| ; Options for the rs6000 port of the compiler |
| ; |
| ; Copyright (C) 2005 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, 51 Franklin Street, Fifth Floor, Boston, MA |
| ; 02110-1301, USA. |
| |
| mpower |
| Target Report RejectNegative Mask(POWER) |
| Use POWER instruction set |
| |
| mno-power |
| Target Report RejectNegative |
| Do not use POWER instruction set |
| |
| mpower2 |
| Target Report Mask(POWER2) |
| Use POWER2 instruction set |
| |
| mpowerpc |
| Target Report RejectNegative Mask(POWERPC) |
| Use PowerPC instruction set |
| |
| mno-powerpc |
| Target Report RejectNegative |
| Do not use PowerPC instruction set |
| |
| mpowerpc64 |
| Target Report Mask(POWERPC64) |
| Use PowerPC-64 instruction set |
| |
| mpowerpc-gpopt |
| Target Report Mask(PPC_GPOPT) |
| Use PowerPC General Purpose group optional instructions |
| |
| mpowerpc-gfxopt |
| Target Report Mask(PPC_GFXOPT) |
| Use PowerPC Graphics group optional instructions |
| |
| mmfcrf |
| Target Report Mask(MFCRF) |
| Use PowerPC V2.01 single field mfcr instruction |
| |
| mpopcntb |
| Target Report Mask(POPCNTB) |
| Use PowerPC V2.02 popcntb instruction |
| |
| mfprnd |
| Target Report Mask(FPRND) |
| Use PowerPC V2.02 floating point rounding instructions |
| |
| maltivec |
| Target Report Mask(ALTIVEC) |
| Use AltiVec instructions |
| |
| ; APPLE LOCAL begin AltiVec |
| mpim-altivec |
| Target Report Var(rs6000_altivec_pim) |
| Enable use of Motorola AltiVec PIM operations and predicates |
| |
| mmask-pim-altivec |
| Target Undocumented Mask(PIM_ALTIVEC) |
| ; APPLE LOCAL end AltiVec |
| |
| mmulhw |
| Target Report Mask(MULHW) |
| Use 4xx half-word multiply instructions |
| |
| mdlmzb |
| Target Report Mask(DLMZB) |
| Use 4xx string-search dlmzb instruction |
| |
| mmultiple |
| Target Report Mask(MULTIPLE) |
| Generate load/store multiple instructions |
| |
| mstring |
| Target Report Mask(STRING) |
| Generate string instructions for block moves |
| |
| mnew-mnemonics |
| Target Report RejectNegative Mask(NEW_MNEMONICS) |
| Use new mnemonics for PowerPC architecture |
| |
| mold-mnemonics |
| Target Report RejectNegative InverseMask(NEW_MNEMONICS) |
| Use old mnemonics for PowerPC architecture |
| |
| msoft-float |
| Target Report RejectNegative Mask(SOFT_FLOAT) |
| Do not use hardware floating point |
| |
| mhard-float |
| Target Report RejectNegative InverseMask(SOFT_FLOAT, HARD_FLOAT) |
| Use hardware floating point |
| |
| mno-update |
| Target Report RejectNegative Mask(NO_UPDATE) |
| Do not generate load/store with update instructions |
| |
| mupdate |
| Target Report RejectNegative InverseMask(NO_UPDATE, UPDATE) |
| Generate load/store with update instructions |
| |
| mno-fused-madd |
| Target Report RejectNegative Mask(NO_FUSED_MADD) |
| Do not generate fused multiply/add instructions |
| |
| mfused-madd |
| Target Report RejectNegative InverseMask(NO_FUSED_MADD, FUSED_MADD) |
| Generate fused multiply/add instructions |
| |
| msched-prolog |
| Target Report Var(TARGET_SCHED_PROLOG) Init(1) |
| Schedule the start and end of the procedure |
| |
| msched-epilog |
| Target Undocumented Var(TARGET_SCHED_PROLOG) VarExists |
| |
| maix-struct-return |
| Target Report RejectNegative Var(aix_struct_return) |
| Return all structures in memory (AIX default) |
| |
| msvr4-struct-return |
| Target Report RejectNegative Var(aix_struct_return,0) VarExists |
| Return small structures in registers (SVR4 default) |
| |
| mxl-compat |
| Target Report Var(TARGET_XL_COMPAT) |
| Conform more closely to IBM XLC semantics |
| |
| mswdiv |
| Target Report Var(swdiv) |
| Generate software floating point divide for better throughput |
| |
| mno-fp-in-toc |
| Target Report RejectNegative Var(TARGET_NO_FP_IN_TOC) |
| Do not place floating point constants in TOC |
| |
| mfp-in-toc |
| Target Report RejectNegative Var(TARGET_NO_FP_IN_TOC,0) |
| Place floating point constants in TOC |
| |
| mno-sum-in-toc |
| Target RejectNegative Var(TARGET_NO_SUM_IN_TOC) |
| Do not place symbol+offset constants in TOC |
| |
| msum-in-toc |
| Target RejectNegative Var(TARGET_NO_SUM_IN_TOC,0) VarExists |
| Place symbol+offset constants in TOC |
| |
| ; Output only one TOC entry per module. Normally linking fails if |
| ; there are more than 16K unique variables/constants in an executable. With |
| ; this option, linking fails only if there are more than 16K modules, or |
| ; if there are more than 16K unique variables/constant in a single module. |
| ; |
| ; This is at the cost of having 2 extra loads and one extra store per |
| ; function, and one less allocable register. |
| mminimal-toc |
| Target Report Mask(MINIMAL_TOC) |
| Use only one TOC entry per procedure |
| |
| mfull-toc |
| Target Report |
| Put everything in the regular TOC |
| |
| mvrsave |
| Target Report Var(TARGET_ALTIVEC_VRSAVE) |
| Generate VRSAVE instructions when generating AltiVec code |
| |
| mvrsave= |
| Target RejectNegative Joined |
| -mvrsave=yes/no Deprecated option. Use -mvrsave/-mno-vrsave instead |
| |
| misel |
| Target Var(rs6000_isel) |
| Generate isel instructions |
| |
| misel= |
| Target RejectNegative Joined |
| -misel=yes/no Deprecated option. Use -misel/-mno-isel instead |
| |
| mspe |
| Target Var(rs6000_spe) |
| Generate SPE SIMD instructions on E500 |
| |
| mspe= |
| Target RejectNegative Joined |
| -mspe=yes/no Deprecated option. Use -mspe/-mno-spe instead |
| |
| mdebug= |
| Target RejectNegative Joined |
| -mdebug= Enable debug output |
| |
| mabi= |
| Target RejectNegative Joined |
| -mabi= Specify ABI to use |
| |
| mcpu= |
| Target RejectNegative Joined |
| -mcpu= Use features of and schedule code for given CPU |
| |
| mtune= |
| Target RejectNegative Joined |
| -mtune= Schedule code for given CPU |
| |
| mtraceback= |
| Target RejectNegative Joined |
| -mtraceback= Select full, part, or no traceback table |
| |
| mlongcall |
| Target Report Var(rs6000_default_long_calls) |
| Avoid all range limits on call instructions |
| |
| ; APPLE LOCAL begin long-branch |
| mlong-branch |
| Target Report Var(rs6000_default_long_calls) |
| Deprecated option. Use -mlongcall instead |
| ; APPLE LOCAL end long-branch |
| |
| mwarn-altivec-long |
| Target Var(rs6000_warn_altivec_long) Init(1) |
| Warn about deprecated 'vector long ...' AltiVec type usage |
| |
| mfloat-gprs= |
| Target RejectNegative Joined |
| -mfloat-gprs= Select GPR floating point method |
| |
| mlong-double- |
| Target RejectNegative Joined UInteger |
| -mlong-double-<n> Specify size of long double (64 or 128 bits) |
| |
| msched-costly-dep= |
| Target RejectNegative Joined |
| Determine which dependences between insns are considered costly |
| |
| minsert-sched-nops= |
| Target RejectNegative Joined |
| Specify which post scheduling nop insertion scheme to apply |
| |
| malign- |
| Target RejectNegative Joined |
| Specify alignment of structure fields default/natural |
| |
| mprioritize-restricted-insns= |
| Target RejectNegative Joined UInteger Var(rs6000_sched_restricted_insns_priority) |
| Specify scheduling priority for dispatch slot restricted insns |
