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* [glibc] sparc: Force calculation that raises exception
@ 2024-01-18 11:48 Adhemerval Zanella
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From: Adhemerval Zanella @ 2024-01-18 11:48 UTC (permalink / raw)
To: glibc-cvs
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=45f7ea26c1d9145a9e024b8646592d405fb285e0
commit 45f7ea26c1d9145a9e024b8646592d405fb285e0
Author: Daniel Cederman <cederman@gaisler.com>
Date: Tue Jan 16 16:16:41 2024 +0100
sparc: Force calculation that raises exception
Use the math_force_eval() macro to force the calculation to complete and
raise the exception.
With this change the math/test-fenv test pass.
Signed-off-by: Daniel Cederman <cederman@gaisler.com>
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Diff:
---
sysdeps/sparc/fpu/fraiseexcpt.c | 11 ++++++-----
1 file changed, 6 insertions(+), 5 deletions(-)
diff --git a/sysdeps/sparc/fpu/fraiseexcpt.c b/sysdeps/sparc/fpu/fraiseexcpt.c
index 26a7720ec9..642666c12a 100644
--- a/sysdeps/sparc/fpu/fraiseexcpt.c
+++ b/sysdeps/sparc/fpu/fraiseexcpt.c
@@ -20,6 +20,7 @@
#include <float.h>
#include <math.h>
#include <shlib-compat.h>
+#include <math-barriers.h>
int
__feraiseexcept (int excepts)
@@ -42,7 +43,7 @@ __feraiseexcept (int excepts)
/* One example of an invalid operation is 0/0. */
__asm ("" : "=e" (d) : "0" (c.zero));
d /= c.zero;
- __asm __volatile ("" : : "e" (d));
+ math_force_eval (d);
}
/* Next: division by zero. */
@@ -50,7 +51,7 @@ __feraiseexcept (int excepts)
{
__asm ("" : "=e" (d) : "0" (c.one));
d /= c.zero;
- __asm __volatile ("" : : "e" (d));
+ math_force_eval (d);
}
/* Next: overflow. */
@@ -58,7 +59,7 @@ __feraiseexcept (int excepts)
{
__asm ("" : "=e" (d) : "0" (c.max));
d *= d;
- __asm __volatile ("" : : "e" (d));
+ math_force_eval (d);
}
/* Next: underflow. */
@@ -66,7 +67,7 @@ __feraiseexcept (int excepts)
{
__asm ("" : "=e" (d) : "0" (c.min));
d *= d;
- __asm __volatile ("" : : "e" (d));
+ math_force_eval (d);
}
/* Last: inexact. */
@@ -74,7 +75,7 @@ __feraiseexcept (int excepts)
{
__asm ("" : "=e" (d) : "0" (c.one));
d /= c.pi;
- __asm __volatile ("" : : "e" (d));
+ math_force_eval (d);
}
/* Success. */
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