[src/trunk]: src/sys/arch/powerpc/include the FP_* exception constants need t...

[chs <chs%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/1ccc2dc93f4f
branches:  trunk
changeset: 351788:1ccc2dc93f4f
user:      chs <chs%NetBSD.org@localhost>
date:      Mon Feb 27 06:51:46 2017 +0000

description:
the FP_* exception constants need to be different from the new FE_* constants
to preserve the ABI, so shift them as needed when using them.

diffstat:

 sys/arch/powerpc/include/ieeefp.h |  16 ++++++++++------
 1 files changed, 10 insertions(+), 6 deletions(-)

diffs (30 lines):

diff -r dc1dd8712e21 -r 1ccc2dc93f4f sys/arch/powerpc/include/ieeefp.h
--- a/sys/arch/powerpc/include/ieeefp.h Mon Feb 27 06:50:15 2017 +0000
+++ b/sys/arch/powerpc/include/ieeefp.h Mon Feb 27 06:51:46 2017 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: ieeefp.h,v 1.5 2015/12/25 06:02:10 christos Exp $      */
+/*     $NetBSD: ieeefp.h,v 1.6 2017/02/27 06:51:46 chs Exp $   */
 
 /* 
  * Written by J.T. Conklin, Apr 6, 1995
@@ -17,11 +17,15 @@
 #if !defined(_ISOC99_SOURCE)
 
 typedef int fp_except;
-#define FP_X_IMP       FE_INEXACT      /* imprecise (loss of precision) */
-#define FP_X_DZ                FE_DIVBYZERO    /* divide-by-zero exception */
-#define FP_X_UFL       FE_UNDERFLOW    /* underflow exception */
-#define FP_X_OFL       FE_OVERFLOW     /* overflow exception */
-#define FP_X_INV       FE_INVALID      /* invalid operation exception */
+
+/* adjust for FP_* and FE_* value differences */ 
+#define        __FPE(x) ((x) >> 25)
+
+#define FP_X_IMP       __FPE(FE_INEXACT)       /* imprecise (loss of precision) */
+#define FP_X_DZ                __FPE(FE_DIVBYZERO)     /* divide-by-zero exception */
+#define FP_X_UFL       __FPE(FE_UNDERFLOW)     /* underflow exception */
+#define FP_X_OFL       __FPE(FE_OVERFLOW)      /* overflow exception */
+#define FP_X_INV       __FPE(FE_INVALID)       /* invalid operation exception */
 
 typedef enum {
     FP_RN=FE_TONEAREST,                /* round to nearest representable number */