[PATCH] Allow -msoft-float -mlong-double-128 without a warning
Jakub Jelinek
jakub@redhat.com
Wed Feb 1 21:20:00 GMT 2006
On Wed, Feb 01, 2006 at 02:30:00PM -0500, David Edelsohn wrote:
> I would prefer retaining the warning if -mlong-double-128
> explicitly is used, but I don't mind removing the implicit long double
> type size reset. PPC Glibc does not provide TFmode soft-float helper
> routines. If something is not supported, I am very uncomfortable about
> silently failing.
Here is an updated patch.
Ok for trunk?
2006-02-01 Jakub Jelinek <jakub@redhat.com>
* config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
-msoft-float -mlong-double-128 only issue a warning, but don't
swich to DFmode long double.
--- gcc/config/rs6000/sysv4.h.jj 2006-01-27 20:57:53.000000000 +0100
+++ gcc/config/rs6000/sysv4.h 2006-02-01 22:15:24.000000000 +0100
@@ -215,12 +215,9 @@ do { \
error ("-msecure-plt not supported by your assembler"); \
} \
\
- if (TARGET_SOFT_FLOAT && TARGET_LONG_DOUBLE_128) \
- { \
- rs6000_long_double_type_size = 64; \
- if (rs6000_explicit_options.long_double) \
- warning (0, "soft-float and long-double-128 are incompatible"); \
- } \
+ if (TARGET_SOFT_FLOAT && TARGET_LONG_DOUBLE_128 \
+ && rs6000_explicit_options.long_double) \
+ warning (0, "-msoft-float and -mlong-double-128 not supported"); \
\
/* Treat -fPIC the same as -mrelocatable. */ \
if (flag_pic > 1 && DEFAULT_ABI != ABI_AIX) \
Jakub
More information about the Gcc-patches
mailing list