[libc][math][c23] add entrypoints and tests for getpayload{,f,f128} (l…

…lvm#101285)

libc/config/gpu/entrypoints.txt

@@ -283,6 +283,8 @@ set(TARGET_LIBM_ENTRYPOINTS
     libc.src.math.fmodf
     libc.src.math.frexp
     libc.src.math.frexpf
+    libc.src.math.getpayload
+    libc.src.math.getpayloadf
     libc.src.math.hypot
     libc.src.math.hypotf
     libc.src.math.ilogb

libc/config/linux/aarch64/entrypoints.txt

@@ -433,6 +433,8 @@ set(TARGET_LIBM_ENTRYPOINTS
     libc.src.math.fromfpxl
     libc.src.math.fsqrt
     libc.src.math.fsqrtl
+    libc.src.math.getpayload
+    libc.src.math.getpayloadf
     libc.src.math.hypot
     libc.src.math.hypotf
     libc.src.math.ilogb
@@ -634,6 +636,7 @@ if(LIBC_TYPES_HAS_FLOAT128)
     libc.src.math.frexpf128
     libc.src.math.fromfpf128
     libc.src.math.fromfpxf128
+    libc.src.math.getpayloadf128
     libc.src.math.ilogbf128
     libc.src.math.ldexpf128
     libc.src.math.llogbf128

libc/config/linux/arm/entrypoints.txt

@@ -293,6 +293,8 @@ set(TARGET_LIBM_ENTRYPOINTS
     libc.src.math.fromfpx
     libc.src.math.fromfpxf
     libc.src.math.fromfpxl
+    libc.src.math.getpayload
+    libc.src.math.getpayloadf
     libc.src.math.hypot
     libc.src.math.hypotf
     libc.src.math.ilogb

libc/config/linux/riscv/entrypoints.txt

@@ -456,6 +456,8 @@ set(TARGET_LIBM_ENTRYPOINTS
     libc.src.math.fromfpxl
     libc.src.math.fsqrt
     libc.src.math.fsqrtl
+    libc.src.math.getpayload
+    libc.src.math.getpayloadf
     libc.src.math.hypot
     libc.src.math.hypotf
     libc.src.math.ilogb
@@ -590,6 +592,7 @@ if(LIBC_TYPES_HAS_FLOAT128)
     libc.src.math.fromfpf128
     libc.src.math.fromfpxf128
     libc.src.math.fsqrtf128
+    libc.src.math.getpayloadf128
     libc.src.math.ilogbf128
     libc.src.math.ldexpf128
     libc.src.math.llogbf128

libc/config/linux/x86_64/entrypoints.txt

@@ -456,6 +456,8 @@ set(TARGET_LIBM_ENTRYPOINTS
     libc.src.math.fromfpxl
     libc.src.math.fsqrt
     libc.src.math.fsqrtl
+    libc.src.math.getpayload
+    libc.src.math.getpayloadf
     libc.src.math.hypot
     libc.src.math.hypotf
     libc.src.math.ilogb
@@ -679,6 +681,7 @@ if(LIBC_TYPES_HAS_FLOAT128)
     libc.src.math.fromfpf128
     libc.src.math.fromfpxf128
     libc.src.math.fsqrtf128
+    libc.src.math.getpayloadf128
     libc.src.math.ilogbf128
     libc.src.math.ldexpf128
     libc.src.math.llogbf128

libc/docs/math/index.rst

@@ -178,7 +178,7 @@ Basic Operations
 +------------------+------------------+-----------------+------------------------+----------------------+------------------------+------------------------+----------------------------+
 | fsub             | N/A              |                 |                        | N/A                  |                        | 7.12.14.2              | F.10.11                    |
 +------------------+------------------+-----------------+------------------------+----------------------+------------------------+------------------------+----------------------------+
-| getpayload       |                  |                 |                        | |check|              |                        | F.10.13.1              | N/A                        |
+| getpayload       | |check|          | |check|         |                        | |check|              | |check|                | F.10.13.1              | N/A                        |
 +------------------+------------------+-----------------+------------------------+----------------------+------------------------+------------------------+----------------------------+
 | ilogb            | |check|          | |check|         | |check|                | |check|              | |check|                | 7.12.6.8               | F.10.3.8                   |
 +------------------+------------------+-----------------+------------------------+----------------------+------------------------+------------------------+----------------------------+

libc/spec/stdc.td

@@ -736,7 +736,10 @@ def StdC : StandardSpec<"stdc"> {
 	  GuardedFunctionSpec<"totalordermagf16", RetValSpec<IntType>, [ArgSpec<Float16Ptr>, ArgSpec<Float16Ptr>], "LIBC_TYPES_HAS_FLOAT16">,
 	  GuardedFunctionSpec<"totalordermagf128", RetValSpec<IntType>, [ArgSpec<Float128Ptr>, ArgSpec<Float128Ptr>], "LIBC_TYPES_HAS_FLOAT128">,
 
+          FunctionSpec<"getpayload", RetValSpec<DoubleType>, [ArgSpec<DoublePtr>]>,
+          FunctionSpec<"getpayloadf", RetValSpec<FloatType>, [ArgSpec<FloatPtr>]>,
           GuardedFunctionSpec<"getpayloadf16", RetValSpec<Float16Type>, [ArgSpec<Float16Ptr>], "LIBC_TYPES_HAS_FLOAT16">,
+          GuardedFunctionSpec<"getpayloadf128", RetValSpec<Float128Type>, [ArgSpec<Float128Ptr>], "LIBC_TYPES_HAS_FLOAT128">,
 
           FunctionSpec<"setpayload", RetValSpec<IntType>, [ArgSpec<DoublePtr>, ArgSpec<DoubleType>]>,
           FunctionSpec<"setpayloadf", RetValSpec<IntType>, [ArgSpec<FloatPtr>, ArgSpec<FloatType>]>,

libc/src/math/CMakeLists.txt

@@ -260,7 +260,10 @@ add_math_entrypoint_object(fromfpxl)
 add_math_entrypoint_object(fromfpxf16)
 add_math_entrypoint_object(fromfpxf128)
 
+add_math_entrypoint_object(getpayload)
+add_math_entrypoint_object(getpayloadf)
 add_math_entrypoint_object(getpayloadf16)
+add_math_entrypoint_object(getpayloadf128)
 
 add_math_entrypoint_object(hypot)
 add_math_entrypoint_object(hypotf)

libc/src/math/generic/CMakeLists.txt

@@ -4155,6 +4155,30 @@ add_entrypoint_object(
     -O3
 )
 
+add_entrypoint_object(
+  getpayload
+  SRCS
+    getpayload.cpp
+  HDRS
+    ../getpayload.h
+  DEPENDS
+    libc.src.__support.FPUtil.basic_operations
+  COMPILE_OPTIONS
+    -O3
+)
+
+add_entrypoint_object(
+  getpayloadf
+  SRCS
+    getpayloadf.cpp
+  HDRS
+    ../getpayloadf.h
+  DEPENDS
+    libc.src.__support.FPUtil.basic_operations
+  COMPILE_OPTIONS
+    -O3
+)
+
 add_entrypoint_object(
   getpayloadf16
   SRCS
@@ -4168,6 +4192,19 @@ add_entrypoint_object(
     -O3
 )
 
+add_entrypoint_object(
+  getpayloadf128
+  SRCS
+    getpayloadf128.cpp
+  HDRS
+    ../getpayloadf128.h
+  DEPENDS
+    libc.src.__support.macros.properties.types
+    libc.src.__support.FPUtil.basic_operations
+  COMPILE_OPTIONS
+    -O3
+)
+
 add_entrypoint_object(
   setpayload
   SRCS

libc/src/math/generic/getpayload.cpp

@@ -0,0 +1,20 @@
+//===-- Implementation of getpayload 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/getpayload.h"
+#include "src/__support/FPUtil/BasicOperations.h"
+#include "src/__support/common.h"
+#include "src/__support/macros/config.h"
+
+namespace LIBC_NAMESPACE_DECL {
+
+LLVM_LIBC_FUNCTION(double, getpayload, (const double *x)) {
+  return fputil::getpayload(*x);
+}
+
+} // namespace LIBC_NAMESPACE_DECL

libc/src/math/generic/getpayloadf.cpp

@@ -0,0 +1,20 @@
+//===-- Implementation of getpayloadf 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/getpayloadf.h"
+#include "src/__support/FPUtil/BasicOperations.h"
+#include "src/__support/common.h"
+#include "src/__support/macros/config.h"
+
+namespace LIBC_NAMESPACE_DECL {
+
+LLVM_LIBC_FUNCTION(float, getpayloadf, (const float *x)) {
+  return fputil::getpayload(*x);
+}
+
+} // namespace LIBC_NAMESPACE_DECL

libc/src/math/generic/getpayloadf128.cpp

@@ -0,0 +1,20 @@
+//===-- Implementation of getpayloadf128 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/getpayloadf128.h"
+#include "src/__support/FPUtil/BasicOperations.h"
+#include "src/__support/common.h"
+#include "src/__support/macros/config.h"
+
+namespace LIBC_NAMESPACE_DECL {
+
+LLVM_LIBC_FUNCTION(float128, getpayloadf128, (const float128 *x)) {
+  return fputil::getpayload(*x);
+}
+
+} // namespace LIBC_NAMESPACE_DECL

libc/src/math/getpayload.h

@@ -0,0 +1,20 @@
+//===-- Implementation header for getpayload --------------------*- 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_GETPAYLOAD_H
+#define LLVM_LIBC_SRC_MATH_GETPAYLOAD_H
+
+#include "src/__support/macros/config.h"
+
+namespace LIBC_NAMESPACE_DECL {
+
+double getpayload(const double *x);
+
+} // namespace LIBC_NAMESPACE_DECL
+
+#endif // LLVM_LIBC_SRC_MATH_GETPAYLOAD_H

libc/src/math/getpayloadf.h

@@ -0,0 +1,20 @@
+//===-- Implementation header for getpayloadf -------------------*- 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_GETPAYLOADF_H
+#define LLVM_LIBC_SRC_MATH_GETPAYLOADF_H
+
+#include "src/__support/macros/config.h"
+
+namespace LIBC_NAMESPACE_DECL {
+
+float getpayloadf(const float *x);
+
+} // namespace LIBC_NAMESPACE_DECL
+
+#endif // LLVM_LIBC_SRC_MATH_GETPAYLOADF_H

libc/src/math/getpayloadf128.h

@@ -0,0 +1,21 @@
+//===-- Implementation header for getpayloadf128 ----------------*- 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_GETPAYLOADF128_H
+#define LLVM_LIBC_SRC_MATH_GETPAYLOADF128_H
+
+#include "src/__support/macros/config.h"
+#include "src/__support/macros/properties/types.h"
+
+namespace LIBC_NAMESPACE_DECL {
+
+float128 getpayloadf128(const float128 *x);
+
+} // namespace LIBC_NAMESPACE_DECL
+
+#endif // LLVM_LIBC_SRC_MATH_GETPAYLOADF128_H

libc/test/src/math/smoke/CMakeLists.txt

@@ -3814,6 +3814,30 @@ add_fp_unittest(
     libc.src.math.totalordermagf128
 )
 
+add_fp_unittest(
+  getpayload_test
+  SUITE
+    libc-math-smoke-tests
+  SRCS
+    getpayload_test.cpp
+  HDRS
+    GetPayloadTest.h
+  DEPENDS
+    libc.src.math.getpayload
+)
+
+add_fp_unittest(
+  getpayloadf_test
+  SUITE
+    libc-math-smoke-tests
+  SRCS
+    getpayloadf_test.cpp
+  HDRS
+    GetPayloadTest.h
+  DEPENDS
+    libc.src.math.getpayloadf
+)
+
 add_fp_unittest(
   getpayloadf16_test
   SUITE
@@ -3826,6 +3850,18 @@ add_fp_unittest(
     libc.src.math.getpayloadf16
 )
 
+add_fp_unittest(
+  getpayloadf128_test
+  SUITE
+    libc-math-smoke-tests
+  SRCS
+    getpayloadf128_test.cpp
+  HDRS
+    GetPayloadTest.h
+  DEPENDS
+    libc.src.math.getpayloadf128
+)
+
 add_fp_unittest(
   setpayload_test
   SUITE

libc/test/src/math/smoke/getpayload_test.cpp

@@ -0,0 +1,13 @@
+//===-- Unittests for getpayload ------------------------------------------===//
+//
+// 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 "GetPayloadTest.h"
+
+#include "src/math/getpayload.h"
+
+LIST_GETPAYLOAD_TESTS(double, LIBC_NAMESPACE::getpayload)

libc/test/src/math/smoke/getpayloadf128_test.cpp

@@ -0,0 +1,13 @@
+//===-- Unittests for getpayloadf128 --------------------------------------===//
+//
+// 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 "GetPayloadTest.h"
+
+#include "src/math/getpayloadf128.h"
+
+LIST_GETPAYLOAD_TESTS(float128, LIBC_NAMESPACE::getpayloadf128)

libc/test/src/math/smoke/getpayloadf_test.cpp

@@ -0,0 +1,13 @@
+//===-- Unittests for getpayloadf -----------------------------------------===//
+//
+// 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 "GetPayloadTest.h"
+
+#include "src/math/getpayloadf.h"
+
+LIST_GETPAYLOAD_TESTS(float, LIBC_NAMESPACE::getpayloadf)