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Diffstat (limited to 'gcc-4.9/gcc/config/s390/s390.opt')
| -rw-r--r-- | gcc-4.9/gcc/config/s390/s390.opt | 167 |
1 files changed, 167 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/config/s390/s390.opt b/gcc-4.9/gcc/config/s390/s390.opt new file mode 100644 index 000000000..7780f877c --- /dev/null +++ b/gcc-4.9/gcc/config/s390/s390.opt @@ -0,0 +1,167 @@ +; Options for the S/390 / zSeries port of the compiler. + +; Copyright (C) 2005-2014 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/>. + +HeaderInclude +config/s390/s390-opts.h + +; The architecture name to use in diagnostics. +Variable +const char *s390_arch_string + +Variable +int s390_tune_flags + +Variable +int s390_arch_flags + +Variable +HOST_WIDE_INT s390_warn_framesize = 0 + +m31 +Target Report RejectNegative Negative(m64) InverseMask(64BIT) +31 bit ABI + +m64 +Target Report RejectNegative Negative(m31) Mask(64BIT) +64 bit ABI + +march= +Target RejectNegative Joined Enum(processor_type) Var(s390_arch) Init(PROCESSOR_max) +Generate code for given CPU + +Enum +Name(processor_type) Type(enum processor_type) + +EnumValue +Enum(processor_type) String(g5) Value(PROCESSOR_9672_G5) + +EnumValue +Enum(processor_type) String(g6) Value(PROCESSOR_9672_G6) + +EnumValue +Enum(processor_type) String(z900) Value(PROCESSOR_2064_Z900) + +EnumValue +Enum(processor_type) String(z990) Value(PROCESSOR_2084_Z990) + +EnumValue +Enum(processor_type) String(z9-109) Value(PROCESSOR_2094_Z9_109) + +EnumValue +Enum(processor_type) String(z9-ec) Value(PROCESSOR_2094_Z9_EC) + +EnumValue +Enum(processor_type) String(z10) Value(PROCESSOR_2097_Z10) + +EnumValue +Enum(processor_type) String(z196) Value(PROCESSOR_2817_Z196) + +EnumValue +Enum(processor_type) String(zEC12) Value(PROCESSOR_2827_ZEC12) + +mbackchain +Target Report Mask(BACKCHAIN) +Maintain backchain pointer + +mdebug +Target Report Mask(DEBUG_ARG) +Additional debug prints + +mesa +Target Report RejectNegative Negative(mzarch) InverseMask(ZARCH) +ESA/390 architecture + +mhard-dfp +Target Report Mask(HARD_DFP) +Enable decimal floating point hardware support + +mhard-float +Target Report RejectNegative Negative(msoft-float) InverseMask(SOFT_FLOAT, HARD_FLOAT) +Enable hardware floating point + +mhotpatch +Target Report Var(s390_deferred_options) Defer +Prepend the function label with 12 two-byte Nop instructions, and add a four byte Nop instruction after the label for hotpatching. + +mhotpatch= +Target RejectNegative Report Joined Var(s390_deferred_options) Defer +Prepend the function label with the given number of two-byte Nop instructions, and add a four byte Nop instruction after the label for hotpatching. + +mlong-double-128 +Target Report RejectNegative Negative(mlong-double-64) Mask(LONG_DOUBLE_128) +Use 128-bit long double + +mlong-double-64 +Target Report RejectNegative Negative(mlong-double-128) InverseMask(LONG_DOUBLE_128) +Use 64-bit long double + +mhtm +Target Report Mask(OPT_HTM) +Use hardware transactional execution instructions + +mpacked-stack +Target Report Mask(PACKED_STACK) +Use packed stack layout + +msmall-exec +Target Report Mask(SMALL_EXEC) +Use bras for executable < 64k + +msoft-float +Target Report RejectNegative Negative(mhard-float) Mask(SOFT_FLOAT) +Disable hardware floating point + +mstack-guard= +Target RejectNegative Joined UInteger Var(s390_stack_guard) +Set the max. number of bytes which has to be left to stack size before a trap instruction is triggered + +mstack-size= +Target RejectNegative Joined UInteger Var(s390_stack_size) +Emit extra code in the function prologue in order to trap if the stack size exceeds the given limit + +mtune= +Target RejectNegative Joined Enum(processor_type) Var(s390_tune) Init(PROCESSOR_max) +Schedule code for given CPU + +mmvcle +Target Report Mask(MVCLE) +mvcle use + +mwarn-dynamicstack +Target RejectNegative Var(s390_warn_dynamicstack_p) +Warn if a function uses alloca or creates an array with dynamic size + +mwarn-framesize= +Target RejectNegative Joined +Warn if a single function's framesize exceeds the given framesize + +mzarch +Target Report RejectNegative Negative(mesa) Mask(ZARCH) +z/Architecture + +mbranch-cost= +Target Report Joined RejectNegative UInteger Var(s390_branch_cost) Init(1) +Set the branch costs for conditional branch instructions. Reasonable +values are small, non-negative integers. The default branch cost is +1. + +mlra +Target Report Var(s390_lra_flag) Init(1) Save +Use LRA instead of reload |