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many improvements

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- fix a decode bug for C.ADDI16SP
- improve test suite (to test that bug)
- improve debugging
- clean up code
This commit is contained in:
nora 2025-03-14 20:58:18 +01:00
parent fdb4968c8b
commit b2c3c9fc80
8 changed files with 290 additions and 64 deletions
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57
tests/check/stack.S Normal file
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# Stack Pointer Addition (special-cased by compressed instructions)
# I've had two bugs in this area before...
#include "../helper.S"
.macro CASE_FOR_REGISTER reg:req number:req
li \reg, 0
addi \reg, \reg, \number
ASSERT_EQ \reg, \number
.endm
# The goal is sp addition, but why not test some other registers as well while we're at it :)
.macro CASE number
CASE_FOR_REGISTER sp, \number
CASE_FOR_REGISTER ra, \number
CASE_FOR_REGISTER a0, \number
CASE_FOR_REGISTER s0, \number
CASE_FOR_REGISTER t0, \number
.endm
START_TEST
CASE 0
CASE 1
CASE 2
CASE 4
CASE 8
CASE 10
CASE 16
CASE 32
CASE 64
CASE 100
CASE 128
CASE 200
CASE 256
CASE 512
CASE 1024
CASE 2047
CASE -1
CASE -2
CASE -4
CASE -8
CASE -10
CASE -16
CASE -32
CASE -64
CASE -100
CASE -128
CASE -200
CASE -256
CASE -512
CASE -1024
CASE -2047
CASE -2048
PASS