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4 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Damien George
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9ee2ef5108 |
py/emitinlinerv32: Move include of asmrv32.h to within feature guard.
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Otherwise, when compiling on 16-bit systems (where `mp_uint_t` is 16 bits wide) the compiler warns about "left shift count >= width of type", from the static inline functions that have RV32_ENCODE_TYPE_xxx macros which do a lot of bit shifting. Signed-off-by: Damien George <damien@micropython.org> |
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Alessandro Gatti
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8633abc082 |
py/emitinlinerv32: Reduce the footprint of compiled code.
This commit introduces a few changes aimed at reducing the amount of space taken by the inline assembler once compiled: * The register string table uses 2 bytes for each qstr rather than the usual 4 * The opcode table uses 2 bytes for each qstr rather than the usual 4 * Opcode masks are not embedded in each opcode entry but looked up via an additional smaller table, reducing the number of bytes taken by an opcode's masks from 12 to 2 (with a fixed overhead of 24 bytes for the the masks themselves stored elsewhere) * Some error messages had a trailing period, now removed * Error messages have been parameterised when possible, and the overall text length is smaller. Signed-off-by: Alessandro Gatti <a.gatti@frob.it> |
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Alessandro Gatti
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dc2c33b07f |
py/emitinlinerv32: Fix compilation with ESP-IDF v5.2 and later.
This commit fixes a compilation warning (turned error) about a potentially uninitialised variable being used. The warning can be ignored as the variable in question is always written to, but the code has been changed to silence that warning. Signed-off-by: Alessandro Gatti <a.gatti@frob.it> |
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Alessandro Gatti
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268acb714d |
py/emitinlinerv32: Add inline assembler support for RV32.
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> |