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Adapt installed powerpc headers better for soft-float / no-FPRs.
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Joseph Myers
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20
ChangeLog
20
ChangeLog
@ -1,3 +1,23 @@
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2013-01-17 Joseph Myers <joseph@codesourcery.com>
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* sysdeps/powerpc/bits/mathdef.h [_SOFT_FLOAT || __NO_FPRS__]
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(FP_FAST_FMA): Do not define.
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[_SOFT_FLOAT || __NO_FPRS__] (FP_FAST_FMAF): Likewise.
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* sysdeps/powerpc/fpu/bits/fenvinline.h [__GNUC__ && !_SOFT_FLOAT
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&& !__NO_MATH_INLINES]: Add [!__NO_FPRS__] condition.
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* sysdeps/powerpc/fpu/bits/mathinline.h [__GNUC__ &&
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!_SOFT_FLOAT]: Likewise.
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* sysdeps/powerpc/fpu/fpu_control.h [_SOFT_FLOAT || __NO_FPRS__]
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[_SOFT_FLOAT || __NO_FPRS__] (_FPU_RESERVED): Define with generic
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value.
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[_SOFT_FLOAT || __NO_FPRS__] (_FPU_DEFAULT): Likewise.
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[_SOFT_FLOAT || __NO_FPRS__] (fpu_control_t): Likewise.
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[_SOFT_FLOAT || __NO_FPRS__] (_FPU_GETCW): Likewise.
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[_SOFT_FLOAT || __NO_FPRS__] (_FPU_SETCW): Likewise.
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[_SOFT_FLOAT || __NO_FPRS__] (__fpu_control): Likewise.
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[!_SOFT_FLOAT && !__NO_FPRS__]: Condition previous contents of
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file.
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2013-01-16 Andreas Schwab <schwab@suse.de>
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[BZ #14327]
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@ -37,8 +37,10 @@ typedef double double_t;
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# define FP_ILOGB0 (-2147483647)
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# define FP_ILOGBNAN (2147483647)
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# if !defined _SOFT_FLOAT && !defined __NO_FPRS__
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/* The powerpc has a combined multiply/add instruction. */
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# define FP_FAST_FMA 1
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# define FP_FAST_FMAF 1
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# define FP_FAST_FMA 1
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# define FP_FAST_FMAF 1
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# endif
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#endif /* ISO C99 */
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@ -16,7 +16,8 @@
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#if defined __GNUC__ && !defined _SOFT_FLOAT && !defined __NO_MATH_INLINES
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#if (defined __GNUC__ && !defined _SOFT_FLOAT && !defined __NO_FPRS__ \
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&& !defined __NO_MATH_INLINES)
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/* Inline definition for fegetround. */
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# define fegetround() \
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@ -56,4 +57,4 @@
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: 0) \
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: (feclearexcept) (__excepts))
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#endif /* __GNUC__ && !_SOFT_FLOAT */
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#endif /* __GNUC__ && !_SOFT_FLOAT && !__NO_FPRS__ */
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@ -26,7 +26,7 @@
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# define __MATH_INLINE __extern_inline
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#endif /* __cplusplus */
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#if defined __GNUC__ && !defined _SOFT_FLOAT
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#if defined __GNUC__ && !defined _SOFT_FLOAT && !defined __NO_FPRS__
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#ifdef __USE_ISOC99
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# if !__GNUC_PREREQ (2,97)
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@ -127,4 +127,4 @@ __NTH (fdimf (float __x, float __y))
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#endif /* __USE_ISOC99 */
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#endif /* !__NO_MATH_INLINES && __OPTIMIZE__ */
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#endif /* __GNUC__ && !_SOFT_FLOAT */
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#endif /* __GNUC__ && !_SOFT_FLOAT && !__NO_FPRS__ */
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@ -19,42 +19,53 @@
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#ifndef _FPU_CONTROL_H
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#define _FPU_CONTROL_H
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/* rounding control */
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#define _FPU_RC_NEAREST 0x00 /* RECOMMENDED */
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#define _FPU_RC_DOWN 0x03
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#define _FPU_RC_UP 0x02
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#define _FPU_RC_ZERO 0x01
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#if defined _SOFT_FLOAT || defined __NO_FPRS__
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#define _FPU_MASK_NI 0x04 /* non-ieee mode */
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# define _FPU_RESERVED 0xffffffff
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# define _FPU_DEFAULT 0x00000000 /* Default value. */
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typedef unsigned int fpu_control_t;
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# define _FPU_GETCW(cw) (cw) = 0
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# define _FPU_SETCW(cw) (void) (cw)
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extern fpu_control_t __fpu_control;
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#else /* PowerPC 6xx floating-point. */
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/* rounding control */
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# define _FPU_RC_NEAREST 0x00 /* RECOMMENDED */
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# define _FPU_RC_DOWN 0x03
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# define _FPU_RC_UP 0x02
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# define _FPU_RC_ZERO 0x01
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# define _FPU_MASK_NI 0x04 /* non-ieee mode */
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/* masking of interrupts */
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#define _FPU_MASK_ZM 0x10 /* zero divide */
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#define _FPU_MASK_OM 0x40 /* overflow */
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#define _FPU_MASK_UM 0x20 /* underflow */
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#define _FPU_MASK_XM 0x08 /* inexact */
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#define _FPU_MASK_IM 0x80 /* invalid operation */
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# define _FPU_MASK_ZM 0x10 /* zero divide */
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# define _FPU_MASK_OM 0x40 /* overflow */
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# define _FPU_MASK_UM 0x20 /* underflow */
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# define _FPU_MASK_XM 0x08 /* inexact */
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# define _FPU_MASK_IM 0x80 /* invalid operation */
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#define _FPU_RESERVED 0xffffff00 /* These bits are reserved are not changed. */
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# define _FPU_RESERVED 0xffffff00 /* These bits are reserved are not changed. */
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/* The fdlibm code requires no interrupts for exceptions. */
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#define _FPU_DEFAULT 0x00000000 /* Default value. */
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# define _FPU_DEFAULT 0x00000000 /* Default value. */
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/* IEEE: same as above, but (some) exceptions;
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we leave the 'inexact' exception off.
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*/
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#define _FPU_IEEE 0x000000f0
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# define _FPU_IEEE 0x000000f0
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/* Type of the control word. */
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typedef unsigned int fpu_control_t __attribute__ ((__mode__ (__SI__)));
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/* Macros for accessing the hardware control word. */
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#define _FPU_GETCW(__cw) ( { \
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# define _FPU_GETCW(__cw) ( { \
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union { double d; fpu_control_t cw[2]; } \
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tmp __attribute__ ((__aligned__(8))); \
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__asm__ ("mffs 0; stfd%U0 0,%0" : "=m" (tmp.d) : : "fr0"); \
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(__cw)=tmp.cw[1]; \
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tmp.cw[1]; } )
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#define _FPU_SETCW(__cw) { \
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# define _FPU_SETCW(__cw) { \
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union { double d; fpu_control_t cw[2]; } \
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tmp __attribute__ ((__aligned__(8))); \
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tmp.cw[0] = 0xFFF80000; /* More-or-less arbitrary; this is a QNaN. */ \
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@ -65,4 +76,6 @@ typedef unsigned int fpu_control_t __attribute__ ((__mode__ (__SI__)));
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/* Default control word set at startup. */
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extern fpu_control_t __fpu_control;
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#endif /* PowerPC 6xx floating-point. */
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#endif /* _FPU_CONTROL_H */
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