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<title>SH64 Options - Using as</title>
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This file documents the GNU Assembler "as".
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<a name="SH64-Options"></a>
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<p>
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Next: <a rel="next" accesskey="n" href="SH64-Syntax.html#SH64-Syntax">SH64 Syntax</a>,
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Up: <a rel="up" accesskey="u" href="SH64_002dDependent.html#SH64_002dDependent">SH64-Dependent</a>
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<h4 class="subsection">9.41.1 Options</h4>
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<p><a name="index-SH64-options-1962"></a><a name="index-options_002c-SH64-1963"></a>
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<a name="index-SH64-ISA-options-1964"></a>
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<a name="index-ISA-options_002c-SH64-1965"></a>
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<dl><dt><code>-isa=sh4 | sh4a</code><dd>Specify the sh4 or sh4a instruction set.
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<br><dt><code>-isa=dsp</code><dd>Enable sh-dsp insns, and disable sh3e / sh4 insns.
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<br><dt><code>-isa=fp</code><dd>Enable sh2e, sh3e, sh4, and sh4a insn sets.
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<br><dt><code>-isa=all</code><dd>Enable sh1, sh2, sh2e, sh3, sh3e, sh4, sh4a, and sh-dsp insn sets.
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<br><dt><code>-isa=shmedia | -isa=shcompact</code><dd>Specify the default instruction set. <code>SHmedia</code> specifies the
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32-bit opcodes, and <code>SHcompact</code> specifies the 16-bit opcodes
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compatible with previous SH families. The default depends on the ABI
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selected; the default for the 64-bit ABI is SHmedia, and the default for
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the 32-bit ABI is SHcompact. If neither the ABI nor the ISA is
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specified, the default is 32-bit SHcompact.
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<p>Note that the <code>.mode</code> pseudo-op is not permitted if the ISA is not
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specified on the command line.
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<p><a name="index-SH64-ABI-options-1966"></a><a name="index-ABI-options_002c-SH64-1967"></a><br><dt><code>-abi=32 | -abi=64</code><dd>Specify the default ABI. If the ISA is specified and the ABI is not,
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the default ABI depends on the ISA, with SHmedia defaulting to 64-bit
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and SHcompact defaulting to 32-bit.
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<p>Note that the <code>.abi</code> pseudo-op is not permitted if the ABI is not
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specified on the command line. When the ABI is specified on the command
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line, any <code>.abi</code> pseudo-ops in the source must match it.
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<br><dt><code>-shcompact-const-crange</code><dd>Emit code-range descriptors for constants in SHcompact code sections.
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<br><dt><code>-no-mix</code><dd>Disallow SHmedia code in the same section as constants and SHcompact
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code.
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<br><dt><code>-no-expand</code><dd>Do not expand MOVI, PT, PTA or PTB instructions.
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<br><dt><code>-expand-pt32</code><dd>With -abi=64, expand PT, PTA and PTB instructions to 32 bits only.
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<br><dt><code>-h-tick-hex</code><dd>Support H'00 style hex constants in addition to 0x00 style.
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</dl>
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</body></html>
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