gcc/

	* config/rs6000/rs6000 (SAVE_INLINE_VRS, REST_INLINE_VRS,
	V_SAVE_INLINE, SAVRES_LR, SAVRES_SAVE, SAVRES_REG,
	SAVRES_GPR, SAVRES_FPR, SAVRES_VR): Define.
	(no_global_regs_above): Delete.
	(no_global_regs): New function.
	(rs6000_savres_strategy): Handle vector regs.  Use proper lr_save_p
	value for load multiple test.
	(savres_routine_syms): Increase size.
	(rs6000_savres_routine_name, rs6000_savres_routine_sym,
	ptr_regno_for_savres, rs6000_emit_savres_rtx): Pass in int selector
	rather than a number of boolean flags.  Update all callers.
	(rs6000_savres_routine_name): Generate vector save/restore names.
	(rs6000_savres_routine_sym): Handle vector regs.  Delete forward decl.
	(ptr_regno_for_savres, rs6000_emit_savres_rtx): Likewise.
	(rs6000_emit_prologue): Delete saving_FPRs_inline, saving_GPRs_inline
	and using_store_multiple.  Expand uses.  Don't always use r11 as
	frame reg when needed for out-of-line saves.  Set up initial offset
	for out-of-line vector saves when buying stack frame.  Handle pointer
	reg setup for out-of-line fp save.  Emit call to out-of-line vector
	save function.  Choose r11 or r12 for vrsave reg when available for
	better scheduling.
	(rs6000_output_function_prologue): Don't emit .extern for ELF.
	(rs6000_emit_epilogue): Choose a better frame reg when restoring
	from back-chain to suit out-of-line vector restore functions.  Emit
	call to out-of-line vector restore function.  Adjust register used
	for cr restore.  Tweak pointer register setup for gpr restore.
	* config/rs6000/rs6000.h (FIRST_SAVED_GP_REGNO): Take into account
	FIXED_R13.
	* config/rs6000/sysv4.h (FP_SAVE_INLINE, GP_SAVE_INLINE): Simplify.
	(V_SAVE_INLINE): Define.
	* config/rs6000/altivec.md (save_vregs_*, restore_vregs_*): New insns.
libgcc/
	* config/rs6000/crtsavevr.S: New file.
	* config/rs6000/crtrestvr.S: New file.
	* config/rs6000/t-savresfgpr: Build the above.
	* config/rs6000/t-netbsd: Likewise.



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@186800 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 88 insertions, 0 deletions

diff --git a/libgcc/config/rs6000/crtrestvr.S b/libgcc/config/rs6000/crtrestvr.S
new file mode 100644
index 00000000000..21c4ed08931
--- /dev/null
+++ b/libgcc/config/rs6000/crtrestvr.S
@@ -0,0 +1,88 @@
+/* Routines for restoring vector registers.
+
+   Copyright (C) 2012
+   Free Software Foundation, Inc.
+   Written by Alan Modra, IBM
+
+   This file 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 3, or (at your option) any
+   later version.
+
+   This file 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.
+
+   Under Section 7 of GPL version 3, you are granted additional
+   permissions described in the GCC Runtime Library Exception, version
+   3.1, as published by the Free Software Foundation.
+
+   You should have received a copy of the GNU General Public License and
+   a copy of the GCC Runtime Library Exception along with this program;
+   see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
+   <http://www.gnu.org/licenses/>.  */
+
+/* On PowerPC64 Linux, these functions are provided by the linker.  */
+#ifndef __powerpc64__
+
+#undef __ALTIVEC__
+#define __ALTIVEC__ 1
+	#include "ppc-asm.h"
+
+/* Called with r0 pointing just beyond the end of the vector save area.  */
+
+	.section ".text"
+CFI_STARTPROC
+HIDDEN_FUNC(_restvr_20)
+	li r11,-192
+	lvx v20,r11,r0
+HIDDEN_FUNC(_restvr_21)
+	li r11,-176
+	lvx v21,r11,r0
+HIDDEN_FUNC(_restvr_22)
+	li r11,-160
+	lvx v22,r11,r0
+HIDDEN_FUNC(_restvr_23)
+	li r11,-144
+	lvx v23,r11,r0
+HIDDEN_FUNC(_restvr_24)
+	li r11,-128
+	lvx v24,r11,r0
+HIDDEN_FUNC(_restvr_25)
+	li r11,-112
+	lvx v25,r11,r0
+HIDDEN_FUNC(_restvr_26)
+	li r11,-96
+	lvx v26,r11,r0
+HIDDEN_FUNC(_restvr_27)
+	li r11,-80
+	lvx v27,r11,r0
+HIDDEN_FUNC(_restvr_28)
+	li r11,-64
+	lvx v28,r11,r0
+HIDDEN_FUNC(_restvr_29)
+	li r11,-48
+	lvx v29,r11,r0
+HIDDEN_FUNC(_restvr_30)
+	li r11,-32
+	lvx v30,r11,r0
+HIDDEN_FUNC(_restvr_31)
+	li r11,-16
+	lvx v31,r11,r0
+	blr
+FUNC_END(_restvr_31)
+FUNC_END(_restvr_30)
+FUNC_END(_restvr_29)
+FUNC_END(_restvr_28)
+FUNC_END(_restvr_27)
+FUNC_END(_restvr_26)
+FUNC_END(_restvr_25)
+FUNC_END(_restvr_24)
+FUNC_END(_restvr_23)
+FUNC_END(_restvr_22)
+FUNC_END(_restvr_21)
+FUNC_END(_restvr_20)
+CFI_ENDPROC
+
+#endif