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authorRichard Henderson <rth@twiddle.net>2014-08-05 13:36:36 -0700
committerRichard Henderson <rth@twiddle.net>2014-08-05 13:36:36 -0700
commit27bb6dc0db1d0da548a0be3ec1aa33e2c25565cd (patch)
tree827283a9175ea2dcf94027ebca637fd5ec83bda7 /sysdeps/alpha
parentd3f364d3c79cc6cbeb0bf6f8cec90c9e4465db0f (diff)
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alpha: Fix exception raising from soft-fp
Use the SSI_IEEE_RAISE_EXCEPTION function as from feraiseexcept,
instead of __ieee_get+set_fp_status.  Always raise the FP exceptions
from float-to-integer conversion.
Diffstat (limited to 'sysdeps/alpha')
-rw-r--r--sysdeps/alpha/soft-fp/Makefile3
-rw-r--r--sysdeps/alpha/soft-fp/ots_cvtxq.c4
-rw-r--r--sysdeps/alpha/soft-fp/sfp-machine.h8
3 files changed, 7 insertions, 8 deletions
diff --git a/sysdeps/alpha/soft-fp/Makefile b/sysdeps/alpha/soft-fp/Makefile
index 5410a78984..83baa7c49d 100644
--- a/sysdeps/alpha/soft-fp/Makefile
+++ b/sysdeps/alpha/soft-fp/Makefile
@@ -2,7 +2,8 @@
 
 ifeq ($(subdir),soft-fp)
 sysdep_routines += ots_add ots_sub ots_mul ots_div ots_cmp ots_cmpe	\
-	ots_cvtxq ots_cvtqx ots_cvtqux ots_cvttx ots_cvtxt ots_nintxq
+	ots_cvtxq ots_cvtqx ots_cvtqux ots_cvttx ots_cvtxt ots_nintxq	\
+	fraiseexcpt
 endif
 
 ifeq ($(subdir),math)
diff --git a/sysdeps/alpha/soft-fp/ots_cvtxq.c b/sysdeps/alpha/soft-fp/ots_cvtxq.c
index 1eef9490c3..2447a381ac 100644
--- a/sysdeps/alpha/soft-fp/ots_cvtxq.c
+++ b/sysdeps/alpha/soft-fp/ots_cvtxq.c
@@ -35,9 +35,7 @@ _OtsCvtXQ (long al, long ah, long _round)
   FP_INIT_ROUNDMODE;
   FP_UNPACK_RAW_Q(A, a);
   FP_TO_INT_Q(r, A, 64, s);
-
-  if (s > 0 && (_fex &= FP_EX_INVALID))
-    FP_HANDLE_EXCEPTIONS;
+  FP_HANDLE_EXCEPTIONS;
 
   return r;
 }
diff --git a/sysdeps/alpha/soft-fp/sfp-machine.h b/sysdeps/alpha/soft-fp/sfp-machine.h
index e11a8dd7ca..bd78534163 100644
--- a/sysdeps/alpha/soft-fp/sfp-machine.h
+++ b/sysdeps/alpha/soft-fp/sfp-machine.h
@@ -86,13 +86,13 @@ do {								\
     }								\
 } while (0)
 
+/* We copy the libm function into libc for soft-fp.  */
+extern int __feraiseexcept (int __excepts) attribute_hidden;
+
 #define FP_HANDLE_EXCEPTIONS					\
 do {								\
   if (__builtin_expect (_fex, 0))				\
-    {								\
-      unsigned long t = __ieee_get_fp_control ();		\
-      __ieee_set_fp_control (t | _fex);				\
-    }								\
+    __feraiseexcept (_fex);					\
 } while (0)
 
 #define FP_TRAPPING_EXCEPTIONS					\