mirror of
https://github.com/micropython/micropython.git
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268acb714d
This commit adds support for writing inline assembler functions when targeting a RV32IMC processor. Given that this takes up a bit of rodata space due to its large instruction decoding table and its extensive error messages, it is enabled by default only on offline targets such as mpy-cross and the qemu port. Signed-off-by: Alessandro Gatti <a.gatti@frob.it>
64 lines
990 B
Python
64 lines
990 B
Python
@micropython.asm_rv32
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def sdiv(a0, a1):
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div(a0, a0, a1)
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@micropython.asm_rv32
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def udiv(a0, a1):
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divu(a0, a0, a1)
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@micropython.asm_rv32
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def srem(a0, a1):
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rem(a0, a0, a1)
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@micropython.asm_rv32
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def urem(a0, a1):
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remu(a0, a0, a1)
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print(sdiv(1234, 3))
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print(sdiv(-1234, 3))
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print(sdiv(1234, -3))
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print(sdiv(-1234, -3))
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print(udiv(1234, 3))
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print(udiv(0xFFFFFFFF, 0x7FFFFFFF))
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print(udiv(0xFFFFFFFF, 0xFFFFFFFF))
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print(srem(1234, 3))
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print(srem(-1234, 3))
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print(srem(1234, -3))
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print(srem(-1234, -3))
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print(urem(1234, 3))
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print(urem(0xFFFFFFFF, 0x7FFFFFFF))
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print(urem(0xFFFFFFFF, 0xFFFFFFFF))
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@micropython.asm_rv32
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def m1(a0, a1):
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mul(a0, a0, a1)
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@micropython.asm_rv32
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def m2(a0, a1):
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mulh(a0, a0, a1)
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@micropython.asm_rv32
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def m3(a0, a1):
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mulhu(a0, a0, a1)
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@micropython.asm_rv32
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def m4(a0, a1):
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mulhsu(a0, a0, a1)
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print(m1(0xFFFFFFFF, 2))
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print(m2(0xFFFFFFFF, 0xFFFFFFF0))
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print(m3(0xFFFFFFFF, 0xFFFFFFF0))
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print(m4(0xFFFFFFFF, 0xFFFFFFF0))
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