From 578618390583aa9c1e3dc70b87c1f7d19478e996 Mon Sep 17 00:00:00 2001 From: Geoff Keating Date: Thu, 6 Dec 2001 00:12:11 +0000 Subject: * sysdeps/powerpc/__longjmp.S: Don't restore FP registers. * sysdeps/powerpc/fpu/__longjmp.S: Do restore FP registers. * sysdeps/powerpc/setjmp.S: Don't save FP registers. * sysdeps/powerpc/fpu/setjmp.S: Do save FP registers. * sysdeps/powerpc/fclrexcpt.c: Move to... * sysdeps/powerpc/fpu/fclrexcpt.c: ... here. * sysdeps/powerpc/fpu_control.h: Move to... * sysdeps/powerpc/fpu/fpu_control.h: ... here. 2001-12-05 Geoff Keating * sysdeps/powerpc/__longjmp.S: Don't restore FP registers. * sysdeps/powerpc/fpu/__longjmp.S: Do restore FP registers. * sysdeps/powerpc/setjmp.S: Don't save FP registers. * sysdeps/powerpc/fpu/setjmp.S: Do save FP registers. * sysdeps/powerpc/fclrexcpt.c: Move to... * sysdeps/powerpc/fpu/fclrexcpt.c: ... here. * sysdeps/powerpc/fpu_control.h: Move to... * sysdeps/powerpc/fpu/fpu_control.h: ... here. --- ChangeLog | 11 ++++++ sysdeps/powerpc/__longjmp.S | 20 +---------- sysdeps/powerpc/fclrexcpt.c | 48 ------------------------- sysdeps/powerpc/fpu/__longjmp.S | 74 +++++++++++++++++++++++++++++++++++++++ sysdeps/powerpc/fpu/fclrexcpt.c | 48 +++++++++++++++++++++++++ sysdeps/powerpc/fpu/fpu_control.h | 67 +++++++++++++++++++++++++++++++++++ sysdeps/powerpc/fpu/setjmp.S | 73 ++++++++++++++++++++++++++++++++++++++ sysdeps/powerpc/fpu_control.h | 67 ----------------------------------- sysdeps/powerpc/setjmp.S | 20 +---------- 9 files changed, 275 insertions(+), 153 deletions(-) delete mode 100644 sysdeps/powerpc/fclrexcpt.c create mode 100644 sysdeps/powerpc/fpu/__longjmp.S create mode 100644 sysdeps/powerpc/fpu/fclrexcpt.c create mode 100644 sysdeps/powerpc/fpu/fpu_control.h create mode 100644 sysdeps/powerpc/fpu/setjmp.S delete mode 100644 sysdeps/powerpc/fpu_control.h diff --git a/ChangeLog b/ChangeLog index 0474c9b1a9..8ca95e79c1 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,14 @@ +2001-12-05 Geoff Keating + + * sysdeps/powerpc/__longjmp.S: Don't restore FP registers. + * sysdeps/powerpc/fpu/__longjmp.S: Do restore FP registers. + * sysdeps/powerpc/setjmp.S: Don't save FP registers. + * sysdeps/powerpc/fpu/setjmp.S: Do save FP registers. + * sysdeps/powerpc/fclrexcpt.c: Move to... + * sysdeps/powerpc/fpu/fclrexcpt.c: ... here. + * sysdeps/powerpc/fpu_control.h: Move to... + * sysdeps/powerpc/fpu/fpu_control.h: ... here. + 2001-12-05 Ulrich Drepper * iconvdata/ibm1129.h: Remove duplicate mappings. diff --git a/sysdeps/powerpc/__longjmp.S b/sysdeps/powerpc/__longjmp.S index 7b2dc26cb8..c9d2a2d02d 100644 --- a/sysdeps/powerpc/__longjmp.S +++ b/sysdeps/powerpc/__longjmp.S @@ -1,5 +1,5 @@ /* longjmp for PowerPC. - Copyright (C) 1995, 1996, 1997, 1999, 2000 Free Software Foundation, Inc. + Copyright (C) 1995, 1996, 1997, 1999, 2000, 2001 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -31,44 +31,26 @@ ENTRY (BP_SYM (__longjmp)) lwz r2,(JB_GPR2*4)(r3) lwz r0,(JB_LR*4)(r3) lwz r14,((JB_GPRS+0)*4)(r3) - lfd fp14,((JB_FPRS+0*2)*4)(r3) lwz r15,((JB_GPRS+1)*4)(r3) - lfd fp15,((JB_FPRS+1*2)*4)(r3) lwz r16,((JB_GPRS+2)*4)(r3) - lfd fp16,((JB_FPRS+2*2)*4)(r3) lwz r17,((JB_GPRS+3)*4)(r3) - lfd fp17,((JB_FPRS+3*2)*4)(r3) lwz r18,((JB_GPRS+4)*4)(r3) - lfd fp18,((JB_FPRS+4*2)*4)(r3) lwz r19,((JB_GPRS+5)*4)(r3) - lfd fp19,((JB_FPRS+5*2)*4)(r3) lwz r20,((JB_GPRS+6)*4)(r3) - lfd fp20,((JB_FPRS+6*2)*4)(r3) mtlr r0 lwz r21,((JB_GPRS+7)*4)(r3) - lfd fp21,((JB_FPRS+7*2)*4)(r3) lwz r22,((JB_GPRS+8)*4)(r3) - lfd fp22,((JB_FPRS+8*2)*4)(r3) lwz r0,(JB_CR*4)(r3) lwz r23,((JB_GPRS+9)*4)(r3) - lfd fp23,((JB_FPRS+9*2)*4)(r3) lwz r24,((JB_GPRS+10)*4)(r3) - lfd fp24,((JB_FPRS+10*2)*4)(r3) lwz r25,((JB_GPRS+11)*4)(r3) - lfd fp25,((JB_FPRS+11*2)*4)(r3) mtcrf 0xFF,r0 lwz r26,((JB_GPRS+12)*4)(r3) - lfd fp26,((JB_FPRS+12*2)*4)(r3) lwz r27,((JB_GPRS+13)*4)(r3) - lfd fp27,((JB_FPRS+13*2)*4)(r3) lwz r28,((JB_GPRS+14)*4)(r3) - lfd fp28,((JB_FPRS+14*2)*4)(r3) lwz r29,((JB_GPRS+15)*4)(r3) - lfd fp29,((JB_FPRS+15*2)*4)(r3) lwz r30,((JB_GPRS+16)*4)(r3) - lfd fp30,((JB_FPRS+16*2)*4)(r3) lwz r31,((JB_GPRS+17)*4)(r3) - lfd fp31,((JB_FPRS+17*2)*4)(r3) mr r3,r4 blr END (BP_SYM (__longjmp)) diff --git a/sysdeps/powerpc/fclrexcpt.c b/sysdeps/powerpc/fclrexcpt.c deleted file mode 100644 index d06e47143a..0000000000 --- a/sysdeps/powerpc/fclrexcpt.c +++ /dev/null @@ -1,48 +0,0 @@ -/* Clear given exceptions in current floating-point environment. - Copyright (C) 1997,99,2000,01 Free Software Foundation, Inc. - This file is part of the GNU C Library. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ - -#include - -#undef feclearexcept -int -__feclearexcept (int excepts) -{ - fenv_union_t u; - - /* Get the current state. */ - u.fenv = fegetenv_register (); - - /* Clear the relevant bits. */ - u.l[1] = u.l[1] & ~((-(excepts >> (31 - FPSCR_VX) & 1) & FE_ALL_INVALID) - | (excepts & FPSCR_STICKY_BITS)); - - /* Put the new state in effect. */ - fesetenv_register (u.fenv); - - /* Success. */ - return 0; -} - -#include -#if SHLIB_COMPAT (libm, GLIBC_2_1, GLIBC_2_2) -strong_alias (__feclearexcept, __old_feclearexcept) -compat_symbol (libm, __old_feclearexcept, feclearexcept, GLIBC_2_1); -#endif - -versioned_symbol (libm, __feclearexcept, feclearexcept, GLIBC_2_2); diff --git a/sysdeps/powerpc/fpu/__longjmp.S b/sysdeps/powerpc/fpu/__longjmp.S new file mode 100644 index 0000000000..7b2dc26cb8 --- /dev/null +++ b/sysdeps/powerpc/fpu/__longjmp.S @@ -0,0 +1,74 @@ +/* longjmp for PowerPC. + Copyright (C) 1995, 1996, 1997, 1999, 2000 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include +#define _ASM +#define _SETJMP_H +#include +#include +#include + +ENTRY (BP_SYM (__longjmp)) + CHECK_BOUNDS_BOTH_WIDE_LIT (r3, r8, r9, JB_SIZE) + + lwz r1,(JB_GPR1*4)(r3) + lwz r2,(JB_GPR2*4)(r3) + lwz r0,(JB_LR*4)(r3) + lwz r14,((JB_GPRS+0)*4)(r3) + lfd fp14,((JB_FPRS+0*2)*4)(r3) + lwz r15,((JB_GPRS+1)*4)(r3) + lfd fp15,((JB_FPRS+1*2)*4)(r3) + lwz r16,((JB_GPRS+2)*4)(r3) + lfd fp16,((JB_FPRS+2*2)*4)(r3) + lwz r17,((JB_GPRS+3)*4)(r3) + lfd fp17,((JB_FPRS+3*2)*4)(r3) + lwz r18,((JB_GPRS+4)*4)(r3) + lfd fp18,((JB_FPRS+4*2)*4)(r3) + lwz r19,((JB_GPRS+5)*4)(r3) + lfd fp19,((JB_FPRS+5*2)*4)(r3) + lwz r20,((JB_GPRS+6)*4)(r3) + lfd fp20,((JB_FPRS+6*2)*4)(r3) + mtlr r0 + lwz r21,((JB_GPRS+7)*4)(r3) + lfd fp21,((JB_FPRS+7*2)*4)(r3) + lwz r22,((JB_GPRS+8)*4)(r3) + lfd fp22,((JB_FPRS+8*2)*4)(r3) + lwz r0,(JB_CR*4)(r3) + lwz r23,((JB_GPRS+9)*4)(r3) + lfd fp23,((JB_FPRS+9*2)*4)(r3) + lwz r24,((JB_GPRS+10)*4)(r3) + lfd fp24,((JB_FPRS+10*2)*4)(r3) + lwz r25,((JB_GPRS+11)*4)(r3) + lfd fp25,((JB_FPRS+11*2)*4)(r3) + mtcrf 0xFF,r0 + lwz r26,((JB_GPRS+12)*4)(r3) + lfd fp26,((JB_FPRS+12*2)*4)(r3) + lwz r27,((JB_GPRS+13)*4)(r3) + lfd fp27,((JB_FPRS+13*2)*4)(r3) + lwz r28,((JB_GPRS+14)*4)(r3) + lfd fp28,((JB_FPRS+14*2)*4)(r3) + lwz r29,((JB_GPRS+15)*4)(r3) + lfd fp29,((JB_FPRS+15*2)*4)(r3) + lwz r30,((JB_GPRS+16)*4)(r3) + lfd fp30,((JB_FPRS+16*2)*4)(r3) + lwz r31,((JB_GPRS+17)*4)(r3) + lfd fp31,((JB_FPRS+17*2)*4)(r3) + mr r3,r4 + blr +END (BP_SYM (__longjmp)) diff --git a/sysdeps/powerpc/fpu/fclrexcpt.c b/sysdeps/powerpc/fpu/fclrexcpt.c new file mode 100644 index 0000000000..d06e47143a --- /dev/null +++ b/sysdeps/powerpc/fpu/fclrexcpt.c @@ -0,0 +1,48 @@ +/* Clear given exceptions in current floating-point environment. + Copyright (C) 1997,99,2000,01 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include + +#undef feclearexcept +int +__feclearexcept (int excepts) +{ + fenv_union_t u; + + /* Get the current state. */ + u.fenv = fegetenv_register (); + + /* Clear the relevant bits. */ + u.l[1] = u.l[1] & ~((-(excepts >> (31 - FPSCR_VX) & 1) & FE_ALL_INVALID) + | (excepts & FPSCR_STICKY_BITS)); + + /* Put the new state in effect. */ + fesetenv_register (u.fenv); + + /* Success. */ + return 0; +} + +#include +#if SHLIB_COMPAT (libm, GLIBC_2_1, GLIBC_2_2) +strong_alias (__feclearexcept, __old_feclearexcept) +compat_symbol (libm, __old_feclearexcept, feclearexcept, GLIBC_2_1); +#endif + +versioned_symbol (libm, __feclearexcept, feclearexcept, GLIBC_2_2); diff --git a/sysdeps/powerpc/fpu/fpu_control.h b/sysdeps/powerpc/fpu/fpu_control.h new file mode 100644 index 0000000000..7b58b7bc91 --- /dev/null +++ b/sysdeps/powerpc/fpu/fpu_control.h @@ -0,0 +1,67 @@ +/* FPU control word definitions. PowerPC version. + Copyright (C) 1996, 1997, 1998 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#ifndef _FPU_CONTROL_H +#define _FPU_CONTROL_H + +/* rounding control */ +#define _FPU_RC_NEAREST 0x00 /* RECOMMENDED */ +#define _FPU_RC_DOWN 0x03 +#define _FPU_RC_UP 0x02 +#define _FPU_RC_ZERO 0x01 + +#define _FPU_MASK_NI 0x04 /* non-ieee mode */ + +/* masking of interrupts */ +#define _FPU_MASK_ZM 0x10 /* zero divide */ +#define _FPU_MASK_OM 0x40 /* overflow */ +#define _FPU_MASK_UM 0x20 /* underflow */ +#define _FPU_MASK_XM 0x08 /* inexact */ +#define _FPU_MASK_IM 0x80 /* invalid operation */ + +#define _FPU_RESERVED 0xffffff00 /* These bits are reserved are not changed. */ + +/* The fdlibm code requires no interrupts for exceptions. */ +#define _FPU_DEFAULT 0x00000000 /* Default value. */ + +/* IEEE: same as above, but (some) exceptions; + we leave the 'inexact' exception off. + */ +#define _FPU_IEEE 0x000000f0 + +/* Type of the control word. */ +typedef unsigned int fpu_control_t __attribute__ ((__mode__ (__SI__))); + +/* Macros for accessing the hardware control word. */ +#define _FPU_GETCW(cw) ( { \ + union { double d; fpu_control_t cw[2]; } tmp __attribute__ ((__aligned__(8))); \ + __asm__ ("mffs 0; stfd%U0 0,%0" : "=m" (tmp.d) : : "fr0"); \ + (cw)=tmp.cw[1]; \ + tmp.cw[1]; } ) +#define _FPU_SETCW(cw) { \ + union { double d; fpu_control_t cw[2]; } tmp __attribute__ ((__aligned__(8))); \ + tmp.cw[0] = 0xFFF80000; /* More-or-less arbitrary; this is a QNaN. */ \ + tmp.cw[1] = cw; \ + __asm__ ("lfd%U0 0,%0; mtfsf 255,0" : : "m" (tmp.d) : "fr0"); \ +} + +/* Default control word set at startup. */ +extern fpu_control_t __fpu_control; + +#endif /* _FPU_CONTROL_H */ diff --git a/sysdeps/powerpc/fpu/setjmp.S b/sysdeps/powerpc/fpu/setjmp.S new file mode 100644 index 0000000000..b6c63663f4 --- /dev/null +++ b/sysdeps/powerpc/fpu/setjmp.S @@ -0,0 +1,73 @@ +/* setjmp for PowerPC. + Copyright (C) 1995, 1996, 1997, 1999, 2000 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include +#define _ASM +#define _SETJMP_H +#include +#include +#include + +ENTRY (BP_SYM (__sigsetjmp)) + CHECK_BOUNDS_BOTH_WIDE_LIT (r3, r8, r9, JB_SIZE) + + stw r1,(JB_GPR1*4)(3) + mflr r0 + stw r2,(JB_GPR2*4)(3) + stw r14,((JB_GPRS+0)*4)(3) + stfd fp14,((JB_FPRS+0*2)*4)(3) + stw r0,(JB_LR*4)(3) + stw r15,((JB_GPRS+1)*4)(3) + stfd fp15,((JB_FPRS+1*2)*4)(3) + mfcr r0 + stw r16,((JB_GPRS+2)*4)(3) + stfd fp16,((JB_FPRS+2*2)*4)(3) + stw r0,(JB_CR*4)(3) + stw r17,((JB_GPRS+3)*4)(3) + stfd fp17,((JB_FPRS+3*2)*4)(3) + stw r18,((JB_GPRS+4)*4)(3) + stfd fp18,((JB_FPRS+4*2)*4)(3) + stw r19,((JB_GPRS+5)*4)(3) + stfd fp19,((JB_FPRS+5*2)*4)(3) + stw r20,((JB_GPRS+6)*4)(3) + stfd fp20,((JB_FPRS+6*2)*4)(3) + stw r21,((JB_GPRS+7)*4)(3) + stfd fp21,((JB_FPRS+7*2)*4)(3) + stw r22,((JB_GPRS+8)*4)(3) + stfd fp22,((JB_FPRS+8*2)*4)(3) + stw r23,((JB_GPRS+9)*4)(3) + stfd fp23,((JB_FPRS+9*2)*4)(3) + stw r24,((JB_GPRS+10)*4)(3) + stfd fp24,((JB_FPRS+10*2)*4)(3) + stw r25,((JB_GPRS+11)*4)(3) + stfd fp25,((JB_FPRS+11*2)*4)(3) + stw r26,((JB_GPRS+12)*4)(3) + stfd fp26,((JB_FPRS+12*2)*4)(3) + stw r27,((JB_GPRS+13)*4)(3) + stfd fp27,((JB_FPRS+13*2)*4)(3) + stw r28,((JB_GPRS+14)*4)(3) + stfd fp28,((JB_FPRS+14*2)*4)(3) + stw r29,((JB_GPRS+15)*4)(3) + stfd fp29,((JB_FPRS+15*2)*4)(3) + stw r30,((JB_GPRS+16)*4)(3) + stfd fp30,((JB_FPRS+16*2)*4)(3) + stw r31,((JB_GPRS+17)*4)(3) + stfd fp31,((JB_FPRS+17*2)*4)(3) + b JUMPTARGET (BP_SYM (__sigjmp_save)) +END (BP_SYM (__sigsetjmp)) diff --git a/sysdeps/powerpc/fpu_control.h b/sysdeps/powerpc/fpu_control.h deleted file mode 100644 index 7b58b7bc91..0000000000 --- a/sysdeps/powerpc/fpu_control.h +++ /dev/null @@ -1,67 +0,0 @@ -/* FPU control word definitions. PowerPC version. - Copyright (C) 1996, 1997, 1998 Free Software Foundation, Inc. - This file is part of the GNU C Library. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ - -#ifndef _FPU_CONTROL_H -#define _FPU_CONTROL_H - -/* rounding control */ -#define _FPU_RC_NEAREST 0x00 /* RECOMMENDED */ -#define _FPU_RC_DOWN 0x03 -#define _FPU_RC_UP 0x02 -#define _FPU_RC_ZERO 0x01 - -#define _FPU_MASK_NI 0x04 /* non-ieee mode */ - -/* masking of interrupts */ -#define _FPU_MASK_ZM 0x10 /* zero divide */ -#define _FPU_MASK_OM 0x40 /* overflow */ -#define _FPU_MASK_UM 0x20 /* underflow */ -#define _FPU_MASK_XM 0x08 /* inexact */ -#define _FPU_MASK_IM 0x80 /* invalid operation */ - -#define _FPU_RESERVED 0xffffff00 /* These bits are reserved are not changed. */ - -/* The fdlibm code requires no interrupts for exceptions. */ -#define _FPU_DEFAULT 0x00000000 /* Default value. */ - -/* IEEE: same as above, but (some) exceptions; - we leave the 'inexact' exception off. - */ -#define _FPU_IEEE 0x000000f0 - -/* Type of the control word. */ -typedef unsigned int fpu_control_t __attribute__ ((__mode__ (__SI__))); - -/* Macros for accessing the hardware control word. */ -#define _FPU_GETCW(cw) ( { \ - union { double d; fpu_control_t cw[2]; } tmp __attribute__ ((__aligned__(8))); \ - __asm__ ("mffs 0; stfd%U0 0,%0" : "=m" (tmp.d) : : "fr0"); \ - (cw)=tmp.cw[1]; \ - tmp.cw[1]; } ) -#define _FPU_SETCW(cw) { \ - union { double d; fpu_control_t cw[2]; } tmp __attribute__ ((__aligned__(8))); \ - tmp.cw[0] = 0xFFF80000; /* More-or-less arbitrary; this is a QNaN. */ \ - tmp.cw[1] = cw; \ - __asm__ ("lfd%U0 0,%0; mtfsf 255,0" : : "m" (tmp.d) : "fr0"); \ -} - -/* Default control word set at startup. */ -extern fpu_control_t __fpu_control; - -#endif /* _FPU_CONTROL_H */ diff --git a/sysdeps/powerpc/setjmp.S b/sysdeps/powerpc/setjmp.S index b6c63663f4..47dc693e49 100644 --- a/sysdeps/powerpc/setjmp.S +++ b/sysdeps/powerpc/setjmp.S @@ -1,5 +1,5 @@ /* setjmp for PowerPC. - Copyright (C) 1995, 1996, 1997, 1999, 2000 Free Software Foundation, Inc. + Copyright (C) 1995, 1996, 1997, 1999, 2000, 2001 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -31,43 +31,25 @@ ENTRY (BP_SYM (__sigsetjmp)) mflr r0 stw r2,(JB_GPR2*4)(3) stw r14,((JB_GPRS+0)*4)(3) - stfd fp14,((JB_FPRS+0*2)*4)(3) stw r0,(JB_LR*4)(3) stw r15,((JB_GPRS+1)*4)(3) - stfd fp15,((JB_FPRS+1*2)*4)(3) mfcr r0 stw r16,((JB_GPRS+2)*4)(3) - stfd fp16,((JB_FPRS+2*2)*4)(3) stw r0,(JB_CR*4)(3) stw r17,((JB_GPRS+3)*4)(3) - stfd fp17,((JB_FPRS+3*2)*4)(3) stw r18,((JB_GPRS+4)*4)(3) - stfd fp18,((JB_FPRS+4*2)*4)(3) stw r19,((JB_GPRS+5)*4)(3) - stfd fp19,((JB_FPRS+5*2)*4)(3) stw r20,((JB_GPRS+6)*4)(3) - stfd fp20,((JB_FPRS+6*2)*4)(3) stw r21,((JB_GPRS+7)*4)(3) - stfd fp21,((JB_FPRS+7*2)*4)(3) stw r22,((JB_GPRS+8)*4)(3) - stfd fp22,((JB_FPRS+8*2)*4)(3) stw r23,((JB_GPRS+9)*4)(3) - stfd fp23,((JB_FPRS+9*2)*4)(3) stw r24,((JB_GPRS+10)*4)(3) - stfd fp24,((JB_FPRS+10*2)*4)(3) stw r25,((JB_GPRS+11)*4)(3) - stfd fp25,((JB_FPRS+11*2)*4)(3) stw r26,((JB_GPRS+12)*4)(3) - stfd fp26,((JB_FPRS+12*2)*4)(3) stw r27,((JB_GPRS+13)*4)(3) - stfd fp27,((JB_FPRS+13*2)*4)(3) stw r28,((JB_GPRS+14)*4)(3) - stfd fp28,((JB_FPRS+14*2)*4)(3) stw r29,((JB_GPRS+15)*4)(3) - stfd fp29,((JB_FPRS+15*2)*4)(3) stw r30,((JB_GPRS+16)*4)(3) - stfd fp30,((JB_FPRS+16*2)*4)(3) stw r31,((JB_GPRS+17)*4)(3) - stfd fp31,((JB_FPRS+17*2)*4)(3) b JUMPTARGET (BP_SYM (__sigjmp_save)) END (BP_SYM (__sigsetjmp)) -- cgit v1.2.3