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+/* Definitions of target machine for GNU compiler,
+ for PowerPC e500 machines running GNU/Linux.
+ Copyright (C) 2003 Free Software Foundation, Inc.
+ Contributed by Aldy Hernandez (aldy@quesejoda.com).
+
+ This file is part of GCC.
+
+ GCC 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.
+
+ GCC 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 GCC; see the file COPYING. If not, write to the
+ Free Software Foundation, 59 Temple Place - Suite 330, Boston,
+ MA 02111-1307, USA. */
+
+#undef TARGET_VERSION
+#define TARGET_VERSION fprintf (stderr, " (PowerPC E500 GNU/Linux)");
+
+/* Override rs6000.h and sysv4.h definition. */
+#undef TARGET_DEFAULT
+#define TARGET_DEFAULT (MASK_POWERPC | MASK_NEW_MNEMONICS)
+
+#undef TARGET_SPE_ABI
+#undef TARGET_SPE
+#undef TARGET_E500
+#undef TARGET_ISEL
+#undef TARGET_FPRS
+
+#define TARGET_SPE_ABI rs6000_spe_abi
+#define TARGET_SPE rs6000_spe
+#define TARGET_E500 (rs6000_cpu == PROCESSOR_PPC8540)
+#define TARGET_ISEL rs6000_isel
+#define TARGET_FPRS (!rs6000_float_gprs)
+
+#undef SUBSUBTARGET_OVERRIDE_OPTIONS
+#define SUBSUBTARGET_OVERRIDE_OPTIONS \
+ if (rs6000_select[1].string == NULL) \
+ rs6000_cpu = PROCESSOR_PPC8540; \
+ if (rs6000_abi_string == NULL || strstr (rs6000_abi_string, "spe") == NULL) \
+ rs6000_spe_abi = 1; \
+ if (rs6000_float_gprs_string == NULL) \
+ rs6000_float_gprs = 1; \
+ /* See note below. */ \
+ /*if (rs6000_long_double_size_string == NULL)*/ \
+ /* rs6000_long_double_type_size = 128;*/ \
+ if (rs6000_spe_string == NULL) \
+ rs6000_spe = 1; \
+ if (rs6000_isel_string == NULL) \
+ rs6000_isel = 1
+
+/* The e500 ABI says that either long doubles are 128 bits, or if
+ implemented in any other size, the compiler/linker should error out.
+ We have no emulation libraries for 128 bit long doubles, and I hate
+ the dozens of failures on the regression suite. So I'm breaking ABI
+ specifications, until I properly fix the emulation.
+
+ Enable these later.
+#undef CPP_LONGDOUBLE_DEFAULT_SPEC
+#define CPP_LONGDOUBLE_DEFAULT_SPEC "-D__LONG_DOUBLE_128__=1"
+*/
+
+#undef ASM_DEFAULT_SPEC
+#define ASM_DEFAULT_SPEC "-mppc -mspe -me500"
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