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Added basic loop unrolling. Blocks that end in a JMP, LOOP or conditional branch to a previous instruction in the block will be unrolled up to 10 times.

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This commit is contained in:
SarahW 2019-03-25 19:07:51 +00:00
commit 7e099c277e
9 changed files with 594 additions and 148 deletions
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4
src/codegen_ir_defs.h
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@ -336,6 +336,7 @@ typedef struct uop_t
int jump_dest_uop;
int jump_list_next;
void *jump_dest;
uint32_t pc;
} uop_t;
#define UOP_NR_MAX 4096
@ -361,6 +362,9 @@ static inline uop_t *uop_alloc(ir_data_t *ir, uint32_t uop_type)
uop->src_reg_b = invalid_ir_reg;
uop->src_reg_c = invalid_ir_reg;
uop->pc = cpu_state.oldpc;
uop->jump_dest_uop = -1;
uop->jump_list_next = -1;
if (uop_type & (UOP_TYPE_BARRIER | UOP_TYPE_ORDER_BARRIER))