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Move GPF and early exit routines out of individual code blocks and into the common helper block.

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This commit is contained in:
SarahW 2019-01-13 12:57:32 +00:00
commit 8998024225
21 changed files with 213 additions and 213 deletions
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43
src/codegen_backend_arm64.c
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@ -36,6 +36,9 @@ void *codegen_mem_store_double;
void *codegen_fp_round;
void *codegen_fp_round_quad;
void *codegen_gpf_rout;
void *codegen_exit_rout;
int codegen_host_reg_list[CODEGEN_HOST_REGS] =
{
REG_X19,
@ -308,8 +311,25 @@ void codegen_backend_init()
codegen_fp_round_quad = &block_write_data[block_pos];
build_fp_round_routine(block, 1);
codegen_alloc(block, 80);
codegen_gpf_rout = &block_write_data[block_pos];
host_arm64_mov_imm(block, REG_ARG0, 0);
host_arm64_mov_imm(block, REG_ARG1, 0);
host_arm64_call(block, x86gpf);
codegen_exit_rout = &block_write_data[block_pos];
host_arm64_LDP_POSTIDX_X(block, REG_X19, REG_X20, REG_SP, 64);
host_arm64_LDP_POSTIDX_X(block, REG_X21, REG_X22, REG_SP, 16);
host_arm64_LDP_POSTIDX_X(block, REG_X23, REG_X24, REG_SP, 16);
host_arm64_LDP_POSTIDX_X(block, REG_X25, REG_X26, REG_SP, 16);
host_arm64_LDP_POSTIDX_X(block, REG_X27, REG_X28, REG_SP, 16);
host_arm64_LDP_POSTIDX_X(block, REG_X29, REG_X30, REG_SP, 16);
host_arm64_RET(block, REG_X30);
block_write_data = NULL;
codegen_allocator_clean_blocks(block->head_mem_block);
asm("mrs %0, fpcr\n"
: "=r" (cpu_state.old_fp_control)
);
@ -325,28 +345,7 @@ void codegen_set_rounding_mode(int mode)
/*R10 - cpu_state*/
void codegen_backend_prologue(codeblock_t *block)
{
int offset;
block_pos = 0;
block_pos = BLOCK_GPF_OFFSET;
host_arm64_mov_imm(block, REG_ARG0, 0);
host_arm64_mov_imm(block, REG_ARG1, 0);
host_arm64_call(block, x86gpf);
while (block_pos != BLOCK_EXIT_OFFSET)
host_arm64_NOP(block);
block_pos = BLOCK_EXIT_OFFSET; /*Exit code*/
host_arm64_LDP_POSTIDX_X(block, REG_X19, REG_X20, REG_SP, 64);
host_arm64_LDP_POSTIDX_X(block, REG_X21, REG_X22, REG_SP, 16);
host_arm64_LDP_POSTIDX_X(block, REG_X23, REG_X24, REG_SP, 16);
host_arm64_LDP_POSTIDX_X(block, REG_X25, REG_X26, REG_SP, 16);
host_arm64_LDP_POSTIDX_X(block, REG_X27, REG_X28, REG_SP, 16);
host_arm64_LDP_POSTIDX_X(block, REG_X29, REG_X30, REG_SP, 16);
host_arm64_RET(block, REG_X30);
while (block_pos != BLOCK_START)
host_arm64_NOP(block);
block_pos = BLOCK_START;
/*Entry code*/