diff options
Diffstat (limited to 'gcc/config/rs6000/e500.h')
| -rw-r--r-- | gcc/config/rs6000/e500.h | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/gcc/config/rs6000/e500.h b/gcc/config/rs6000/e500.h new file mode 100644 index 000000000..807df0900 --- /dev/null +++ b/gcc/config/rs6000/e500.h @@ -0,0 +1,57 @@ +/* Enable E500 support. + Copyright (C) 2003, 2004, 2006, 2007, 2008, 2009, 2010 Free Software + Foundation, Inc. + 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 3, 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 COPYING3. If not see + <http://www.gnu.org/licenses/>. */ + +#undef TARGET_SPE_ABI +#undef TARGET_SPE +#undef TARGET_E500 +#undef TARGET_FPRS +#undef TARGET_E500_SINGLE +#undef TARGET_E500_DOUBLE +#undef CHECK_E500_OPTIONS + +#define TARGET_SPE_ABI rs6000_spe_abi +#define TARGET_SPE rs6000_spe +#define TARGET_E500 (rs6000_cpu == PROCESSOR_PPC8540) +#define TARGET_FPRS (rs6000_float_gprs == 0) +#define TARGET_E500_SINGLE (TARGET_HARD_FLOAT && rs6000_float_gprs == 1) +#define TARGET_E500_DOUBLE (TARGET_HARD_FLOAT && rs6000_float_gprs == 2) +#define CHECK_E500_OPTIONS \ + do { \ + if (TARGET_E500 || TARGET_SPE || TARGET_SPE_ABI \ + || TARGET_E500_SINGLE || TARGET_E500_DOUBLE) \ + { \ + if (TARGET_ALTIVEC) \ + error ("AltiVec and E500 instructions cannot coexist"); \ + if (TARGET_VSX) \ + error ("VSX and E500 instructions cannot coexist"); \ + if (TARGET_64BIT) \ + error ("64-bit E500 not supported"); \ + if (TARGET_HARD_FLOAT && TARGET_FPRS) \ + error ("E500 and FPRs not supported"); \ + } \ + } while (0) + +/* Override rs6000.h definition. */ +#undef HARD_REGNO_CALLER_SAVE_MODE +/* When setting up caller-save slots (MODE == VOIDmode) ensure we + allocate space for DFmode. Save gprs in the correct mode too. */ +#define HARD_REGNO_CALLER_SAVE_MODE(REGNO, NREGS, MODE) \ + (TARGET_E500_DOUBLE && ((MODE) == VOIDmode || (MODE) == DFmode) \ + ? DFmode \ + : choose_hard_reg_mode ((REGNO), (NREGS), false)) |