This adds the _Float16 preprocessor macro definitions.

Differential Revision: https://reviews.llvm.org/D34695

llvm-svn: 313152

2 files changed, 81 insertions, 2 deletions

diff --git a/clang/test/Headers/float16.c b/clang/test/Headers/float16.c
new file mode 100644
index 00000000000..3b905adb33e
--- /dev/null
+++ b/clang/test/Headers/float16.c
@@ -0,0 +1,65 @@
+// RUN: %clang_cc1 -fsyntax-only -verify -std=c89 -ffreestanding %s
+// RUN: %clang_cc1 -fsyntax-only -verify -std=c99 -ffreestanding %s
+// RUN: %clang_cc1 -fsyntax-only -verify -std=c11 -ffreestanding %s
+// RUN: %clang_cc1 -fsyntax-only -verify -std=c++11 -x c++ -ffreestanding %s
+// expected-no-diagnostics
+
+#define __STDC_WANT_IEC_60559_TYPES_EXT__
+#include <float.h>
+
+#ifndef FLT16_MIN_10_EXP
+    #error "Macro FLT16_MIN_10_EXP is missing."
+#elif   FLT16_MIN_10_EXP > -13
+    #error "Macro FLT16_MIN_10_EXP is invalid."
+#endif
+
+_Static_assert(FLT16_MIN_10_EXP == __FLT16_MIN_10_EXP__, "");
+
+#ifndef FLT16_MIN_EXP
+    #error "Macro FLT16_MIN_EXP is missing."
+#elif   FLT16_MIN_EXP > -14
+    #error "Macro FLT16_MIN_EXP is invalid."
+#endif
+
+_Static_assert(FLT16_MIN_EXP == __FLT16_MIN_EXP__, "");
+
+#ifndef FLT16_MAX_10_EXP
+    #error "Macro FLT16_MAX_10_EXP is missing."
+#elif   FLT16_MAX_10_EXP < 4
+    #error "Macro FLT16_MAX_10_EXP is invalid."
+#endif
+
+_Static_assert(FLT16_MAX_10_EXP == __FLT16_MAX_10_EXP__, "");
+
+#ifndef FLT16_MAX_EXP
+    #error "Macro FLT16_MAX_EXP is missing."
+#elif   FLT16_MAX_EXP < 15
+    #error "Macro FLT16_MAX_EXP is invalid."
+#endif
+
+_Static_assert(FLT16_MAX_EXP == __FLT16_MAX_EXP__, "");
+
+#ifndef FLT16_DECIMAL_DIG
+    #error "Macro FLT16_DECIMAL_DIG is missing."
+#elif   FLT16_DECIMAL_DIG < 5
+    #error "Macro FLT16_DECIMAL_DIG is invalid."
+#endif
+
+_Static_assert(FLT16_DECIMAL_DIG == __FLT16_DECIMAL_DIG__, "");
+
+#ifndef FLT16_DIG
+    #error "Macro FLT16_DIG is missing."
+#elif   FLT16_DIG < 3
+    #error "Macro FLT16_DIG is invalid."
+#endif
+
+_Static_assert(FLT16_DIG == __FLT16_DIG__, "");
+
+#ifndef FLT16_MANT_DIG
+    #error "Macro FLT16_MANT_DIG is missing."
+#elif   FLT16_MANT_DIG < 11
+    #error "Macro FLT16_MANT_DIG is invalid."
+#endif
+
+_Static_assert(FLT16_MANT_DIG == __FLT16_MANT_DIG__, "");
+
diff --git a/clang/test/Preprocessor/init.c b/clang/test/Preprocessor/init.c
index bae7c0689ba..0c012c971ac 100644
--- a/clang/test/Preprocessor/init.c
+++ b/clang/test/Preprocessor/init.c
@@ -301,6 +301,20 @@
 // AARCH64:#define __DBL_MIN_EXP__ (-1021)
 // AARCH64:#define __DBL_MIN__ 2.2250738585072014e-308
 // AARCH64:#define __DECIMAL_DIG__ __LDBL_DECIMAL_DIG__
+// AARCH64:#define __FLT16_DECIMAL_DIG__ 5
+// AARCH64:#define __FLT16_DENORM_MIN__ 5.9604644775390625e-8F16
+// AARCH64:#define __FLT16_DIG__ 3
+// AARCH64:#define __FLT16_EPSILON__ 9.765625e-4F16
+// AARCH64:#define __FLT16_HAS_DENORM__ 1
+// AARCH64:#define __FLT16_HAS_INFINITY__ 1
+// AARCH64:#define __FLT16_HAS_QUIET_NAN__ 1
+// AARCH64:#define __FLT16_MANT_DIG__ 11
+// AARCH64:#define __FLT16_MAX_10_EXP__ 4
+// AARCH64:#define __FLT16_MAX_EXP__ 15
+// AARCH64:#define __FLT16_MAX__ 6.5504e+4F16
+// AARCH64:#define __FLT16_MIN_10_EXP__ (-13)
+// AARCH64:#define __FLT16_MIN_EXP__ (-14)
+// AARCH64:#define __FLT16_MIN__ 6.103515625e-5F16
 // AARCH64:#define __FLT_DENORM_MIN__ 1.40129846e-45F
 // AARCH64:#define __FLT_DIG__ 6
 // AARCH64:#define __FLT_EPSILON__ 1.19209290e-7F
@@ -9071,7 +9085,7 @@
 // WEBASSEMBLY32-NEXT:#define __DECIMAL_DIG__ __LDBL_DECIMAL_DIG__
 // WEBASSEMBLY32-NOT:#define __ELF__
 // WEBASSEMBLY32-NEXT:#define __FINITE_MATH_ONLY__ 0
-// WEBASSEMBLY32-NEXT:#define __FLT_DECIMAL_DIG__ 9
+// WEBASSEMBLY32:#define __FLT_DECIMAL_DIG__ 9
 // WEBASSEMBLY32-NEXT:#define __FLT_DENORM_MIN__ 1.40129846e-45F
 // WEBASSEMBLY32-NEXT:#define __FLT_DIG__ 6
 // WEBASSEMBLY32-NEXT:#define __FLT_EPSILON__ 1.19209290e-7F
@@ -9402,7 +9416,7 @@
 // WEBASSEMBLY64-NEXT:#define __DECIMAL_DIG__ __LDBL_DECIMAL_DIG__
 // WEBASSEMBLY64-NOT:#define __ELF__
 // WEBASSEMBLY64-NEXT:#define __FINITE_MATH_ONLY__ 0
-// WEBASSEMBLY64-NEXT:#define __FLT_DECIMAL_DIG__ 9
+// WEBASSEMBLY64:#define __FLT_DECIMAL_DIG__ 9
 // WEBASSEMBLY64-NEXT:#define __FLT_DENORM_MIN__ 1.40129846e-45F
 // WEBASSEMBLY64-NEXT:#define __FLT_DIG__ 6
 // WEBASSEMBLY64-NEXT:#define __FLT_EPSILON__ 1.19209290e-7F