From 01052811be08444458576dda994d15f8823560ea Mon Sep 17 00:00:00 2001 From: Kimplul Date: Tue, 25 Jun 2024 23:25:29 +0300 Subject: initial rewrite to use ejit + Doesn't actually link yet due to missing stuff from ejit, will have to add them (tomorrow?) --- deps/lightening/tests/jmp_table.c | 61 --------------------------------------- 1 file changed, 61 deletions(-) delete mode 100644 deps/lightening/tests/jmp_table.c (limited to 'deps/lightening/tests/jmp_table.c') diff --git a/deps/lightening/tests/jmp_table.c b/deps/lightening/tests/jmp_table.c deleted file mode 100644 index f90ab16..0000000 --- a/deps/lightening/tests/jmp_table.c +++ /dev/null @@ -1,61 +0,0 @@ -#include "test.h" - -#define NTARGETS ((size_t) 4) - -static void -run_test(jit_state_t *j, uint8_t *arena_base, size_t arena_size) -{ - jit_begin(j, arena_base, arena_size); - size_t align = jit_enter_jit_abi(j, 0, 0, 0); - jit_load_args_1(j, jit_operand_gpr (JIT_OPERAND_ABI_POINTER, JIT_R0)); - - jit_reloc_t default_target = jit_bgei_u(j, JIT_R0, NTARGETS); - - // FIXME: need ldxr with word stride, then can eliminate lshi. - jit_lshi(j, JIT_R0, JIT_R0, sizeof(intptr_t) == 4 ? 2 : 3); - jit_reloc_t table = jit_mov_addr(j, JIT_R1); - jit_ldxr(j, JIT_R1, JIT_R1, JIT_R0); - jit_jmpr(j, JIT_R1); - - jit_begin_data (j, (NTARGETS + 1) * sizeof(intptr_t)); - jit_align(j, sizeof(intptr_t)); - jit_patch_here(j, table); - jit_reloc_t targets[NTARGETS]; - jit_reloc_t tails[NTARGETS]; - for (size_t i = 0; i < NTARGETS; i++) { - targets[i] = jit_emit_addr(j); - } - jit_end_data (j); - - for (size_t i = 0; i < NTARGETS; i++) { - jit_patch_here(j, targets[i]); - jit_movi(j, JIT_R0, i * i); - tails[i] = jit_jmp(j); - } - - jit_patch_here(j, default_target); - jit_movi(j, JIT_R0, 42); - for (int i = 0; i < NTARGETS; i++) { - jit_patch_here(j, tails[i]); - } - jit_leave_jit_abi(j, 0, 0, align); - jit_retr(j, JIT_R0); - - jit_word_t (*f)(jit_word_t) = jit_end(j, NULL); - - for (int i = -2; i < ((int) NTARGETS) + 2; i++) { - if (i < 0) { - ASSERT(f(i) == 42); - } else if (i < NTARGETS) { - ASSERT(f(i) == i * i); - } else { - ASSERT(f(i) == 42); - } - } -} - -int -main (int argc, char *argv[]) -{ - return main_helper(argc, argv, run_test); -} -- cgit v1.2.3