1 ; Options for the SPARC port of the compiler
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22 config/sparc/sparc-opts.h
26 unsigned int sparc_debug
33 Target RejectNegative Mask(FPU)
37 Target RejectNegative InverseMask(FPU)
38 Do not use hardware FP.
42 Use flat register window model.
45 Target Mask(UNALIGNED_DOUBLES)
46 Assume possible double misalignment.
50 Use ABI reserved registers.
53 Target RejectNegative Mask(HARD_QUAD)
54 Use hardware quad FP instructions.
57 Target RejectNegative InverseMask(HARD_QUAD)
58 Do not use hardware quad fp instructions.
66 Use UltraSPARC Visual Instruction Set version 1.0 extensions.
70 Use UltraSPARC Visual Instruction Set version 2.0 extensions.
74 Use UltraSPARC Visual Instruction Set version 3.0 extensions.
78 Use additional VIS 3 instructions introduced in OSA2011.
82 Use UltraSPARC Visual Instruction Set version 4.0 extensions.
86 Use additional VIS 4 instructions introduced in OSA2017.
90 Use UltraSPARC Compare-and-Branch extensions.
94 Use UltraSPARC Fused Multiply-Add extensions.
98 Use Floating-point Multiply Single to Double (FsMULd) instruction.
102 Use UltraSPARC Population-Count instruction.
106 Use UltraSPARC Subtract-Extended-with-Carry instruction.
109 Target RejectNegative Mask(PTR64)
113 Target RejectNegative InverseMask(PTR64)
117 Target RejectNegative Mask(64BIT)
121 Target RejectNegative InverseMask(64BIT)
125 Target Mask(STACK_BIAS)
129 Target Mask(FASTER_STRUCTS)
130 Use structs on stronger alignment for double-word copies.
134 Optimize tail call instructions in assembler and linker.
137 Target InverseMask(SV_MODE)
138 Do not generate code that can only run in supervisor mode (default).
141 Target RejectNegative Joined Var(sparc_cpu_and_features) Enum(sparc_processor) Init(PROCESSOR_V7)
142 Use instructions of and schedule code for given CPU.
145 Target RejectNegative Joined Var(sparc_cpu) Enum(sparc_processor) Init(PROCESSOR_V7)
146 Schedule code for given CPU.
149 Name(sparc_processor) Type(enum sparc_processor_type)
152 Enum(sparc_processor) String(native) Value(PROCESSOR_NATIVE) DriverOnly
155 Enum(sparc_processor) String(v7) Value(PROCESSOR_V7)
158 Enum(sparc_processor) String(cypress) Value(PROCESSOR_CYPRESS)
161 Enum(sparc_processor) String(v8) Value(PROCESSOR_V8)
164 Enum(sparc_processor) String(supersparc) Value(PROCESSOR_SUPERSPARC)
167 Enum(sparc_processor) String(hypersparc) Value(PROCESSOR_HYPERSPARC)
170 Enum(sparc_processor) String(leon) Value(PROCESSOR_LEON)
173 Enum(sparc_processor) String(leon3) Value(PROCESSOR_LEON3)
176 Enum(sparc_processor) String(leon3v7) Value(PROCESSOR_LEON3V7)
179 Enum(sparc_processor) String(leon5) Value(PROCESSOR_LEON5)
182 Enum(sparc_processor) String(sparclite) Value(PROCESSOR_SPARCLITE)
185 Enum(sparc_processor) String(f930) Value(PROCESSOR_F930)
188 Enum(sparc_processor) String(f934) Value(PROCESSOR_F934)
191 Enum(sparc_processor) String(sparclite86x) Value(PROCESSOR_SPARCLITE86X)
194 Enum(sparc_processor) String(sparclet) Value(PROCESSOR_SPARCLET)
197 Enum(sparc_processor) String(tsc701) Value(PROCESSOR_TSC701)
200 Enum(sparc_processor) String(v9) Value(PROCESSOR_V9)
203 Enum(sparc_processor) String(ultrasparc) Value(PROCESSOR_ULTRASPARC)
206 Enum(sparc_processor) String(ultrasparc3) Value(PROCESSOR_ULTRASPARC3)
209 Enum(sparc_processor) String(niagara) Value(PROCESSOR_NIAGARA)
212 Enum(sparc_processor) String(niagara2) Value(PROCESSOR_NIAGARA2)
215 Enum(sparc_processor) String(niagara3) Value(PROCESSOR_NIAGARA3)
218 Enum(sparc_processor) String(niagara4) Value(PROCESSOR_NIAGARA4)
221 Enum(sparc_processor) String(niagara7) Value(PROCESSOR_NIAGARA7)
224 Enum(sparc_processor) String(m8) Value(PROCESSOR_M8)
227 Target RejectNegative Joined Var(sparc_code_model) Enum(sparc_code_model) Init(CM_32)
228 Use given SPARC-V9 code model.
231 Name(sparc_code_model) Type(enum sparc_code_model_type)
234 Enum(sparc_code_model) String(32) Value(CM_32)
237 Enum(sparc_code_model) String(medlow) Value(CM_MEDLOW)
240 Enum(sparc_code_model) String(medmid) Value(CM_MEDMID)
243 Enum(sparc_code_model) String(medany) Value(CM_MEDANY)
246 Enum(sparc_code_model) String(embmedany) Value(CM_EMBMEDANY)
249 Target RejectNegative Joined Undocumented Var(sparc_debug_string)
253 Target Var(sparc_std_struct_return)
254 Enable strict 32-bit psABI struct return checking.
257 Target RejectNegative Var(sparc_fix_at697f)
258 Enable workaround for single erratum of AT697F processor
259 (corresponding to erratum #13 of AT697E processor).
262 Target RejectNegative Var(sparc_fix_ut699)
263 Enable workarounds for the errata of the UT699 processor.
266 Target RejectNegative Var(sparc_fix_ut700)
267 Enable workarounds for the errata of the UT699E/UT700 processor.
270 Target RejectNegative Var(sparc_fix_gr712rc)
271 Enable workarounds for the errata of the GR712RC processor.
273 ;; Enable workaround for back-to-back store errata
275 unsigned int sparc_fix_b2bst
277 ;; Enable workaround for GRLIB-TN-0013 errata
279 unsigned int sparc_fix_lost_divsqrt
281 Mask(LONG_DOUBLE_128)
282 ;; Use 128-bit long double
285 ;; Generate code for LEON
288 ;; Generate code for LEON3
291 ;; Generate code for SPARClite
294 ;; Generate code for SPARClet
297 ;; Generate code for SPARC-V8
300 ;; Generate code for SPARC-V9
302 Mask(DEPRECATED_V8_INSNS)
303 ;; Generate code that uses the V8 instructions deprecated
304 ;; in the V9 architecture.
307 Target RejectNegative Joined Var(sparc_memory_model) Enum(sparc_memory_model) Init(SMM_DEFAULT)
308 Specify the memory model in effect for the program.
311 Name(sparc_memory_model) Type(enum sparc_memory_model_type)
314 Enum(sparc_memory_model) String(default) Value(SMM_DEFAULT)
317 Enum(sparc_memory_model) String(rmo) Value(SMM_RMO)
320 Enum(sparc_memory_model) String(pso) Value(SMM_PSO)
323 Enum(sparc_memory_model) String(tso) Value(SMM_TSO)
326 Enum(sparc_memory_model) String(sc) Value(SMM_SC)