From 89d61243f2f05748c0198b3c0e4766c2df2f4434 Mon Sep 17 00:00:00 2001
From: Elliott Hughes <enh@google.com>
Date: Mon, 9 Jun 2014 14:33:39 -0700
Subject: Move mips fenv implementation details into fenv.c.

Change-Id: I2415e4808e40c2981d016c01969ba14ea22bf82e
---
 libm/include/mips/machine/fenv.h |  7 -------
 libm/mips/fenv.c                 | 28 +++++++++++++++++-----------
 2 files changed, 17 insertions(+), 18 deletions(-)

diff --git a/libm/include/mips/machine/fenv.h b/libm/include/mips/machine/fenv.h
index 37f0f9c..689e1cb 100644
--- a/libm/include/mips/machine/fenv.h
+++ b/libm/include/mips/machine/fenv.h
@@ -87,19 +87,12 @@ typedef __uint32_t fexcept_t;
 #define FE_ALL_EXCEPT (FE_DIVBYZERO | FE_INEXACT | \
                        FE_INVALID | FE_OVERFLOW | FE_UNDERFLOW)
 
-#define _FCSR_CAUSE_SHIFT 10
-#define _ENABLE_SHIFT     5
-#define _FCSR_ENABLE_MASK (FE_ALL_EXCEPT << _ENABLE_SHIFT)
-
 /* Rounding modes */
 #define FE_TONEAREST  0x0000
 #define FE_TOWARDZERO 0x0001
 #define FE_UPWARD     0x0002
 #define FE_DOWNWARD   0x0003
 
-#define _FCSR_RMODE_SHIFT 0
-#define _FCSR_RMASK       0x3
-
 __END_DECLS
 
 #endif /* !_MIPS_FENV_H_ */
diff --git a/libm/mips/fenv.c b/libm/mips/fenv.c
index 893bc30..aacd526 100644
--- a/libm/mips/fenv.c
+++ b/libm/mips/fenv.c
@@ -28,6 +28,12 @@
 
 #include <fenv.h>
 
+#define FCSR_CAUSE_SHIFT 10
+#define FCSR_ENABLE_SHIFT 5
+#define FCSR_ENABLE_MASK (FE_ALL_EXCEPT << FCSR_ENABLE_SHIFT)
+
+#define FCSR_RMASK       0x3
+
 /*
  * Hopefully the system ID byte is immutable, so it's valid to use
  * this as a default environment.
@@ -55,7 +61,7 @@ int feclearexcept(int __excepts) {
   fexcept_t __fcsr;
   fegetenv(&__fcsr);
   __excepts &= FE_ALL_EXCEPT;
-  __fcsr &= ~(__excepts | (__excepts << _FCSR_CAUSE_SHIFT));
+  __fcsr &= ~(__excepts | (__excepts << FCSR_CAUSE_SHIFT));
   fesetenv(&__fcsr);
   return 0;
 }
@@ -84,7 +90,7 @@ int feraiseexcept(int __excepts) {
   /* Ensure that flags are all legal */
   __excepts &= FE_ALL_EXCEPT;
   /* Cause bit needs to be set as well for generating the exception*/
-  __fcsr |= __excepts | (__excepts << _FCSR_CAUSE_SHIFT);
+  __fcsr |= __excepts | (__excepts << FCSR_CAUSE_SHIFT);
   fesetenv(&__fcsr);
   return 0;
 }
@@ -98,14 +104,14 @@ int fetestexcept(int __excepts) {
 int fegetround(void) {
   fenv_t _fcsr;
   fegetenv(&_fcsr);
-  return (_fcsr & _FCSR_RMASK);
+  return (_fcsr & FCSR_RMASK);
 }
 
 int fesetround(int __round) {
   fenv_t _fcsr;
   fegetenv(&_fcsr);
-  _fcsr &= ~_FCSR_RMASK;
-  _fcsr |= (__round & _FCSR_RMASK ) ;
+  _fcsr &= ~FCSR_RMASK;
+  _fcsr |= (__round & FCSR_RMASK);
   fesetenv(&_fcsr);
   return 0;
 }
@@ -114,7 +120,7 @@ int feholdexcept(fenv_t* __envp) {
   fenv_t __env;
   fegetenv(&__env);
   *__envp = __env;
-  __env &= ~(FE_ALL_EXCEPT | _FCSR_ENABLE_MASK);
+  __env &= ~(FE_ALL_EXCEPT | FCSR_ENABLE_MASK);
   fesetenv(&__env);
   return 0;
 }
@@ -130,21 +136,21 @@ int feupdateenv(const fenv_t* __envp) {
 int feenableexcept(int __mask) {
   fenv_t __old_fcsr, __new_fcsr;
   fegetenv(&__old_fcsr);
-  __new_fcsr = __old_fcsr | (__mask & FE_ALL_EXCEPT) << _ENABLE_SHIFT;
+  __new_fcsr = __old_fcsr | (__mask & FE_ALL_EXCEPT) << FCSR_ENABLE_SHIFT;
   fesetenv(&__new_fcsr);
-  return ((__old_fcsr >> _ENABLE_SHIFT) & FE_ALL_EXCEPT);
+  return ((__old_fcsr >> FCSR_ENABLE_SHIFT) & FE_ALL_EXCEPT);
 }
 
 int fedisableexcept(int __mask) {
   fenv_t __old_fcsr, __new_fcsr;
   fegetenv(&__old_fcsr);
-  __new_fcsr = __old_fcsr & ~((__mask & FE_ALL_EXCEPT) << _ENABLE_SHIFT);
+  __new_fcsr = __old_fcsr & ~((__mask & FE_ALL_EXCEPT) << FCSR_ENABLE_SHIFT);
   fesetenv(&__new_fcsr);
-  return ((__old_fcsr >> _ENABLE_SHIFT) & FE_ALL_EXCEPT);
+  return ((__old_fcsr >> FCSR_ENABLE_SHIFT) & FE_ALL_EXCEPT);
 }
 
 int fegetexcept(void) {
   fenv_t __fcsr;
   fegetenv(&__fcsr);
-  return ((__fcsr & _FCSR_ENABLE_MASK) >> _ENABLE_SHIFT);
+  return ((__fcsr & FCSR_ENABLE_MASK) >> FCSR_ENABLE_SHIFT);
 }
-- 
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