object(roundl)
 add_math_entrypoint_object(roundf16)
 add_math_entrypoint_object(roundf128)
+add_math_entrypoint_object(roundbf16)
 
 add_math_entrypoint_object(roundeven)
 add_math_entrypoint_object(roundevenf)
 add_math_entrypoint_object(roundevenl)
 add_math_entrypoint_object(roundevenf16)
 add_math_entrypoint_object(roundevenf128)
+add_math_entrypoint_object(roundevenbf16)
 
 add_math_entrypoint_object(scalbln)
 add_math_entrypoint_object(scalblnf)
@@ -546,6 +550,7 @@ add_math_entrypoint_object(truncf)
 add_math_entrypoint_object(truncl)
 add_math_entrypoint_object(truncf16)
 add_math_entrypoint_object(truncf128)
+add_math_entrypoint_object(truncbf16)
 
 add_math_entrypoint_object(ufromfp)
 add_math_entrypoint_object(ufromfpf)
diff --git a/libc/src/math/ceilbf16.h b/libc/src/math/ceilbf16.h
new file mode 100644
index 0000000..bf70f25
--- /dev/null
+++ b/libc/src/math/ceilbf16.h
@@ -0,0 +1,21 @@
+//===-- Implementation header for ceilbf16 ----------------------*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_LIBC_SRC_MATH_CEILBF16_H
+#define LLVM_LIBC_SRC_MATH_CEILBF16_H
+
+#include "src/__support/macros/config.h"
+#include "src/__support/macros/properties/types.h"
+
+namespace LIBC_NAMESPACE_DECL {
+
+bfloat16 ceilbf16(bfloat16 x);
+
+} // namespace LIBC_NAMESPACE_DECL
+
+#endif // LLVM_LIBC_SRC_MATH_CEILBF16_H
diff --git a/libc/src/math/floorbf16.h b/libc/src/math/floorbf16.h
new file mode 100644
index 0000000..9b5a30a
--- /dev/null
+++ b/libc/src/math/floorbf16.h
@@ -0,0 +1,21 @@
+//===-- Implementation header for floorbf16 ---------------------*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_LIBC_SRC_MATH_FLOORBF16_H
+#define LLVM_LIBC_SRC_MATH_FLOORBF16_H
+
+#include "src/__support/macros/config.h"
+#include "src/__support/macros/properties/types.h"
+
+namespace LIBC_NAMESPACE_DECL {
+
+bfloat16 floorbf16(bfloat16 x);
+
+} // namespace LIBC_NAMESPACE_DECL
+
+#endif // LLVM_LIBC_SRC_MATH_FLOORBF16_H
diff --git a/libc/src/math/generic/CMakeLists.txt b/libc/src/math/generic/CMakeLists.txt
index a866195..0bec7dd 100644
--- a/libc/src/math/generic/CMakeLists.txt
+++ b/libc/src/math/generic/CMakeLists.txt
@@ -157,6 +157,22 @@ add_entrypoint_object(
 )
 
 add_entrypoint_object(
+    ceilbf16
+  SRCS
+    ceilbf16.cpp
+  HDRS
+    ../ceilbf16.h
+  DEPENDS
+    libc.src.__support.common
+    libc.src.__support.FPUtil.bfloat16
+    libc.src.__support.FPUtil.nearest_integer_operations
+    libc.src.__support.macros.config
+    libc.src.__support.macros.properties.types
+  FLAGS
+    ROUND_OPT
+)
+
+add_entrypoint_object(
   daddl
   SRCS
     daddl.cpp
@@ -802,6 +818,22 @@ add_entrypoint_object(
 )
 
 add_entrypoint_object(
+    truncbf16
+  SRCS
+    truncbf16.cpp
+  HDRS
+    ../truncbf16.h
+  DEPENDS
+    libc.src.__support.common
+    libc.src.__support.FPUtil.bfloat16
+    libc.src.__support.FPUtil.nearest_integer_operations
+    libc.src.__support.macros.config
+    libc.src.__support.macros.properties.types
+  FLAGS
+    ROUND_OPT
+)
+
+add_entrypoint_object(
   floor
   SRCS
     floor.cpp
@@ -862,6 +894,22 @@ add_entrypoint_object(
 )
 
 add_entrypoint_object(
+    floorbf16
+  SRCS
+    floorbf16.cpp
+  HDRS
+    ../floorbf16.h
+  DEPENDS
+    libc.src.__support.common
+    libc.src.__support.FPUtil.bfloat16
+    libc.src.__support.FPUtil.nearest_integer_operations
+    libc.src.__support.macros.config
+    libc.src.__support.macros.properties.types
+  FLAGS
+    ROUND_OPT
+)
+
+add_entrypoint_object(
   round
   SRCS
     round.cpp
@@ -922,6 +970,22 @@ add_entrypoint_object(
 )
 
 add_entrypoint_object(
+    roundbf16
+  SRCS
+    roundbf16.cpp
+  HDRS
+    ../roundbf16.h
+  DEPENDS
+    libc.src.__support.common
+    libc.src.__support.FPUtil.bfloat16
+    libc.src.__support.FPUtil.nearest_integer_operations
+    libc.src.__support.macros.config
+    libc.src.__support.macros.properties.types
+  FLAGS
+    ROUND_OPT
+)
+
+add_entrypoint_object(
   roundeven
   SRCS
     roundeven.cpp
@@ -982,6 +1046,22 @@ add_entrypoint_object(
 )
 
 add_entrypoint_object(
+    roundevenbf16
+  SRCS
+    roundevenbf16.cpp
+  HDRS
+    ../roundevenbf16.h
+  DEPENDS
+    libc.src.__support.common
+    libc.src.__support.FPUtil.bfloat16
+    libc.src.__support.FPUtil.nearest_integer_operations
+    libc.src.__support.macros.config
+    libc.src.__support.macros.properties.types
+  FLAGS
+    ROUND_OPT
+)
+
+add_entrypoint_object(
   lround
   SRCS
     lround.cpp
diff --git a/libc/src/math/generic/ceilbf16.cpp b/libc/src/math/generic/ceilbf16.cpp
new file mode 100644
index 0000000..441dcf0
--- /dev/null
+++ b/libc/src/math/generic/ceilbf16.cpp
@@ -0,0 +1,19 @@
+//===-- Implementation of ceilbf16 function -------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#include "src/math/ceilbf16.h"
+#include "src/__support/FPUtil/NearestIntegerOperations.h"
+#include "src/__support/FPUtil/bfloat16.h"
+#include "src/__support/common.h"
+#include "src/__support/macros/config.h"
+
+namespace LIBC_NAMESPACE_DECL {
+
+LLVM_LIBC_FUNCTION(bfloat16, ceilbf16, (bfloat16 x)) { return fputil::ceil(x); }
+
+} // namespace LIBC_NAMESPACE_DECL
diff --git a/libc/src/math/generic/floorbf16.cpp b/libc/src/math/generic/floorbf16.cpp
new file mode 100644
index 0000000..d157096
--- /dev/null
+++ b/libc/src/math/generic/floorbf16.cpp
@@ -0,0 +1,21 @@
+//===-- Implementation of floorbf16 function ------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#include "src/math/floorbf16.h"
+#include "src/__support/FPUtil/NearestIntegerOperations.h"
+#include "src/__support/FPUtil/bfloat16.h"
+#include "src/__support/common.h"
+#include "src/__support/macros/config.h"
+
+namespace LIBC_NAMESPACE_DECL {
+
+LLVM_LIBC_FUNCTION(bfloat16, floorbf16, (bfloat16 x)) {
+  return fputil::floor(x);
+}
+
+} // namespace LIBC_NAMESPACE_DECL
diff --git a/libc/src/math/generic/roundbf16.cpp b/libc/src/math/generic/roundbf16.cpp
new file mode 100644
index 0000000..cc7e5e2
--- /dev/null
+++ b/libc/src/math/generic/roundbf16.cpp
@@ -0,0 +1,21 @@
+//===-- Implementation of roundbf16 function ------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#include "src/math/roundbf16.h"
+#include "src/__support/FPUtil/NearestIntegerOperations.h"
+#include "src/__support/FPUtil/bfloat16.h"
+#include "src/__support/common.h"
+#include "src/__support/macros/config.h"
+
+namespace LIBC_NAMESPACE_DECL {
+
+LLVM_LIBC_FUNCTION(bfloat16, roundbf16, (bfloat16 x)) {
+  return fputil::round(x);
+}
+
+} // namespace LIBC_NAMESPACE_DECL
diff --git a/libc/src/math/generic/roundevenbf16.cpp b/libc/src/math/generic/roundevenbf16.cpp
new file mode 100644
index 0000000..39419e4
--- /dev/null
+++ b/libc/src/math/generic/roundevenbf16.cpp
@@ -0,0 +1,21 @@
+//===-- Implementation of roundevenbf16 function --------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#include "src/math/roundevenbf16.h"
+#include "src/__support/FPUtil/NearestIntegerOperations.h"
+#include "src/__support/FPUtil/bfloat16.h"
+#include "src/__support/common.h"
+#include "src/__support/macros/config.h"
+
+namespace LIBC_NAMESPACE_DECL {
+
+LLVM_LIBC_FUNCTION(bfloat16, roundevenbf16, (bfloat16 x)) {
+  return fputil::round_using_specific_rounding_mode(x, FP_INT_TONEAREST);
+}
+
+} // namespace LIBC_NAMESPACE_DECL
diff --git a/libc/src/math/generic/truncbf16.cpp b/libc/src/math/generic/truncbf16.cpp
new file mode 100644
index 0000000..dfbe83d
--- /dev/null
+++ b/libc/src/math/generic/truncbf16.cpp
@@ -0,0 +1,21 @@
+//===-- Implementation of truncbf16 function ------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#include "src/math/truncbf16.h"
+#include "src/__support/FPUtil/NearestIntegerOperations.h"
+#include "src/__support/FPUtil/bfloat16.h"
+#include "src/__support/common.h"
+#include "src/__support/macros/config.h"
+
+namespace LIBC_NAMESPACE_DECL {
+
+LLVM_LIBC_FUNCTION(bfloat16, truncbf16, (bfloat16 x)) {
+  return fputil::trunc(x);
+}
+
+} // namespace LIBC_NAMESPACE_DECL
diff --git a/libc/src/math/roundbf16.h b/libc/src/math/roundbf16.h
new file mode 100644
index 0000000..0f74e43
--- /dev/null
+++ b/libc/src/math/roundbf16.h
@@ -0,0 +1,22 @@
+//===-- Implementation header for roundbf16 ---------------------*- C++
+//-*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_LIBC_SRC_MATH_ROUNDBF16_H
+#define LLVM_LIBC_SRC_MATH_ROUNDBF16_H
+
+#include "src/__support/macros/config.h"
+#include "src/__support/macros/properties/types.h"
+
+namespace LIBC_NAMESPACE_DECL {
+
+bfloat16 roundbf16(bfloat16 x);
+
+} // namespace LIBC_NAMESPACE_DECL
+
+#endif // LLVM_LIBC_SRC_MATH_ROUNDBF16_H
diff --git a/libc/src/math/roundevenbf16.h b/libc/src/math/roundevenbf16.h
new file mode 100644
index 0000000..f4374d2
--- /dev/null
+++ b/libc/src/math/roundevenbf16.h
@@ -0,0 +1,21 @@
+//===-- Implementation header for roundevenbf16 -----------------*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_LIBC_SRC_MATH_ROUNDEVENBF16_H
+#define LLVM_LIBC_SRC_MATH_ROUNDEVENBF16_H
+
+#include "src/__support/macros/config.h"
+#include "src/__support/macros/properties/types.h"
+
+namespace LIBC_NAMESPACE_DECL {
+
+bfloat16 roundevenbf16(bfloat16 x);
+
+} // namespace LIBC_NAMESPACE_DECL
+
+#endif // LLVM_LIBC_SRC_MATH_ROUNDEVENBF16_H
diff --git a/libc/src/math/truncbf16.h b/libc/src/math/truncbf16.h
new file mode 100644
index 0000000..c87d4cc
--- /dev/null
+++ b/libc/src/math/truncbf16.h
@@ -0,0 +1,21 @@
+//===-- Implementation header for truncbf16 ---------------------*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_LIBC_SRC_MATH_TRUNCBF16_H
+#define LLVM_LIBC_SRC_MATH_TRUNCBF16_H
+
+#include "src/__support/macros/config.h"
+#include "src/__support/macros/properties/types.h"
+
+namespace LIBC_NAMESPACE_DECL {
+
+bfloat16 truncbf16(bfloat16 x);
+
+} // namespace LIBC_NAMESPACE_DECL
+
+#endif // LLVM_LIBC_SRC_MATH_TRUNCBF16_H