[libc] Re-Enable GPU tests and fix math exception handling

libc/include/llvm-libc-macros/math-macros.h

@@ -32,6 +32,8 @@
 #define math_errhandling 0
 #elif defined(__NO_MATH_ERRNO__)
 #define math_errhandling (MATH_ERREXCEPT)
+#elif defined(__NVPTX__) || defined(__AMDGPU__)
+#define math_errhandling (MATH_ERRNO)
 #else
 #define math_errhandling (MATH_ERRNO | MATH_ERREXCEPT)
 #endif

libc/test/src/__support/CMakeLists.txt

@@ -1,17 +1,14 @@
 add_custom_target(libc-support-tests)
 
-# FIXME: These tests are currently broken on the GPU.
-if(NOT LIBC_TARGET_OS_IS_GPU)
-  add_libc_test(
-    blockstore_test
-    SUITE
-      libc-support-tests
-    SRCS
-      blockstore_test.cpp
-    DEPENDS
-      libc.src.__support.blockstore
-  )
-endif()
+add_libc_test(
+  blockstore_test
+  SUITE
+    libc-support-tests
+  SRCS
+    blockstore_test.cpp
+  DEPENDS
+    libc.src.__support.blockstore
+)
 
 add_libc_test(
   endian_test
@@ -42,8 +39,6 @@ add_libc_test(
   DEPENDS
     libc.src.__support.high_precision_decimal
     libc.src.__support.uint128
-  # FIXME Test segfaults on gfx90a GPU
-  UNIT_TEST_ONLY
 )
 
 add_libc_test(

libc/test/src/math/CMakeLists.txt

@@ -758,40 +758,37 @@ add_fp_unittest(
     libc.src.__support.FPUtil.basic_operations
 )
 
-# FIXME: These tests are currently broken for NVPTX.
-if(NOT LIBC_TARGET_ARCHITECTURE_IS_NVPTX)
-  add_fp_unittest(
-    ilogb_test
-    SUITE
-      libc-math-unittests
-    SRCS
-      ilogb_test.cpp
-    HDRS
-      ILogbTest.h
-    DEPENDS
-      libc.include.math
-      libc.src.math.ilogb
-      libc.src.__support.CPP.limits
-      libc.src.__support.FPUtil.fp_bits
-      libc.src.__support.FPUtil.manipulation_functions
-  )
+add_fp_unittest(
+  ilogb_test
+  SUITE
+    libc-math-unittests
+  SRCS
+    ilogb_test.cpp
+  HDRS
+    ILogbTest.h
+  DEPENDS
+    libc.include.math
+    libc.src.math.ilogb
+    libc.src.__support.CPP.limits
+    libc.src.__support.FPUtil.fp_bits
+    libc.src.__support.FPUtil.manipulation_functions
+)
 
-  add_fp_unittest(
-    ilogbf_test
-    SUITE
-      libc-math-unittests
-    SRCS
-      ilogbf_test.cpp
-    HDRS
-      ILogbTest.h
-    DEPENDS
-      libc.include.math
-      libc.src.math.ilogbf
-      libc.src.__support.CPP.limits
-      libc.src.__support.FPUtil.fp_bits
-      libc.src.__support.FPUtil.manipulation_functions
-  )
-endif()
+add_fp_unittest(
+  ilogbf_test
+  SUITE
+    libc-math-unittests
+  SRCS
+    ilogbf_test.cpp
+  HDRS
+    ILogbTest.h
+  DEPENDS
+    libc.include.math
+    libc.src.math.ilogbf
+    libc.src.__support.CPP.limits
+    libc.src.__support.FPUtil.fp_bits
+    libc.src.__support.FPUtil.manipulation_functions
+)
 
 add_fp_unittest(
   ilogbl_test
@@ -989,92 +986,89 @@ add_fp_unittest(
     libc.src.__support.FPUtil.fp_bits
 )
 
-# FIXME: These tests are currently broken on the GPU.
-if(NOT LIBC_TARGET_OS_IS_GPU)
-  add_fp_unittest(
-    fminf_test
-    SUITE
-      libc-math-unittests
-    SRCS
-      fminf_test.cpp
-    HDRS
-      FMinTest.h
-    DEPENDS
-      libc.include.math
-      libc.src.math.fminf
-      libc.src.__support.FPUtil.fp_bits
-  )
+add_fp_unittest(
+  fminf_test
+  SUITE
+    libc-math-unittests
+  SRCS
+    fminf_test.cpp
+  HDRS
+    FMinTest.h
+  DEPENDS
+    libc.include.math
+    libc.src.math.fminf
+    libc.src.__support.FPUtil.fp_bits
+)
 
-  add_fp_unittest(
-    fmin_test
-    SUITE
-      libc-math-unittests
-    SRCS
-      fmin_test.cpp
-    HDRS
-      FMinTest.h
-    DEPENDS
-      libc.include.math
-      libc.src.math.fmin
-      libc.src.__support.FPUtil.fp_bits
-  )
+add_fp_unittest(
+  fmin_test
+  SUITE
+    libc-math-unittests
+  SRCS
+    fmin_test.cpp
+  HDRS
+    FMinTest.h
+  DEPENDS
+    libc.include.math
+    libc.src.math.fmin
+    libc.src.__support.FPUtil.fp_bits
+)
 
-  add_fp_unittest(
-    fminl_test
-    SUITE
-      libc-math-unittests
-    SRCS
-      fminl_test.cpp
-    HDRS
-      FMinTest.h
-    DEPENDS
-      libc.include.math
-      libc.src.math.fminl
-      libc.src.__support.FPUtil.fp_bits
-  )
+add_fp_unittest(
+  fminl_test
+  SUITE
+    libc-math-unittests
+  SRCS
+    fminl_test.cpp
+  HDRS
+    FMinTest.h
+  DEPENDS
+    libc.include.math
+    libc.src.math.fminl
+    libc.src.__support.FPUtil.fp_bits
+)
 
-  add_fp_unittest(
-    fmaxf_test
-    SUITE
-      libc-math-unittests
-    SRCS
-      fmaxf_test.cpp
-    HDRS
-      FMaxTest.h
-    DEPENDS
-      libc.include.math
-      libc.src.math.fmaxf
-      libc.src.__support.FPUtil.fp_bits
-  )
+add_fp_unittest(
+  fmaxf_test
+  SUITE
+    libc-math-unittests
+  SRCS
+    fmaxf_test.cpp
+  HDRS
+    FMaxTest.h
+  DEPENDS
+    libc.include.math
+    libc.src.math.fmaxf
+    libc.src.__support.FPUtil.fp_bits
+)
 
-  add_fp_unittest(
-    fmax_test
-    SUITE
-      libc-math-unittests
-    SRCS
-      fmax_test.cpp
-    HDRS
-      FMaxTest.h
-    DEPENDS
-      libc.include.math
-      libc.src.math.fmax
-      libc.src.__support.FPUtil.fp_bits
-  )
+add_fp_unittest(
+  fmax_test
+  SUITE
+    libc-math-unittests
+  SRCS
+    fmax_test.cpp
+  HDRS
+    FMaxTest.h
+  DEPENDS
+    libc.include.math
+    libc.src.math.fmax
+    libc.src.__support.FPUtil.fp_bits
+)
 
-  add_fp_unittest(
-    fmaxl_test
-    SUITE
-      libc-math-unittests
-    SRCS
-      fmaxl_test.cpp
-    HDRS
-      FMaxTest.h
-    DEPENDS
-      libc.include.math
-      libc.src.math.fmaxl
-      libc.src.__support.FPUtil.fp_bits
-  )
-endif()
+add_fp_unittest(
+  fmaxl_test
+  SUITE
+    libc-math-unittests
+  SRCS
+    fmaxl_test.cpp
+  HDRS
+    FMaxTest.h
+  DEPENDS
+    libc.include.math
+    libc.src.math.fmaxl
+    libc.src.__support.FPUtil.fp_bits
+)
 
 add_fp_unittest(
   sqrtf_test
@@ -1234,38 +1228,35 @@ add_fp_unittest(
     libc.src.__support.FPUtil.fp_bits
 )
 
-# FIXME: These tests are currently spurious for NVPTX.
-if(NOT LIBC_TARGET_ARCHITECTURE_IS_NVPTX)
-  add_fp_unittest(
-    nextafter_test
-    SUITE
-      libc-math-unittests
-    SRCS
-      nextafter_test.cpp
-    HDRS
-      NextAfterTest.h
-    DEPENDS
-      libc.include.math
-      libc.src.math.nextafter
-      libc.src.__support.FPUtil.basic_operations
-      libc.src.__support.FPUtil.fp_bits
-  )
+add_fp_unittest(
+  nextafter_test
+  SUITE
+    libc-math-unittests
+  SRCS
+    nextafter_test.cpp
+  HDRS
+    NextAfterTest.h
+  DEPENDS
+    libc.include.math
+    libc.src.math.nextafter
+    libc.src.__support.FPUtil.basic_operations
+    libc.src.__support.FPUtil.fp_bits
+)
 
-  add_fp_unittest(
-    nextafterf_test
-    SUITE
-      libc-math-unittests
-    SRCS
-      nextafterf_test.cpp
-    HDRS
-      NextAfterTest.h
-    DEPENDS
-      libc.include.math
-      libc.src.math.nextafterf
-      libc.src.__support.FPUtil.basic_operations
-      libc.src.__support.FPUtil.fp_bits
-  )
-endif()
+add_fp_unittest(
+  nextafterf_test
+  SUITE
+    libc-math-unittests
+  SRCS
+    nextafterf_test.cpp
+  HDRS
+    NextAfterTest.h
+  DEPENDS
+    libc.include.math
+    libc.src.math.nextafterf
+    libc.src.__support.FPUtil.basic_operations
+    libc.src.__support.FPUtil.fp_bits
+)
 
 add_fp_unittest(
   nextafterl_test