diff options
Diffstat (limited to 'gcc/config/i860/varargs.asm')
| -rw-r--r-- | gcc/config/i860/varargs.asm | 201 |
1 files changed, 0 insertions, 201 deletions
diff --git a/gcc/config/i860/varargs.asm b/gcc/config/i860/varargs.asm deleted file mode 100644 index 8f870063c41..00000000000 --- a/gcc/config/i860/varargs.asm +++ /dev/null @@ -1,201 +0,0 @@ -/* Special varargs support for i860. - Copyright (C) 2001 Free Software Foundation, Inc. - -This file is part of GNU CC. - -GNU CC is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 2, or (at your option) -any later version. - -In addition to the permissions in the GNU General Public License, the -Free Software Foundation gives you unlimited permission to link the -compiled version of this file into combinations with other programs, -and to distribute those combinations without any restriction coming -from the use of this file. (The General Public License restrictions -do apply in other respects; for example, they cover modification of -the file, and distribution when not linked into a combine -executable.) - -GNU CC 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 General Public License for more details. - -You should have received a copy of the GNU General Public License -along with GNU CC; see the file COPYING. If not, write to -the Free Software Foundation, 59 Temple Place - Suite 330, -Boston, MA 02111-1307, USA. */ - -#if defined(__svr4__) || defined(__alliant__) - .text - .align 4 - -/* The Alliant needs the added underscore. */ - .globl __builtin_saveregs -__builtin_saveregs: - .globl ___builtin_saveregs -___builtin_saveregs: - - andnot 0x0f,%sp,%sp /* round down to 16-byte boundary */ - adds -96,%sp,%sp /* allocate stack space for reg save - area and also for a new va_list - structure */ - /* Save all argument registers in the arg reg save area. The - arg reg save area must have the following layout (according - to the svr4 ABI): - - struct { - union { - float freg[8]; - double dreg[4]; - } float_regs; - long ireg[12]; - }; - */ - - fst.q %f8, 0(%sp) /* save floating regs (f8-f15) */ - fst.q %f12,16(%sp) - - st.l %r16,32(%sp) /* save integer regs (r16-r27) */ - st.l %r17,36(%sp) - st.l %r18,40(%sp) - st.l %r19,44(%sp) - st.l %r20,48(%sp) - st.l %r21,52(%sp) - st.l %r22,56(%sp) - st.l %r23,60(%sp) - st.l %r24,64(%sp) - st.l %r25,68(%sp) - st.l %r26,72(%sp) - st.l %r27,76(%sp) - - adds 80,%sp,%r16 /* compute the address of the new - va_list structure. Put in into - r16 so that it will be returned - to the caller. */ - - /* Initialize all fields of the new va_list structure. This - structure looks like: - - typedef struct { - unsigned long ireg_used; - unsigned long freg_used; - long *reg_base; - long *mem_ptr; - } va_list; - */ - - st.l %r0, 0(%r16) /* nfixed */ - st.l %r0, 4(%r16) /* nfloating */ - st.l %sp, 8(%r16) /* __va_ctl points to __va_struct. */ - bri %r1 /* delayed return */ - st.l %r28,12(%r16) /* pointer to overflow args */ - -#else /* not __svr4__ */ -#if defined(__PARAGON__) - /* - * we'll use SVR4-ish varargs but need SVR3.2 assembler syntax, - * and we stand a better chance of hooking into libraries - * compiled by PGI. [andyp@ssd.intel.com] - */ - .text - .align 4 - .globl __builtin_saveregs -__builtin_saveregs: - .globl ___builtin_saveregs -___builtin_saveregs: - - andnot 0x0f,sp,sp /* round down to 16-byte boundary */ - adds -96,sp,sp /* allocate stack space for reg save - area and also for a new va_list - structure */ - /* Save all argument registers in the arg reg save area. The - arg reg save area must have the following layout (according - to the svr4 ABI): - - struct { - union { - float freg[8]; - double dreg[4]; - } float_regs; - long ireg[12]; - }; - */ - - fst.q f8, 0(sp) - fst.q f12,16(sp) - st.l r16,32(sp) - st.l r17,36(sp) - st.l r18,40(sp) - st.l r19,44(sp) - st.l r20,48(sp) - st.l r21,52(sp) - st.l r22,56(sp) - st.l r23,60(sp) - st.l r24,64(sp) - st.l r25,68(sp) - st.l r26,72(sp) - st.l r27,76(sp) - - adds 80,sp,r16 /* compute the address of the new - va_list structure. Put in into - r16 so that it will be returned - to the caller. */ - - /* Initialize all fields of the new va_list structure. This - structure looks like: - - typedef struct { - unsigned long ireg_used; - unsigned long freg_used; - long *reg_base; - long *mem_ptr; - } va_list; - */ - - st.l r0, 0(r16) /* nfixed */ - st.l r0, 4(r16) /* nfloating */ - st.l sp, 8(r16) /* __va_ctl points to __va_struct. */ - bri r1 /* delayed return */ - st.l r28,12(r16) /* pointer to overflow args */ -#else /* not __PARAGON__ */ - .text - .align 4 - - .globl ___builtin_saveregs -___builtin_saveregs: - mov sp,r30 - andnot 0x0f,sp,sp - adds -96,sp,sp /* allocate sufficient space on the stack */ - -/* Fill in the __va_struct. */ - st.l r16, 0(sp) /* save integer regs (r16-r27) */ - st.l r17, 4(sp) /* int fixed[12] */ - st.l r18, 8(sp) - st.l r19,12(sp) - st.l r20,16(sp) - st.l r21,20(sp) - st.l r22,24(sp) - st.l r23,28(sp) - st.l r24,32(sp) - st.l r25,36(sp) - st.l r26,40(sp) - st.l r27,44(sp) - - fst.q f8, 48(sp) /* save floating regs (f8-f15) */ - fst.q f12,64(sp) /* int floating[8] */ - -/* Fill in the __va_ctl. */ - st.l sp, 80(sp) /* __va_ctl points to __va_struct. */ - st.l r28,84(sp) /* pointer to more args */ - st.l r0, 88(sp) /* nfixed */ - st.l r0, 92(sp) /* nfloating */ - - adds 80,sp,r16 /* return address of the __va_ctl. */ - bri r1 - mov r30,sp - /* recover stack and pass address to start - of data. */ -#endif /* not __PARAGON__ */ -#endif /* not __svr4__ */ |