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libgcc: Enable XF mode conversions to/from DFP modes only if supported 

Some targets do not support XF mode (eg AArch64), so don't build the
corresponding to/from DFP modes convertion routines if
__LIBGCC_HAS_XF_MODE__ is not defined.

2022-03-31  Christophe Lyon  <christophe.lyon@arm.com>

	libgcc/config/libbid/
	* _dd_to_xf.c: Check __LIBGCC_HAS_XF_MODE__.
	* _sd_to_xf.c: Likewise.
	* _td_to_xf.c: Likewise.
	* _xf_to_dd.c: Likewise.
	* _xf_to_sd.c: Likewise.
	* _xf_to_td.c: Likewise.
This commit is contained in:
Christophe Lyon 2022-03-23 15:26:14 +00:00
parent 0dc8e1e702
commit 43ccb7e445
6 changed files with 12 additions and 0 deletions
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2
libgcc/config/libbid/_dd_to_xf.c
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@ -25,6 +25,7 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
#include "bid_functions.h"
#include "bid_gcc_intrinsics.h"
#ifdef __LIBGCC_HAS_XF_MODE__
XFtype
__bid_extendddxf (_Decimal64 x) {
XFtype res;
@ -34,3 +35,4 @@ __bid_extendddxf (_Decimal64 x) {
res = __bid64_to_binary80 (ux.i);
return (res);
}
#endif

2
libgcc/config/libbid/_sd_to_xf.c
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@ -25,6 +25,7 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
#include "bid_functions.h"
#include "bid_gcc_intrinsics.h"
#ifdef __LIBGCC_HAS_XF_MODE__
XFtype
__bid_extendsdxf (_Decimal32 x) {
XFtype res;
@ -34,3 +35,4 @@ __bid_extendsdxf (_Decimal32 x) {
res = __bid32_to_binary80 (ux.i);
return (res);
}
#endif

2
libgcc/config/libbid/_td_to_xf.c
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@ -25,6 +25,7 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
#include "bid_functions.h"
#include "bid_gcc_intrinsics.h"
#ifdef __LIBGCC_HAS_XF_MODE__
XFtype
__bid_trunctdxf (_Decimal128 x) {
XFtype res;
@ -34,3 +35,4 @@ __bid_trunctdxf (_Decimal128 x) {
res = __bid128_to_binary80 (ux.i);
return (res);
}
#endif

2
libgcc/config/libbid/_xf_to_dd.c
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@ -25,9 +25,11 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
#include "bid_functions.h"
#include "bid_gcc_intrinsics.h"
#ifdef __LIBGCC_HAS_XF_MODE__
_Decimal64
__bid_truncxfdd (XFtype x) {
union decimal64 res;
res.i = __binary80_to_bid64 (x);
return (res.d);
}
#endif

2
libgcc/config/libbid/_xf_to_sd.c
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@ -25,9 +25,11 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
#include "bid_functions.h"
#include "bid_gcc_intrinsics.h"
#ifdef __LIBGCC_HAS_XF_MODE__
_Decimal32
__bid_truncxfsd (XFtype x) {
union decimal32 res;
res.i = __binary80_to_bid32 (x);
return (res.d);
}
#endif

2
libgcc/config/libbid/_xf_to_td.c
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@ -25,9 +25,11 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
#include "bid_functions.h"
#include "bid_gcc_intrinsics.h"
#ifdef __LIBGCC_HAS_XF_MODE__
_Decimal128
__bid_extendxftd (XFtype x) {
union decimal128 res;
res.i = __binary80_to_bid128 (x);
return (res.d);
}
#endif