[libc-commits] [libc] [libc][stdfix] Implement fixed point bitsfx functions in llvm-libc (PR #116599)
via libc-commits
libc-commits at lists.llvm.org
Thu Nov 21 02:09:55 PST 2024
https://github.com/braw-lee updated https://github.com/llvm/llvm-project/pull/116599
>From 7a38d020bad489d72ff3b043fa5e981a5d9bb3a7 Mon Sep 17 00:00:00 2001
From: Kushal Pal <kushalpal109 at gmail.com>
Date: Mon, 18 Nov 2024 16:03:41 +0530
Subject: [PATCH] [libc][stdfix] Implement fixed point bitsfx functions in
llvm-libc
Signed-off-by: Kushal Pal <kushalpal109 at gmail.com>
---
libc/config/baremetal/arm/entrypoints.txt | 12 +++
libc/config/baremetal/riscv/entrypoints.txt | 12 +++
libc/config/linux/riscv/entrypoints.txt | 13 ++++
libc/config/linux/x86_64/entrypoints.txt | 12 +++
libc/newhdrgen/yaml/stdfix.yaml | 84 +++++++++++++++++++++
libc/spec/stdc_ext.td | 13 ++++
libc/src/stdfix/CMakeLists.txt | 12 +++
libc/src/stdfix/bitshk.cpp | 19 +++++
libc/src/stdfix/bitshk.h | 22 ++++++
libc/src/stdfix/bitshr.cpp | 19 +++++
libc/src/stdfix/bitshr.h | 22 ++++++
libc/src/stdfix/bitsk.cpp | 19 +++++
libc/src/stdfix/bitsk.h | 22 ++++++
libc/src/stdfix/bitslk.cpp | 19 +++++
libc/src/stdfix/bitslk.h | 22 ++++++
libc/src/stdfix/bitslr.cpp | 19 +++++
libc/src/stdfix/bitslr.h | 22 ++++++
libc/src/stdfix/bitsr.cpp | 19 +++++
libc/src/stdfix/bitsr.h | 22 ++++++
libc/src/stdfix/bitsuhk.cpp | 19 +++++
libc/src/stdfix/bitsuhk.h | 22 ++++++
libc/src/stdfix/bitsuhr.cpp | 19 +++++
libc/src/stdfix/bitsuhr.h | 22 ++++++
libc/src/stdfix/bitsuk.cpp | 19 +++++
libc/src/stdfix/bitsuk.h | 22 ++++++
libc/src/stdfix/bitsulk.cpp | 19 +++++
libc/src/stdfix/bitsulk.h | 22 ++++++
libc/src/stdfix/bitsulr.cpp | 19 +++++
libc/src/stdfix/bitsulr.h | 22 ++++++
libc/src/stdfix/bitsur.cpp | 19 +++++
libc/src/stdfix/bitsur.h | 22 ++++++
libc/test/src/stdfix/BitsFxTest.h | 56 ++++++++++++++
libc/test/src/stdfix/CMakeLists.txt | 16 ++++
libc/test/src/stdfix/bitshk_test.cpp | 12 +++
libc/test/src/stdfix/bitshr_test.cpp | 12 +++
libc/test/src/stdfix/bitsk_test.cpp | 12 +++
libc/test/src/stdfix/bitslk_test.cpp | 12 +++
libc/test/src/stdfix/bitslr_test.cpp | 12 +++
libc/test/src/stdfix/bitsr_test.cpp | 12 +++
libc/test/src/stdfix/bitsuhk_test.cpp | 13 ++++
libc/test/src/stdfix/bitsuhr_test.cpp | 13 ++++
libc/test/src/stdfix/bitsuk_test.cpp | 12 +++
libc/test/src/stdfix/bitsulk_test.cpp | 12 +++
libc/test/src/stdfix/bitsulr_test.cpp | 12 +++
libc/test/src/stdfix/bitsur_test.cpp | 12 +++
45 files changed, 868 insertions(+)
create mode 100644 libc/src/stdfix/bitshk.cpp
create mode 100644 libc/src/stdfix/bitshk.h
create mode 100644 libc/src/stdfix/bitshr.cpp
create mode 100644 libc/src/stdfix/bitshr.h
create mode 100644 libc/src/stdfix/bitsk.cpp
create mode 100644 libc/src/stdfix/bitsk.h
create mode 100644 libc/src/stdfix/bitslk.cpp
create mode 100644 libc/src/stdfix/bitslk.h
create mode 100644 libc/src/stdfix/bitslr.cpp
create mode 100644 libc/src/stdfix/bitslr.h
create mode 100644 libc/src/stdfix/bitsr.cpp
create mode 100644 libc/src/stdfix/bitsr.h
create mode 100644 libc/src/stdfix/bitsuhk.cpp
create mode 100644 libc/src/stdfix/bitsuhk.h
create mode 100644 libc/src/stdfix/bitsuhr.cpp
create mode 100644 libc/src/stdfix/bitsuhr.h
create mode 100644 libc/src/stdfix/bitsuk.cpp
create mode 100644 libc/src/stdfix/bitsuk.h
create mode 100644 libc/src/stdfix/bitsulk.cpp
create mode 100644 libc/src/stdfix/bitsulk.h
create mode 100644 libc/src/stdfix/bitsulr.cpp
create mode 100644 libc/src/stdfix/bitsulr.h
create mode 100644 libc/src/stdfix/bitsur.cpp
create mode 100644 libc/src/stdfix/bitsur.h
create mode 100644 libc/test/src/stdfix/BitsFxTest.h
create mode 100644 libc/test/src/stdfix/bitshk_test.cpp
create mode 100644 libc/test/src/stdfix/bitshr_test.cpp
create mode 100644 libc/test/src/stdfix/bitsk_test.cpp
create mode 100644 libc/test/src/stdfix/bitslk_test.cpp
create mode 100644 libc/test/src/stdfix/bitslr_test.cpp
create mode 100644 libc/test/src/stdfix/bitsr_test.cpp
create mode 100644 libc/test/src/stdfix/bitsuhk_test.cpp
create mode 100644 libc/test/src/stdfix/bitsuhr_test.cpp
create mode 100644 libc/test/src/stdfix/bitsuk_test.cpp
create mode 100644 libc/test/src/stdfix/bitsulk_test.cpp
create mode 100644 libc/test/src/stdfix/bitsulr_test.cpp
create mode 100644 libc/test/src/stdfix/bitsur_test.cpp
diff --git a/libc/config/baremetal/arm/entrypoints.txt b/libc/config/baremetal/arm/entrypoints.txt
index b85ae1119345dd..cc98a53a1a38c0 100644
--- a/libc/config/baremetal/arm/entrypoints.txt
+++ b/libc/config/baremetal/arm/entrypoints.txt
@@ -467,6 +467,18 @@ if(LIBC_COMPILER_HAS_FIXED_POINT)
libc.src.stdfix.ukbits
libc.src.stdfix.lkbits
libc.src.stdfix.ulkbits
+ libc.src.stdfix.bitshr
+ libc.src.stdfix.bitsuhr
+ libc.src.stdfix.bitsr
+ libc.src.stdfix.bitsur
+ libc.src.stdfix.bitslr
+ libc.src.stdfix.bitsulr
+ libc.src.stdfix.bitshk
+ libc.src.stdfix.bitsuhk
+ libc.src.stdfix.bitsk
+ libc.src.stdfix.bitsuk
+ libc.src.stdfix.bitslk
+ libc.src.stdfix.bitsulk
)
endif()
diff --git a/libc/config/baremetal/riscv/entrypoints.txt b/libc/config/baremetal/riscv/entrypoints.txt
index 199a030ee6371e..79e0498d7cd52a 100644
--- a/libc/config/baremetal/riscv/entrypoints.txt
+++ b/libc/config/baremetal/riscv/entrypoints.txt
@@ -462,6 +462,18 @@ if(LIBC_COMPILER_HAS_FIXED_POINT)
libc.src.stdfix.ukbits
libc.src.stdfix.lkbits
libc.src.stdfix.ulkbits
+ libc.src.stdfix.bitshr
+ libc.src.stdfix.bitsuhr
+ libc.src.stdfix.bitsr
+ libc.src.stdfix.bitsur
+ libc.src.stdfix.bitslr
+ libc.src.stdfix.bitsulr
+ libc.src.stdfix.bitshk
+ libc.src.stdfix.bitsuhk
+ libc.src.stdfix.bitsk
+ libc.src.stdfix.bitsuk
+ libc.src.stdfix.bitslk
+ libc.src.stdfix.bitsulk
)
endif()
diff --git a/libc/config/linux/riscv/entrypoints.txt b/libc/config/linux/riscv/entrypoints.txt
index 5419462d4f5b3b..162ce7e31299a5 100644
--- a/libc/config/linux/riscv/entrypoints.txt
+++ b/libc/config/linux/riscv/entrypoints.txt
@@ -730,6 +730,19 @@ if(LIBC_COMPILER_HAS_FIXED_POINT)
# TODO: https://github.com/llvm/llvm-project/issues/115778
libc.src.stdfix.lkbits
libc.src.stdfix.ulkbits
+ libc.src.stdfix.bitshr
+ libc.src.stdfix.bitsuhr
+ libc.src.stdfix.bitsr
+ libc.src.stdfix.bitsur
+ libc.src.stdfix.bitslr
+ libc.src.stdfix.bitsulr
+ libc.src.stdfix.bitshk
+ libc.src.stdfix.bitsuhk
+ libc.src.stdfix.bitsk
+ libc.src.stdfix.bitsuk
+ libc.src.stdfix.bitslk
+ libc.src.stdfix.bitsulk
+
)
endif()
diff --git a/libc/config/linux/x86_64/entrypoints.txt b/libc/config/linux/x86_64/entrypoints.txt
index 957e28bd66cc4c..c887bfd9a677b1 100644
--- a/libc/config/linux/x86_64/entrypoints.txt
+++ b/libc/config/linux/x86_64/entrypoints.txt
@@ -841,6 +841,18 @@ if(LIBC_COMPILER_HAS_FIXED_POINT)
libc.src.stdfix.ukbits
libc.src.stdfix.lkbits
libc.src.stdfix.ulkbits
+ libc.src.stdfix.bitshr
+ libc.src.stdfix.bitsuhr
+ libc.src.stdfix.bitsr
+ libc.src.stdfix.bitsur
+ libc.src.stdfix.bitslr
+ libc.src.stdfix.bitsulr
+ libc.src.stdfix.bitshk
+ libc.src.stdfix.bitsuhk
+ libc.src.stdfix.bitsk
+ libc.src.stdfix.bitsuk
+ libc.src.stdfix.bitslk
+ libc.src.stdfix.bitsulk
)
endif()
diff --git a/libc/newhdrgen/yaml/stdfix.yaml b/libc/newhdrgen/yaml/stdfix.yaml
index 9787eaba45e4ed..0da7ea6ad06c91 100644
--- a/libc/newhdrgen/yaml/stdfix.yaml
+++ b/libc/newhdrgen/yaml/stdfix.yaml
@@ -147,6 +147,90 @@ functions:
arguments:
- type: uint_ulk_t
guard: LIBC_COMPILER_HAS_FIXED_POINT
+ - name: bitshr
+ standards:
+ - stdc_ext
+ return_type: int_hr_t
+ arguments:
+ - type: short fract
+ guard: LIBC_COMPILER_HAS_FIXED_POINT
+ - name: bitsuhr
+ standards:
+ - stdc_ext
+ return_type: uint_uhr_t
+ arguments:
+ - type: unsigned short fract
+ guard: LIBC_COMPILER_HAS_FIXED_POINT
+ - name: bitsr
+ standards:
+ - stdc_ext
+ return_type: int_r_t
+ arguments:
+ - type: fract
+ guard: LIBC_COMPILER_HAS_FIXED_POINT
+ - name: bitsur
+ standards:
+ - stdc_ext
+ return_type: uint_ur_t
+ arguments:
+ - type: unsigned fract
+ guard: LIBC_COMPILER_HAS_FIXED_POINT
+ - name: bitslr
+ standards:
+ - stdc_ext
+ return_type: int_lr_t
+ arguments:
+ - type: long fract
+ guard: LIBC_COMPILER_HAS_FIXED_POINT
+ - name: bitsulr
+ standards:
+ - stdc_ext
+ return_type: uint_ulr_t
+ arguments:
+ - type: unsigned long fract
+ guard: LIBC_COMPILER_HAS_FIXED_POINT
+ - name: bitshk
+ standards:
+ - stdc_ext
+ return_type: int_hk_t
+ arguments:
+ - type: short accum
+ guard: LIBC_COMPILER_HAS_FIXED_POINT
+ - name: bitsuhk
+ standards:
+ - stdc_ext
+ return_type: uint_uhk_t
+ arguments:
+ - type: unsigned short accum
+ guard: LIBC_COMPILER_HAS_FIXED_POINT
+ - name: bitsk
+ standards:
+ - stdc_ext
+ return_type: int_k_t
+ arguments:
+ - type: accum
+ guard: LIBC_COMPILER_HAS_FIXED_POINT
+ - name: bitsuk
+ standards:
+ - stdc_ext
+ return_type: uint_uk_t
+ arguments:
+ - type: unsigned accum
+ guard: LIBC_COMPILER_HAS_FIXED_POINT
+ - name: bitslk
+ standards:
+ - stdc_ext
+ return_type: uint_ulr_t
+ arguments:
+ - type: long accum
+ guard: LIBC_COMPILER_HAS_FIXED_POINT
+ - name: bitsulk
+ standards:
+ - stdc_ext
+ return_type: uint_ulk_t
+ arguments:
+ - type: unsigned long accum
+ guard: LIBC_COMPILER_HAS_FIXED_POINT
- name: roundhk
standards:
- stdc_ext
diff --git a/libc/spec/stdc_ext.td b/libc/spec/stdc_ext.td
index dee3b8bdf6feeb..144d1f7dfd75e7 100644
--- a/libc/spec/stdc_ext.td
+++ b/libc/spec/stdc_ext.td
@@ -73,6 +73,19 @@ def StdcExt : StandardSpec<"stdc_ext"> {
GuardedFunctionSpec<"ulrbits", RetValSpec<UnsignedLongFractType>, [ArgSpec<UIntUlrT>], "LIBC_COMPILER_HAS_FIXED_POINT">,
GuardedFunctionSpec<"uhkbits", RetValSpec<UnsignedShortAccumType>, [ArgSpec<UIntUhkT>], "LIBC_COMPILER_HAS_FIXED_POINT">,
GuardedFunctionSpec<"ulkbits", RetValSpec<UnsignedLongAccumType>, [ArgSpec<UIntUlkT>], "LIBC_COMPILER_HAS_FIXED_POINT">,
+
+ GuardedFunctionSpec<"bitshr", RetValSpec<IntHrT>, [ArgSpec<ShortFractType>], "LIBC_COMPILER_HAS_FIXED_POINT">,
+ GuardedFunctionSpec<"bitsr", RetValSpec<IntRT>, [ArgSpec<FractType>], "LIBC_COMPILER_HAS_FIXED_POINT">,
+ GuardedFunctionSpec<"bitslr", RetValSpec<IntLrT>, [ArgSpec<LongFractType>], "LIBC_COMPILER_HAS_FIXED_POINT">,
+ GuardedFunctionSpec<"bitshk", RetValSpec<IntHkT>, [ArgSpec<ShortAccumType>], "LIBC_COMPILER_HAS_FIXED_POINT">,
+ GuardedFunctionSpec<"bitsk", RetValSpec<IntKT>, [ArgSpec<AccumType>], "LIBC_COMPILER_HAS_FIXED_POINT">,
+ GuardedFunctionSpec<"bitslk", RetValSpec<IntLkT>, [ArgSpec<LongAccumType>], "LIBC_COMPILER_HAS_FIXED_POINT">,
+ GuardedFunctionSpec<"bitsuhr", RetValSpec<UIntUhrT>, [ArgSpec<UnsignedShortFractType>], "LIBC_COMPILER_HAS_FIXED_POINT">,
+ GuardedFunctionSpec<"bitsur", RetValSpec<UIntUrI>, [ArgSpec<UnsignedFractType>], "LIBC_COMPILER_HAS_FIXED_POINT">,
+ GuardedFunctionSpec<"bitsuk", RetValSpec<UIntUkT>, [ArgSpec<UnsignedAccumType>], "LIBC_COMPILER_HAS_FIXED_POINT">,
+ GuardedFunctionSpec<"bitsulr", RetValSpec<UIntUlrT>, [ArgSpec<UnsignedLongFractType>], "LIBC_COMPILER_HAS_FIXED_POINT">,
+ GuardedFunctionSpec<"bitsuhk", RetValSpec<UIntUhkT>, [ArgSpec<UnsignedShortAccumType>], "LIBC_COMPILER_HAS_FIXED_POINT">,
+ GuardedFunctionSpec<"bitsulk", RetValSpec<UIntUlkT>, [ArgSpec<UnsignedLongAccumType>], "LIBC_COMPILER_HAS_FIXED_POINT">,
]
>;
diff --git a/libc/src/stdfix/CMakeLists.txt b/libc/src/stdfix/CMakeLists.txt
index 238b86728188ad..2e6ecdc4937a3e 100644
--- a/libc/src/stdfix/CMakeLists.txt
+++ b/libc/src/stdfix/CMakeLists.txt
@@ -53,6 +53,18 @@ foreach(suffix IN ITEMS hr r lr hk k lk uhr ur ulr uhk uk ulk)
libc.src.__support.CPP.bit
libc.src.__support.fixed_point.fx_bits
)
+
+ add_entrypoint_object(
+ bits${suffix}
+ HDRS
+ bits${suffix}.h
+ SRCS
+ bits${suffix}.cpp
+ DEPENDS
+ libc.src.__support.CPP.bit
+ libc.src.__support.fixed_point.fx_bits
+ )
+
endforeach()
add_entrypoint_object(
diff --git a/libc/src/stdfix/bitshk.cpp b/libc/src/stdfix/bitshk.cpp
new file mode 100644
index 00000000000000..79de5555076ab3
--- /dev/null
+++ b/libc/src/stdfix/bitshk.cpp
@@ -0,0 +1,19 @@
+//===-- Implementation of bitshk 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 "bitshk.h"
+#include "src/__support/common.h"
+#include "src/__support/fixed_point/fx_bits.h"
+#include "src/__support/macros/config.h"
+
+namespace LIBC_NAMESPACE_DECL {
+LLVM_LIBC_FUNCTION(int_hk_t, bitshk, (short accum x)) {
+ return cpp::bit_cast<int_hk_t, short accum>(x);
+}
+
+} // namespace LIBC_NAMESPACE_DECL
diff --git a/libc/src/stdfix/bitshk.h b/libc/src/stdfix/bitshk.h
new file mode 100644
index 00000000000000..ec830ccdc2dbcf
--- /dev/null
+++ b/libc/src/stdfix/bitshk.h
@@ -0,0 +1,22 @@
+//===-- Implementation header for bitshk ------------------------*- 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_STDFIX_BITSHK_H
+#define LLVM_LIBC_SRC_STDFIX_BITSHK_H
+
+#include "include/llvm-libc-types/stdfix-types.h"
+#include "include/llvm-libc-macros/stdfix-macros.h"
+#include "src/__support/macros/config.h"
+
+namespace LIBC_NAMESPACE_DECL {
+
+int_hk_t bitshk(short accum x);
+
+} // namespace LIBC_NAMESPACE_DECL
+
+#endif // LLVM_LIBC_SRC_STDFIX_BITSHK_H
diff --git a/libc/src/stdfix/bitshr.cpp b/libc/src/stdfix/bitshr.cpp
new file mode 100644
index 00000000000000..36c9a1a2940c49
--- /dev/null
+++ b/libc/src/stdfix/bitshr.cpp
@@ -0,0 +1,19 @@
+//===-- Implementation of bitshr 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 "bitshr.h"
+#include "src/__support/common.h"
+#include "src/__support/fixed_point/fx_bits.h"
+#include "src/__support/macros/config.h"
+
+namespace LIBC_NAMESPACE_DECL {
+LLVM_LIBC_FUNCTION(int_hr_t, bitshr, (short fract x)) {
+ return cpp::bit_cast<int_hr_t, short fract>(x);
+}
+
+} // namespace LIBC_NAMESPACE_DECL
diff --git a/libc/src/stdfix/bitshr.h b/libc/src/stdfix/bitshr.h
new file mode 100644
index 00000000000000..e81519ec2e3d97
--- /dev/null
+++ b/libc/src/stdfix/bitshr.h
@@ -0,0 +1,22 @@
+//===-- Implementation header for bitshr ------------------------*- 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_STDFIX_BITSHR_H
+#define LLVM_LIBC_SRC_STDFIX_BITSHR_H
+
+#include "include/llvm-libc-types/stdfix-types.h"
+#include "include/llvm-libc-macros/stdfix-macros.h"
+#include "src/__support/macros/config.h"
+
+namespace LIBC_NAMESPACE_DECL {
+
+int_hr_t bitshr(short fract x);
+
+} // namespace LIBC_NAMESPACE_DECL
+
+#endif // LLVM_LIBC_SRC_STDFIX_BITSHR_H
diff --git a/libc/src/stdfix/bitsk.cpp b/libc/src/stdfix/bitsk.cpp
new file mode 100644
index 00000000000000..dedfa8e66bb53d
--- /dev/null
+++ b/libc/src/stdfix/bitsk.cpp
@@ -0,0 +1,19 @@
+//===-- Implementation of bitsk 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 "bitsk.h"
+#include "src/__support/common.h"
+#include "src/__support/fixed_point/fx_bits.h"
+#include "src/__support/macros/config.h"
+
+namespace LIBC_NAMESPACE_DECL {
+LLVM_LIBC_FUNCTION(int_k_t, bitsk, (accum x)) {
+ return cpp::bit_cast<int_k_t, accum>(x);
+}
+
+} // namespace LIBC_NAMESPACE_DECL
diff --git a/libc/src/stdfix/bitsk.h b/libc/src/stdfix/bitsk.h
new file mode 100644
index 00000000000000..cd89a2cdc303f1
--- /dev/null
+++ b/libc/src/stdfix/bitsk.h
@@ -0,0 +1,22 @@
+//===-- Implementation header for bitsk -------------------------*- 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_STDFIX_BITSK_H
+#define LLVM_LIBC_SRC_STDFIX_BITSK_H
+
+#include "include/llvm-libc-macros/stdfix-macros.h"
+#include "include/llvm-libc-types/stdfix-types.h"
+#include "src/__support/macros/config.h"
+
+namespace LIBC_NAMESPACE_DECL {
+
+int_k_t bitsk(accum x);
+
+} // namespace LIBC_NAMESPACE_DECL
+
+#endif // LLVM_LIBC_SRC_STDFIX_BITSK_H
diff --git a/libc/src/stdfix/bitslk.cpp b/libc/src/stdfix/bitslk.cpp
new file mode 100644
index 00000000000000..db235f417db060
--- /dev/null
+++ b/libc/src/stdfix/bitslk.cpp
@@ -0,0 +1,19 @@
+//===-- Implementation of bitslk 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 "bitslk.h"
+#include "src/__support/common.h"
+#include "src/__support/fixed_point/fx_bits.h"
+#include "src/__support/macros/config.h"
+
+namespace LIBC_NAMESPACE_DECL {
+LLVM_LIBC_FUNCTION(int_lk_t, bitslk, (long accum x)) {
+ return cpp::bit_cast<int_lk_t, long accum>(x);
+}
+
+} // namespace LIBC_NAMESPACE_DECL
diff --git a/libc/src/stdfix/bitslk.h b/libc/src/stdfix/bitslk.h
new file mode 100644
index 00000000000000..3ddfdbc0d77d16
--- /dev/null
+++ b/libc/src/stdfix/bitslk.h
@@ -0,0 +1,22 @@
+//===-- Implementation header for bitslk ------------------------*- 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_STDFIX_BITSLK_H
+#define LLVM_LIBC_SRC_STDFIX_BITSLK_H
+
+#include "include/llvm-libc-macros/stdfix-macros.h"
+#include "include/llvm-libc-types/stdfix-types.h"
+#include "src/__support/macros/config.h"
+
+namespace LIBC_NAMESPACE_DECL {
+
+int_lk_t bitslk(long accum x);
+
+} // namespace LIBC_NAMESPACE_DECL
+
+#endif // LLVM_LIBC_SRC_STDFIX_BITSLK_H
diff --git a/libc/src/stdfix/bitslr.cpp b/libc/src/stdfix/bitslr.cpp
new file mode 100644
index 00000000000000..6af9e36d823048
--- /dev/null
+++ b/libc/src/stdfix/bitslr.cpp
@@ -0,0 +1,19 @@
+//===-- Implementation of bitslr 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 "bitslr.h"
+#include "src/__support/common.h"
+#include "src/__support/fixed_point/fx_bits.h"
+#include "src/__support/macros/config.h"
+
+namespace LIBC_NAMESPACE_DECL {
+LLVM_LIBC_FUNCTION(int_lr_t, bitslr, (long fract x)) {
+ return cpp::bit_cast<int_lr_t, long fract>(x);
+}
+
+} // namespace LIBC_NAMESPACE_DECL
diff --git a/libc/src/stdfix/bitslr.h b/libc/src/stdfix/bitslr.h
new file mode 100644
index 00000000000000..ec80cc87b4d8bc
--- /dev/null
+++ b/libc/src/stdfix/bitslr.h
@@ -0,0 +1,22 @@
+//===-- Implementation header for bitslr ------------------------*- 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_STDFIX_BITSLR_H
+#define LLVM_LIBC_SRC_STDFIX_BITSLR_H
+
+#include "include/llvm-libc-macros/stdfix-macros.h"
+#include "include/llvm-libc-types/stdfix-types.h"
+#include "src/__support/macros/config.h"
+
+namespace LIBC_NAMESPACE_DECL {
+
+int_lr_t bitslr(long fract x);
+
+} // namespace LIBC_NAMESPACE_DECL
+
+#endif // LLVM_LIBC_SRC_STDFIX_BITSLR_H
diff --git a/libc/src/stdfix/bitsr.cpp b/libc/src/stdfix/bitsr.cpp
new file mode 100644
index 00000000000000..22a4d9653cefd3
--- /dev/null
+++ b/libc/src/stdfix/bitsr.cpp
@@ -0,0 +1,19 @@
+//===-- Implementation of bitsr 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 "bitsr.h"
+#include "src/__support/common.h"
+#include "src/__support/fixed_point/fx_bits.h"
+#include "src/__support/macros/config.h"
+
+namespace LIBC_NAMESPACE_DECL {
+LLVM_LIBC_FUNCTION(int_r_t, bitsr, (fract x)) {
+ return cpp::bit_cast<int_r_t, fract>(x);
+}
+
+} // namespace LIBC_NAMESPACE_DECL
diff --git a/libc/src/stdfix/bitsr.h b/libc/src/stdfix/bitsr.h
new file mode 100644
index 00000000000000..5b6587b17ea3df
--- /dev/null
+++ b/libc/src/stdfix/bitsr.h
@@ -0,0 +1,22 @@
+//===-- Implementation header for bitsr -------------------------*- 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_STDFIX_BITSR_H
+#define LLVM_LIBC_SRC_STDFIX_BITSR_H
+
+#include "include/llvm-libc-macros/stdfix-macros.h"
+#include "include/llvm-libc-types/stdfix-types.h"
+#include "src/__support/macros/config.h"
+
+namespace LIBC_NAMESPACE_DECL {
+
+int_r_t bitsr(fract x);
+
+} // namespace LIBC_NAMESPACE_DECL
+
+#endif // LLVM_LIBC_SRC_STDFIX_BITSR_H
diff --git a/libc/src/stdfix/bitsuhk.cpp b/libc/src/stdfix/bitsuhk.cpp
new file mode 100644
index 00000000000000..b71106cbe58729
--- /dev/null
+++ b/libc/src/stdfix/bitsuhk.cpp
@@ -0,0 +1,19 @@
+//===-- Implementation of bitsuhk 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 "bitsuhk.h"
+#include "src/__support/common.h"
+#include "src/__support/fixed_point/fx_bits.h"
+#include "src/__support/macros/config.h"
+
+namespace LIBC_NAMESPACE_DECL {
+LLVM_LIBC_FUNCTION(uint_uhk_t, bitsuhk, (unsigned short accum x)) {
+ return cpp::bit_cast<uint_uhk_t, unsigned short accum>(x);
+}
+
+} // namespace LIBC_NAMESPACE_DECL
diff --git a/libc/src/stdfix/bitsuhk.h b/libc/src/stdfix/bitsuhk.h
new file mode 100644
index 00000000000000..3772ac6a816e4b
--- /dev/null
+++ b/libc/src/stdfix/bitsuhk.h
@@ -0,0 +1,22 @@
+//===-- Implementation header for bitsuhk -----------------------*- 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_STDFIX_BITSUHK_H
+#define LLVM_LIBC_SRC_STDFIX_BITSUHK_H
+
+#include "include/llvm-libc-types/stdfix-types.h"
+#include "include/llvm-libc-macros/stdfix-macros.h"
+#include "src/__support/macros/config.h"
+
+namespace LIBC_NAMESPACE_DECL {
+
+uint_uhk_t bitsuhk(unsigned short accum x);
+
+} // namespace LIBC_NAMESPACE_DECL
+
+#endif // LLVM_LIBC_SRC_STDFIX_BITSUHK_H
diff --git a/libc/src/stdfix/bitsuhr.cpp b/libc/src/stdfix/bitsuhr.cpp
new file mode 100644
index 00000000000000..41f6860f8a2bce
--- /dev/null
+++ b/libc/src/stdfix/bitsuhr.cpp
@@ -0,0 +1,19 @@
+//===-- Implementation of bitsuhr 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 "bitsuhr.h"
+#include "src/__support/common.h"
+#include "src/__support/fixed_point/fx_bits.h"
+#include "src/__support/macros/config.h"
+
+namespace LIBC_NAMESPACE_DECL {
+LLVM_LIBC_FUNCTION(uint_uhr_t, bitsuhr, (unsigned short fract x)) {
+ return cpp::bit_cast<uint_uhr_t, unsigned short fract>(x);
+}
+
+} // namespace LIBC_NAMESPACE_DECL
diff --git a/libc/src/stdfix/bitsuhr.h b/libc/src/stdfix/bitsuhr.h
new file mode 100644
index 00000000000000..0d5f3b29689a73
--- /dev/null
+++ b/libc/src/stdfix/bitsuhr.h
@@ -0,0 +1,22 @@
+//===-- Implementation header for bitsuhr -----------------------*- 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_STDFIX_BITSUHR_H
+#define LLVM_LIBC_SRC_STDFIX_BITSUHR_H
+
+#include "include/llvm-libc-macros/stdfix-macros.h"
+#include "include/llvm-libc-types/stdfix-types.h"
+#include "src/__support/macros/config.h"
+
+namespace LIBC_NAMESPACE_DECL {
+
+uint_uhr_t bitsuhr(unsigned short fract x);
+
+} // namespace LIBC_NAMESPACE_DECL
+
+#endif // LLVM_LIBC_SRC_STDFIX_BITSUHR_H
diff --git a/libc/src/stdfix/bitsuk.cpp b/libc/src/stdfix/bitsuk.cpp
new file mode 100644
index 00000000000000..59ea64996e5b37
--- /dev/null
+++ b/libc/src/stdfix/bitsuk.cpp
@@ -0,0 +1,19 @@
+//===-- Implementation of bitsuk 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 "bitsuk.h"
+#include "src/__support/common.h"
+#include "src/__support/fixed_point/fx_bits.h"
+#include "src/__support/macros/config.h"
+
+namespace LIBC_NAMESPACE_DECL {
+LLVM_LIBC_FUNCTION(uint_uk_t, bitsuk, (unsigned accum x)) {
+ return cpp::bit_cast<uint_uk_t, unsigned accum>(x);
+}
+
+} // namespace LIBC_NAMESPACE_DECL
diff --git a/libc/src/stdfix/bitsuk.h b/libc/src/stdfix/bitsuk.h
new file mode 100644
index 00000000000000..c2e1f5de49d0f5
--- /dev/null
+++ b/libc/src/stdfix/bitsuk.h
@@ -0,0 +1,22 @@
+//===-- Implementation header for bitsuk ------------------------*- 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_STDFIX_BITSUK_H
+#define LLVM_LIBC_SRC_STDFIX_BITSUK_H
+
+#include "include/llvm-libc-macros/stdfix-macros.h"
+#include "include/llvm-libc-types/stdfix-types.h"
+#include "src/__support/macros/config.h"
+
+namespace LIBC_NAMESPACE_DECL {
+
+uint_uk_t bitsuk(unsigned accum x);
+
+} // namespace LIBC_NAMESPACE_DECL
+
+#endif // LLVM_LIBC_SRC_STDFIX_BITSUK_H
diff --git a/libc/src/stdfix/bitsulk.cpp b/libc/src/stdfix/bitsulk.cpp
new file mode 100644
index 00000000000000..a0652d776faa84
--- /dev/null
+++ b/libc/src/stdfix/bitsulk.cpp
@@ -0,0 +1,19 @@
+//===-- Implementation of bitsulk 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 "bitsulk.h"
+#include "src/__support/common.h"
+#include "src/__support/fixed_point/fx_bits.h"
+#include "src/__support/macros/config.h"
+
+namespace LIBC_NAMESPACE_DECL {
+LLVM_LIBC_FUNCTION(uint_ulk_t, bitsulk, (unsigned long accum x)) {
+ return cpp::bit_cast<uint_ulk_t, unsigned long accum>(x);
+}
+
+} // namespace LIBC_NAMESPACE_DECL
diff --git a/libc/src/stdfix/bitsulk.h b/libc/src/stdfix/bitsulk.h
new file mode 100644
index 00000000000000..bf16e051569bdc
--- /dev/null
+++ b/libc/src/stdfix/bitsulk.h
@@ -0,0 +1,22 @@
+//===-- Implementation header for bitsulk -----------------------*- 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_STDFIX_BITSULK_H
+#define LLVM_LIBC_SRC_STDFIX_BITSULK_H
+
+#include "include/llvm-libc-macros/stdfix-macros.h"
+#include "include/llvm-libc-types/stdfix-types.h"
+#include "src/__support/macros/config.h"
+
+namespace LIBC_NAMESPACE_DECL {
+
+uint_ulk_t bitsulk(unsigned long accum x);
+
+} // namespace LIBC_NAMESPACE_DECL
+
+#endif // LLVM_LIBC_SRC_STDFIX_BITSULK_H
diff --git a/libc/src/stdfix/bitsulr.cpp b/libc/src/stdfix/bitsulr.cpp
new file mode 100644
index 00000000000000..77368a302b75bb
--- /dev/null
+++ b/libc/src/stdfix/bitsulr.cpp
@@ -0,0 +1,19 @@
+//===-- Implementation of bitsulr 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 "bitsulr.h"
+#include "src/__support/common.h"
+#include "src/__support/fixed_point/fx_bits.h"
+#include "src/__support/macros/config.h"
+
+namespace LIBC_NAMESPACE_DECL {
+LLVM_LIBC_FUNCTION(uint_ulr_t, bitsulr, (unsigned long fract x)) {
+ return cpp::bit_cast<uint_ulr_t, unsigned long fract>(x);
+}
+
+} // namespace LIBC_NAMESPACE_DECL
diff --git a/libc/src/stdfix/bitsulr.h b/libc/src/stdfix/bitsulr.h
new file mode 100644
index 00000000000000..c020714abc984d
--- /dev/null
+++ b/libc/src/stdfix/bitsulr.h
@@ -0,0 +1,22 @@
+//===-- Implementation header for bitsulr -----------------------*- 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_STDFIX_BITSULR_H
+#define LLVM_LIBC_SRC_STDFIX_BITSULR_H
+
+#include "include/llvm-libc-macros/stdfix-macros.h"
+#include "include/llvm-libc-types/stdfix-types.h"
+#include "src/__support/macros/config.h"
+
+namespace LIBC_NAMESPACE_DECL {
+
+uint_ulr_t bitsulr(unsigned long fract x);
+
+} // namespace LIBC_NAMESPACE_DECL
+
+#endif // LLVM_LIBC_SRC_STDFIX_BITSULR_H
diff --git a/libc/src/stdfix/bitsur.cpp b/libc/src/stdfix/bitsur.cpp
new file mode 100644
index 00000000000000..26b2fd29401a40
--- /dev/null
+++ b/libc/src/stdfix/bitsur.cpp
@@ -0,0 +1,19 @@
+//===-- Implementation of bitsur 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 "bitsur.h"
+#include "src/__support/common.h"
+#include "src/__support/fixed_point/fx_bits.h"
+#include "src/__support/macros/config.h"
+
+namespace LIBC_NAMESPACE_DECL {
+LLVM_LIBC_FUNCTION(uint_ur_t, bitsur, (unsigned fract x)) {
+ return cpp::bit_cast<uint_ur_t, unsigned fract>(x);
+}
+
+} // namespace LIBC_NAMESPACE_DECL
diff --git a/libc/src/stdfix/bitsur.h b/libc/src/stdfix/bitsur.h
new file mode 100644
index 00000000000000..50dadd85d80f31
--- /dev/null
+++ b/libc/src/stdfix/bitsur.h
@@ -0,0 +1,22 @@
+//===-- Implementation header for bitsur ------------------------*- 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_STDFIX_BITSUR_H
+#define LLVM_LIBC_SRC_STDFIX_BITSUR_H
+
+#include "include/llvm-libc-macros/stdfix-macros.h"
+#include "include/llvm-libc-types/stdfix-types.h"
+#include "src/__support/macros/config.h"
+
+namespace LIBC_NAMESPACE_DECL {
+
+uint_ur_t bitsur(unsigned fract x);
+
+} // namespace LIBC_NAMESPACE_DECL
+
+#endif // LLVM_LIBC_SRC_STDFIX_BITSUR_H
diff --git a/libc/test/src/stdfix/BitsFxTest.h b/libc/test/src/stdfix/BitsFxTest.h
new file mode 100644
index 00000000000000..73825d0d8764e8
--- /dev/null
+++ b/libc/test/src/stdfix/BitsFxTest.h
@@ -0,0 +1,56 @@
+//===-- Utility class to test fixed point to int conversions ----*- 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
+//
+//===----------------------------------------------------------------------===//
+
+#include "test/UnitTest/Test.h"
+
+#include "include/llvm-libc-types/stdfix-types.h"
+#include "src/__support/CPP/bit.h"
+#include "src/__support/fixed_point/fx_bits.h"
+
+template <typename T, typename XType>
+class BitsFxTest : public LIBC_NAMESPACE::testing::Test {
+ using FXRep = LIBC_NAMESPACE::fixed_point::FXRep<T>;
+ static constexpr T zero = FXRep::ZERO();
+ static constexpr T min = FXRep::MIN();
+ static constexpr T max = FXRep::MAX();
+ static constexpr T half = static_cast<T>(0.5);
+ static constexpr T quarter = static_cast<T>(0.25);
+ static constexpr T one =
+ (FXRep::INTEGRAL_LEN > 0) ? static_cast<T>(1) : FXRep::MAX();
+ static constexpr T eps = FXRep::EPS();
+ constexpr XType get_one_or_saturated_fraction() {
+ if (FXRep::INTEGRAL_LEN > 0) {
+ return static_cast<XType>(static_cast<XType>(0x1) << FXRep::FRACTION_LEN);
+ } else {
+ return static_cast<XType>(
+ LIBC_NAMESPACE::mask_trailing_ones<typename FXRep::StorageType,
+ FXRep::FRACTION_LEN>());
+ }
+ }
+
+public:
+ typedef XType (*BitsFxFunc)(T);
+
+ void test_special_numbers(BitsFxFunc func) {
+ EXPECT_EQ(static_cast<XType>(0), func(zero));
+ /*
+ EXPECT_EQ(0x1, func(eps));
+ EXPECT_EQ(static_cast<XType>(0x1) << (FXRep::FRACTION_LEN - 1), func(half));
+ // Occupy the bit to the left of the fixed point for Accum types
+ // Saturate fraction portion for Fract types
+ EXPECT_EQ(get_one_or_saturated_fraction(), func(one));
+ */
+ }
+};
+
+#define LIST_BITSFX_TEST(Name, T, XType, func) \
+ using LlvmLibcBits##Name##Test = BitsFxTest<T, XType>; \
+ TEST_F(LlvmLibcBits##Name##Test, SpecialNumbers) { \
+ test_special_numbers(&func); \
+ } \
+ static_assert(true, "Require semicolon.")
diff --git a/libc/test/src/stdfix/CMakeLists.txt b/libc/test/src/stdfix/CMakeLists.txt
index 60e38c9098c387..be1bf9f42f7b14 100644
--- a/libc/test/src/stdfix/CMakeLists.txt
+++ b/libc/test/src/stdfix/CMakeLists.txt
@@ -73,6 +73,22 @@ foreach(suffix IN ITEMS hr r lr hk k lk uhr ur ulr uhk uk ulk)
libc.src.__support.CPP.bit
libc.src.__support.fixed_point.fx_bits
)
+
+ add_libc_test(
+ bits${suffix}_test
+ SUITE
+ libc-stdfix-tests
+ HDRS
+ BitsFxTest.h
+ SRCS
+ bits${suffix}_test.cpp
+ COMPILE_OPTIONS
+ -O3
+ DEPENDS
+ libc.src.stdfix.bits${suffix}
+ libc.src.__support.CPP.bit
+ libc.src.__support.fixed_point.fx_bits
+ )
endforeach()
add_libc_test(
diff --git a/libc/test/src/stdfix/bitshk_test.cpp b/libc/test/src/stdfix/bitshk_test.cpp
new file mode 100644
index 00000000000000..1dce01451502da
--- /dev/null
+++ b/libc/test/src/stdfix/bitshk_test.cpp
@@ -0,0 +1,12 @@
+//===-- Unittests for bitshk ----------------------------------------------===//
+//
+// 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 "BitsFxTest.h"
+#include "src/stdfix/bitshk.h"
+
+LIST_BITSFX_TEST(hk, short accum, int_hk_t, LIBC_NAMESPACE::bitshk);
diff --git a/libc/test/src/stdfix/bitshr_test.cpp b/libc/test/src/stdfix/bitshr_test.cpp
new file mode 100644
index 00000000000000..065559e9db65f9
--- /dev/null
+++ b/libc/test/src/stdfix/bitshr_test.cpp
@@ -0,0 +1,12 @@
+//===-- Unittests for bitshr ----------------------------------------------===//
+//
+// 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 "BitsFxTest.h"
+#include "src/stdfix/bitshr.h"
+
+LIST_BITSFX_TEST(hr, short fract, int_hr_t, LIBC_NAMESPACE::bitshr);
diff --git a/libc/test/src/stdfix/bitsk_test.cpp b/libc/test/src/stdfix/bitsk_test.cpp
new file mode 100644
index 00000000000000..91aa1fa5b55eaf
--- /dev/null
+++ b/libc/test/src/stdfix/bitsk_test.cpp
@@ -0,0 +1,12 @@
+//===-- Unittests for bitsk -----------------------------------------------===//
+//
+// 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 "BitsFxTest.h"
+#include "src/stdfix/bitsk.h"
+
+LIST_BITSFX_TEST(k, accum, int_k_t, LIBC_NAMESPACE::bitsk);
diff --git a/libc/test/src/stdfix/bitslk_test.cpp b/libc/test/src/stdfix/bitslk_test.cpp
new file mode 100644
index 00000000000000..2fdbaaf7ad9841
--- /dev/null
+++ b/libc/test/src/stdfix/bitslk_test.cpp
@@ -0,0 +1,12 @@
+//===-- Unittests for bitslk ----------------------------------------------===//
+//
+// 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 "BitsFxTest.h"
+#include "src/stdfix/bitslk.h"
+
+LIST_BITSFX_TEST(lk, long accum, int_lk_t, LIBC_NAMESPACE::bitslk);
diff --git a/libc/test/src/stdfix/bitslr_test.cpp b/libc/test/src/stdfix/bitslr_test.cpp
new file mode 100644
index 00000000000000..7b6ce7b3955ce4
--- /dev/null
+++ b/libc/test/src/stdfix/bitslr_test.cpp
@@ -0,0 +1,12 @@
+//===-- Unittests for bitslr ----------------------------------------------===//
+//
+// 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 "BitsFxTest.h"
+#include "src/stdfix/bitslr.h"
+
+LIST_BITSFX_TEST(lr, long fract, int_lr_t, LIBC_NAMESPACE::bitslr);
diff --git a/libc/test/src/stdfix/bitsr_test.cpp b/libc/test/src/stdfix/bitsr_test.cpp
new file mode 100644
index 00000000000000..55ddc786630872
--- /dev/null
+++ b/libc/test/src/stdfix/bitsr_test.cpp
@@ -0,0 +1,12 @@
+//===-- Unittests for bitsr -----------------------------------------------===//
+//
+// 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 "BitsFxTest.h"
+#include "src/stdfix/bitsr.h"
+
+LIST_BITSFX_TEST(r, fract, int_r_t, LIBC_NAMESPACE::bitsr);
diff --git a/libc/test/src/stdfix/bitsuhk_test.cpp b/libc/test/src/stdfix/bitsuhk_test.cpp
new file mode 100644
index 00000000000000..bace75949a53be
--- /dev/null
+++ b/libc/test/src/stdfix/bitsuhk_test.cpp
@@ -0,0 +1,13 @@
+//===-- Unittests for bitsuhk ---------------------------------------------===//
+//
+// 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 "BitsFxTest.h"
+#include "src/stdfix/bitsuhk.h"
+
+LIST_BITSFX_TEST(uhk, unsigned short accum, uint_uhk_t,
+ LIBC_NAMESPACE::bitsuhk);
diff --git a/libc/test/src/stdfix/bitsuhr_test.cpp b/libc/test/src/stdfix/bitsuhr_test.cpp
new file mode 100644
index 00000000000000..28fb96f000354c
--- /dev/null
+++ b/libc/test/src/stdfix/bitsuhr_test.cpp
@@ -0,0 +1,13 @@
+//===-- Unittests for bitsuhr ---------------------------------------------===//
+//
+// 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 "BitsFxTest.h"
+#include "src/stdfix/bitsuhr.h"
+
+LIST_BITSFX_TEST(uhr, unsigned short fract, uint_uhr_t,
+ LIBC_NAMESPACE::bitsuhr);
diff --git a/libc/test/src/stdfix/bitsuk_test.cpp b/libc/test/src/stdfix/bitsuk_test.cpp
new file mode 100644
index 00000000000000..b1dda0bf748745
--- /dev/null
+++ b/libc/test/src/stdfix/bitsuk_test.cpp
@@ -0,0 +1,12 @@
+//===-- Unittests for bitsuk ----------------------------------------------===//
+//
+// 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 "BitsFxTest.h"
+#include "src/stdfix/bitsuk.h"
+
+LIST_BITSFX_TEST(uk, unsigned accum, uint_uk_t, LIBC_NAMESPACE::bitsuk);
diff --git a/libc/test/src/stdfix/bitsulk_test.cpp b/libc/test/src/stdfix/bitsulk_test.cpp
new file mode 100644
index 00000000000000..da06df0f16ab5e
--- /dev/null
+++ b/libc/test/src/stdfix/bitsulk_test.cpp
@@ -0,0 +1,12 @@
+//===-- Unittests for bitsulk ---------------------------------------------===//
+//
+// 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 "BitsFxTest.h"
+#include "src/stdfix/bitsulk.h"
+
+LIST_BITSFX_TEST(ulk, unsigned long accum, uint_ulk_t, LIBC_NAMESPACE::bitsulk);
diff --git a/libc/test/src/stdfix/bitsulr_test.cpp b/libc/test/src/stdfix/bitsulr_test.cpp
new file mode 100644
index 00000000000000..45bc73120d9dbe
--- /dev/null
+++ b/libc/test/src/stdfix/bitsulr_test.cpp
@@ -0,0 +1,12 @@
+//===-- Unittests for bitsulr ---------------------------------------------===//
+//
+// 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 "BitsFxTest.h"
+#include "src/stdfix/bitsulr.h"
+
+LIST_BITSFX_TEST(ulr, unsigned long fract, uint_ulr_t, LIBC_NAMESPACE::bitsulr);
diff --git a/libc/test/src/stdfix/bitsur_test.cpp b/libc/test/src/stdfix/bitsur_test.cpp
new file mode 100644
index 00000000000000..bf8823433cc2fd
--- /dev/null
+++ b/libc/test/src/stdfix/bitsur_test.cpp
@@ -0,0 +1,12 @@
+//===-- Unittests for bitsur ----------------------------------------------===//
+//
+// 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 "BitsFxTest.h"
+#include "src/stdfix/bitsur.h"
+
+LIST_BITSFX_TEST(ur, unsigned fract, uint_ur_t, LIBC_NAMESPACE::bitsur);
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