as: NDS32 Options
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1 9.30.1 NDS32 Options
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1 The NDS32 configurations of GNU 'as' support these special options:
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1 '-O1'
1 Optimize for performance.
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1 '-Os'
1 Optimize for space.
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1 '-EL'
1 Produce little endian data output.
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1 '-EB'
1 Produce little endian data output.
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1 '-mpic'
1 Generate PIC.
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1 '-mno-fp-as-gp-relax'
1 Suppress fp-as-gp relaxation for this file.
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1 '-mb2bb-relax'
1 Back-to-back branch optimization.
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1 '-mno-all-relax'
1 Suppress all relaxation for this file.
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1 '-march=<arch name>'
1 Assemble for architecture <arch name> which could be v3, v3j, v3m,
1 v3f, v3s, v2, v2j, v2f, v2s.
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1 '-mbaseline=<baseline>'
1 Assemble for baseline <baseline> which could be v2, v3, v3m.
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1 '-mfpu-freg=FREG'
1 Specify a FPU configuration.
1 '0 8 SP / 4 DP registers'
1 '1 16 SP / 8 DP registers'
1 '2 32 SP / 16 DP registers'
1 '3 32 SP / 32 DP registers'
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1 '-mabi=ABI'
1 Specify a abi version <abi> could be v1, v2, v2fp, v2fpp.
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1 '-m[no-]mac'
1 Enable/Disable Multiply instructions support.
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1 '-m[no-]div'
1 Enable/Disable Divide instructions support.
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1 '-m[no-]16bit-ext'
1 Enable/Disable 16-bit extension
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1 '-m[no-]dx-regs'
1 Enable/Disable d0/d1 registers
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1 '-m[no-]perf-ext'
1 Enable/Disable Performance extension
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1 '-m[no-]perf2-ext'
1 Enable/Disable Performance extension 2
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1 '-m[no-]string-ext'
1 Enable/Disable String extension
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1 '-m[no-]reduced-regs'
1 Enable/Disable Reduced Register configuration (GPR16) option
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1 '-m[no-]audio-isa-ext'
1 Enable/Disable AUDIO ISA extension
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1 '-m[no-]fpu-sp-ext'
1 Enable/Disable FPU SP extension
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1 '-m[no-]fpu-dp-ext'
1 Enable/Disable FPU DP extension
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1 '-m[no-]fpu-fma'
1 Enable/Disable FPU fused-multiply-add instructions
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1 '-mall-ext'
1 Turn on all extensions and instructions support
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