From 033a9d6ad2a65ac03156b179e7c6101d2e72c4c0 Mon Sep 17 00:00:00 2001
From: Szabolcs Nagy <nsz@port70.net>
Date: Tue, 13 Nov 2012 13:34:45 +0100
Subject: [PATCH] math: use '#pragma STDC FENV_ACCESS ON' when fenv is accessed

---
 src/fenv/feupdateenv.c | 1 +
 src/math/fma.c         | 2 ++
 src/math/fmaf.c        | 1 +
 src/math/fmal.c        | 1 +
 src/math/llrintl.c     | 1 +
 src/math/lrint.c       | 1 +
 src/math/lrintl.c      | 1 +
 src/math/nearbyint.c   | 1 +
 src/math/nearbyintf.c  | 1 +
 src/math/nearbyintl.c  | 1 +
 10 files changed, 11 insertions(+)

diff --git a/src/fenv/feupdateenv.c b/src/fenv/feupdateenv.c
index 50cef8e5..f45ed7c0 100644
--- a/src/fenv/feupdateenv.c
+++ b/src/fenv/feupdateenv.c
@@ -2,6 +2,7 @@
 
 int feupdateenv(const fenv_t *envp)
 {
+	#pragma STDC FENV_ACCESS ON
 	int ex = fetestexcept(FE_ALL_EXCEPT);
 	fesetenv(envp);
 	feraiseexcept(ex);
diff --git a/src/math/fma.c b/src/math/fma.c
index 7076d4b9..17f1cdcc 100644
--- a/src/math/fma.c
+++ b/src/math/fma.c
@@ -89,6 +89,7 @@ static int getexp(long double x)
 
 double fma(double x, double y, double z)
 {
+	#pragma STDC FENV_ACCESS ON
 	long double hi, lo1, lo2, xy;
 	int round, ez, exy;
 
@@ -306,6 +307,7 @@ static inline struct dd dd_mul(double a, double b)
  */
 double fma(double x, double y, double z)
 {
+	#pragma STDC FENV_ACCESS ON
 	double xs, ys, zs, adj;
 	struct dd xy, r;
 	int oround;
diff --git a/src/math/fmaf.c b/src/math/fmaf.c
index cc427fb5..a1c7f4f8 100644
--- a/src/math/fmaf.c
+++ b/src/math/fmaf.c
@@ -37,6 +37,7 @@
  */
 float fmaf(float x, float y, float z)
 {
+	#pragma STDC FENV_ACCESS ON
 	double xy, result;
 	uint32_t hr, lr;
 
diff --git a/src/math/fmal.c b/src/math/fmal.c
index be64f145..ccbe434d 100644
--- a/src/math/fmal.c
+++ b/src/math/fmal.c
@@ -162,6 +162,7 @@ static inline struct dd dd_mul(long double a, long double b)
  */
 long double fmal(long double x, long double y, long double z)
 {
+	#pragma STDC FENV_ACCESS ON
 	long double xs, ys, zs, adj;
 	struct dd xy, r;
 	int oround;
diff --git a/src/math/llrintl.c b/src/math/llrintl.c
index 32bb8b03..3449f6f2 100644
--- a/src/math/llrintl.c
+++ b/src/math/llrintl.c
@@ -18,6 +18,7 @@ raises inexact (with tonearest or upward rounding mode)
 */
 long long llrintl(long double x)
 {
+	#pragma STDC FENV_ACCESS ON
 	int e;
 
 	e = fetestexcept(FE_INEXACT);
diff --git a/src/math/lrint.c b/src/math/lrint.c
index 67091835..bdca8b7c 100644
--- a/src/math/lrint.c
+++ b/src/math/lrint.c
@@ -28,6 +28,7 @@ as a double.
 #if LONG_MAX < 1U<<53 && defined(FE_INEXACT)
 long lrint(double x)
 {
+	#pragma STDC FENV_ACCESS ON
 	int e;
 
 	e = fetestexcept(FE_INEXACT);
diff --git a/src/math/lrintl.c b/src/math/lrintl.c
index 5eb1ba7e..b2a8106d 100644
--- a/src/math/lrintl.c
+++ b/src/math/lrintl.c
@@ -18,6 +18,7 @@ raises inexact (with tonearest or upward rounding mode)
 */
 long lrintl(long double x)
 {
+	#pragma STDC FENV_ACCESS ON
 	int e;
 
 	e = fetestexcept(FE_INEXACT);
diff --git a/src/math/nearbyint.c b/src/math/nearbyint.c
index 7a4c58cf..f4e8aac4 100644
--- a/src/math/nearbyint.c
+++ b/src/math/nearbyint.c
@@ -6,6 +6,7 @@
 double nearbyint(double x)
 {
 #ifdef FE_INEXACT
+	#pragma STDC FENV_ACCESS ON
 	int e;
 
 	e = fetestexcept(FE_INEXACT);
diff --git a/src/math/nearbyintf.c b/src/math/nearbyintf.c
index 39c3d73b..092e9ffa 100644
--- a/src/math/nearbyintf.c
+++ b/src/math/nearbyintf.c
@@ -4,6 +4,7 @@
 float nearbyintf(float x)
 {
 #ifdef FE_INEXACT
+	#pragma STDC FENV_ACCESS ON
 	int e;
 
 	e = fetestexcept(FE_INEXACT);
diff --git a/src/math/nearbyintl.c b/src/math/nearbyintl.c
index 0ff4b1f9..82852492 100644
--- a/src/math/nearbyintl.c
+++ b/src/math/nearbyintl.c
@@ -11,6 +11,7 @@ long double nearbyintl(long double x)
 long double nearbyintl(long double x)
 {
 #ifdef FE_INEXACT
+	#pragma STDC FENV_ACCESS ON
 	int e;
 
 	e = fetestexcept(FE_INEXACT);
-- 
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