[PATCH 12/25] math: Use internal fetestexcept alias on fma
Adhemerval Zanella
adhemerval.zanella@linaro.org
Mon Aug 25 16:38:31 GMT 2025
To avoid linknamespace issues on old standards. It is required
if the fallback fma implementation is used if/when it is also
used internally for other implementation.
---
sysdeps/ieee754/ldbl-128/s_fma.c | 2 +-
sysdeps/ieee754/ldbl-128/s_fmal.c | 8 ++++----
sysdeps/ieee754/ldbl-96/s_fma.c | 2 +-
sysdeps/ieee754/ldbl-96/s_fmal.c | 8 ++++----
4 files changed, 10 insertions(+), 10 deletions(-)
diff --git a/sysdeps/ieee754/ldbl-128/s_fma.c b/sysdeps/ieee754/ldbl-128/s_fma.c
index bfbc03d308..a5466b67c5 100644
--- a/sysdeps/ieee754/ldbl-128/s_fma.c
+++ b/sysdeps/ieee754/ldbl-128/s_fma.c
@@ -55,7 +55,7 @@ __fma (double x, double y, double z)
/* Perform addition with round to odd. */
u.d = temp + (long double) z;
if ((u.ieee.mantissa3 & 1) == 0 && u.ieee.exponent != 0x7fff)
- u.ieee.mantissa3 |= fetestexcept (FE_INEXACT) != 0;
+ u.ieee.mantissa3 |= __fetestexcept (FE_INEXACT) != 0;
__feupdateenv (&env);
/* And finally truncation with round to nearest. */
return (double) u.d;
diff --git a/sysdeps/ieee754/ldbl-128/s_fmal.c b/sysdeps/ieee754/ldbl-128/s_fmal.c
index 09f90b6e6e..f52a21306d 100644
--- a/sysdeps/ieee754/ldbl-128/s_fmal.c
+++ b/sysdeps/ieee754/ldbl-128/s_fmal.c
@@ -236,7 +236,7 @@ __fmal (_Float128 x, _Float128 y, _Float128 z)
if (__glibc_likely (adjust == 0))
{
if ((u.ieee.mantissa3 & 1) == 0 && u.ieee.exponent != 0x7fff)
- u.ieee.mantissa3 |= fetestexcept (FE_INEXACT) != 0;
+ u.ieee.mantissa3 |= __fetestexcept (FE_INEXACT) != 0;
__feupdateenv (&env);
/* Result is a1 + u.d. */
return a1 + u.d;
@@ -244,7 +244,7 @@ __fmal (_Float128 x, _Float128 y, _Float128 z)
else if (__glibc_likely (adjust > 0))
{
if ((u.ieee.mantissa3 & 1) == 0 && u.ieee.exponent != 0x7fff)
- u.ieee.mantissa3 |= fetestexcept (FE_INEXACT) != 0;
+ u.ieee.mantissa3 |= __fetestexcept (FE_INEXACT) != 0;
__feupdateenv (&env);
/* Result is a1 + u.d, scaled up. */
return (a1 + u.d) * L(0x1p113);
@@ -252,11 +252,11 @@ __fmal (_Float128 x, _Float128 y, _Float128 z)
else
{
if ((u.ieee.mantissa3 & 1) == 0)
- u.ieee.mantissa3 |= fetestexcept (FE_INEXACT) != 0;
+ u.ieee.mantissa3 |= __fetestexcept (FE_INEXACT) != 0;
v.d = a1 + u.d;
/* Ensure the addition is not scheduled after fetestexcept call. */
math_force_eval (v.d);
- int j = fetestexcept (FE_INEXACT) != 0;
+ int j = __fetestexcept (FE_INEXACT) != 0;
__feupdateenv (&env);
/* Ensure the following computations are performed in default rounding
mode instead of just reusing the round to zero computation. */
diff --git a/sysdeps/ieee754/ldbl-96/s_fma.c b/sysdeps/ieee754/ldbl-96/s_fma.c
index de8f38212b..9723c5a797 100644
--- a/sysdeps/ieee754/ldbl-96/s_fma.c
+++ b/sysdeps/ieee754/ldbl-96/s_fma.c
@@ -94,7 +94,7 @@ __fma (double x, double y, double z)
union ieee854_long_double u;
u.d = a1 + a2;
if ((u.ieee.mantissa1 & 1) == 0 && u.ieee.exponent != 0x7fff)
- u.ieee.mantissa1 |= fetestexcept (FE_INEXACT) != 0;
+ u.ieee.mantissa1 |= __fetestexcept (FE_INEXACT) != 0;
__feupdateenv (&env);
/* Add finally round to double precision. */
diff --git a/sysdeps/ieee754/ldbl-96/s_fmal.c b/sysdeps/ieee754/ldbl-96/s_fmal.c
index 920531e248..c923bc9fff 100644
--- a/sysdeps/ieee754/ldbl-96/s_fmal.c
+++ b/sysdeps/ieee754/ldbl-96/s_fmal.c
@@ -226,7 +226,7 @@ __fmal (long double x, long double y, long double z)
if (__glibc_likely (adjust == 0))
{
if ((u.ieee.mantissa1 & 1) == 0 && u.ieee.exponent != 0x7fff)
- u.ieee.mantissa1 |= fetestexcept (FE_INEXACT) != 0;
+ u.ieee.mantissa1 |= __fetestexcept (FE_INEXACT) != 0;
__feupdateenv (&env);
/* Result is a1 + u.d. */
return a1 + u.d;
@@ -234,7 +234,7 @@ __fmal (long double x, long double y, long double z)
else if (__glibc_likely (adjust > 0))
{
if ((u.ieee.mantissa1 & 1) == 0 && u.ieee.exponent != 0x7fff)
- u.ieee.mantissa1 |= fetestexcept (FE_INEXACT) != 0;
+ u.ieee.mantissa1 |= __fetestexcept (FE_INEXACT) != 0;
__feupdateenv (&env);
/* Result is a1 + u.d, scaled up. */
return (a1 + u.d) * 0x1p64L;
@@ -242,11 +242,11 @@ __fmal (long double x, long double y, long double z)
else
{
if ((u.ieee.mantissa1 & 1) == 0)
- u.ieee.mantissa1 |= fetestexcept (FE_INEXACT) != 0;
+ u.ieee.mantissa1 |= __fetestexcept (FE_INEXACT) != 0;
v.d = a1 + u.d;
/* Ensure the addition is not scheduled after fetestexcept call. */
math_force_eval (v.d);
- int j = fetestexcept (FE_INEXACT) != 0;
+ int j = __fetestexcept (FE_INEXACT) != 0;
__feupdateenv (&env);
/* Ensure the following computations are performed in default rounding
mode instead of just reusing the round to zero computation. */
--
2.43.0
More information about the Libc-alpha
mailing list