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| author | Damien George <damien@micropython.org> | 2020-06-25 13:09:07 +1000 |
|---|---|---|
| committer | Damien George <damien@micropython.org> | 2020-06-27 00:24:04 +1000 |
| commit | aa26fe62d8728c95d447475ced9b4a03380025ea (patch) | |
| tree | 6a0147babbb940d6d0aa261a2c3fd41aaa8cd026 /py/asmarm.c | |
| parent | 137df817575e06b7bd765fb230a99d108f1d4f61 (diff) | |
| download | micropython-aa26fe62d8728c95d447475ced9b4a03380025ea.tar.gz micropython-aa26fe62d8728c95d447475ced9b4a03380025ea.zip | |
py/asm: Add funcs/macros to emit machine code for logical-shift-right.
Signed-off-by: Damien George <damien@micropython.org>
Diffstat (limited to 'py/asmarm.c')
| -rw-r--r-- | py/asmarm.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/py/asmarm.c b/py/asmarm.c index 72b37f73a0..e91421578b 100644 --- a/py/asmarm.c +++ b/py/asmarm.c @@ -303,6 +303,11 @@ void asm_arm_lsl_reg_reg(asm_arm_t *as, uint rd, uint rs) { emit_al(as, 0x1a00010 | (rd << 12) | (rs << 8) | rd); } +void asm_arm_lsr_reg_reg(asm_arm_t *as, uint rd, uint rs) { + // mov rd, rd, lsr rs + emit_al(as, 0x1a00030 | (rd << 12) | (rs << 8) | rd); +} + void asm_arm_asr_reg_reg(asm_arm_t *as, uint rd, uint rs) { // mov rd, rd, asr rs emit_al(as, 0x1a00050 | (rd << 12) | (rs << 8) | rd); |