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LDS/LES/LFS/LGS/LSS: Fix segment wraparounds in 16-bit address mode.

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This commit is contained in:
OBattler
2025-04-07 06:03:19 +02:00
parent 018ff46253
commit 3b5966eb46
15 changed files with 105 additions and 31 deletions
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10
src/codegen_new/codegen_ir_defs.h
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@@ -340,6 +340,7 @@ typedef struct uop_t {
void *p;
ir_host_reg_t dest_reg_a_real;
ir_host_reg_t src_reg_a_real, src_reg_b_real, src_reg_c_real;
int is_a16;
int jump_dest_uop;
int jump_list_next;
void *jump_dest;
@@ -364,6 +365,8 @@ uop_alloc(ir_data_t *ir, uint32_t uop_type)
uop = &ir->uops[ir->wr_pos++];
uop->is_a16 = 0;
uop->dest_reg_a = invalid_ir_reg;
uop->src_reg_a = invalid_ir_reg;
uop->src_reg_b = invalid_ir_reg;
@@ -489,7 +492,12 @@ uop_gen_reg_dst_src2_imm(uint32_t uop_type, ir_data_t *ir, int dest_reg, int src
uop->type = uop_type;
uop->src_reg_a = codegen_reg_read(src_reg_a);
uop->src_reg_b = codegen_reg_read(src_reg_b);
uop->is_a16 = 0;
if (src_reg_b == IREG_eaa16) {
uop->src_reg_b = codegen_reg_read(IREG_eaaddr);
uop->is_a16 = 1;
} else
uop->src_reg_b = codegen_reg_read(src_reg_b);
uop->dest_reg_a = codegen_reg_write(dest_reg, ir->wr_pos - 1);
uop->imm_data = imm;
}