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| author | Kimplul <kimi.h.kuparinen@gmail.com> | 2024-04-07 01:28:23 +0300 |
|---|---|---|
| committer | Kimplul <kimi.h.kuparinen@gmail.com> | 2024-04-07 01:28:23 +0300 |
| commit | e668bbc06ff95939627ef6082b1ca5cd4d198df6 (patch) | |
| tree | 75e31dd04cda4b90f6020470e0d2b5117b084e97 /triscv/src/cpu.c | |
| parent | ab276c733ce9dc80983e5c8ae5c530e1477cf990 (diff) | |
| download | tri-e668bbc06ff95939627ef6082b1ca5cd4d198df6.tar.gz tri-e668bbc06ff95939627ef6082b1ca5cd4d198df6.zip | |
implement some more branches
Diffstat (limited to 'triscv/src/cpu.c')
| -rw-r--r-- | triscv/src/cpu.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/triscv/src/cpu.c b/triscv/src/cpu.c index a2bc9fb..9e82974 100644 --- a/triscv/src/cpu.c +++ b/triscv/src/cpu.c @@ -101,6 +101,12 @@ static void do_op_imm(struct cpu *cpu, tri_t i) tri_t src = get_gpr(cpu, rs1); switch (fn0) { + case OP_IMM_SLTI: { + tri_t r = tri_lt(src, imm9); + set_gpr(cpu, rd, r); + break; + } + case OP_IMM_ADDI: { tri_t r = tri_add(src, imm9); set_gpr(cpu, rd, r); @@ -293,6 +299,8 @@ static void do_branch(struct cpu *cpu, tri_t i) switch (fn0) { case BRANCH_BLT: take = tri_lt(c0, c1); break; case BRANCH_BGE: take = tri_ge(c0, c1); break; + case BRANCH_BNE: take = tri_ne(c0, c1); break; + case BRANCH_BEQ: take = tri_eq(c0, c1); break; default: fprintf(stderr, "illegal/unimplemented BRANCH at %lli," "aborting\n", (long long int)cpu->pc); abort(); |