diff options
| -rw-r--r-- | ujit_compile.c | 22 |
1 files changed, 11 insertions, 11 deletions
diff --git a/ujit_compile.c b/ujit_compile.c index 1bb7b407c8..a55d923a60 100644 --- a/ujit_compile.c +++ b/ujit_compile.c @@ -101,7 +101,7 @@ Get an operand for the adjusted stack pointer address x86opnd_t ctx_sp_opnd(ctx_t* ctx, size_t n) { int32_t offset = (ctx->stack_diff) * 8; - return mem_opnd(64, RSI, offset); + return mem_opnd(64, R9, offset); } /* @@ -114,7 +114,7 @@ x86opnd_t ctx_stack_push(ctx_t* ctx, size_t n) // SP points just above the topmost value int32_t offset = (ctx->stack_diff - 1) * 8; - return mem_opnd(64, RSI, offset); + return mem_opnd(64, R9, offset); } /* @@ -125,7 +125,7 @@ x86opnd_t ctx_stack_pop(ctx_t* ctx, size_t n) { // SP points just above the topmost value int32_t offset = (ctx->stack_diff - 1) * 8; - x86opnd_t top = mem_opnd(64, RSI, offset); + x86opnd_t top = mem_opnd(64, R9, offset); ctx->stack_diff -= n; @@ -136,7 +136,7 @@ x86opnd_t ctx_stack_opnd(ctx_t* ctx, int32_t idx) { // SP points just above the topmost value int32_t offset = (ctx->stack_diff - 1 - idx) * 8; - x86opnd_t opnd = mem_opnd(64, RSI, offset); + x86opnd_t opnd = mem_opnd(64, R9, offset); return opnd; } @@ -159,8 +159,8 @@ ujit_gen_exit(codeblock_t* cb, ctx_t* ctx, VALUE* exit_pc) if (ctx->stack_diff != 0) { x86opnd_t stack_pointer = ctx_sp_opnd(ctx, 1); - lea(cb, RSI, stack_pointer); - mov(cb, mem_opnd(64, RDI, 8), RSI); + lea(cb, R9, stack_pointer); + mov(cb, mem_opnd(64, RDI, 8), R9); } // Directly return the next PC, which is a constant @@ -205,7 +205,7 @@ Eventually, this will handle multiple instructions in a sequence MicroJIT code gets a pointer to the cfp as the first argument in RDI See rb_ujit_empty_func(rb_control_frame_t *cfp) in iseq.c -Throughout the generated code, we store the current stack pointer in RSI +Throughout the generated code, we store the current stack pointer in R9 System V ABI reference: https://wiki.osdev.org/System_V_ABI#x86-64 @@ -270,8 +270,8 @@ ujit_compile_insn(const rb_iseq_t *iseq, unsigned int insn_idx, unsigned int* ne { ujit_gen_entry(cb); - // Load the current SP from the CFP into RSI - mov(cb, RSI, mem_opnd(64, RDI, 8)); + // Load the current SP from the CFP into R9 + mov(cb, R9, mem_opnd(64, RDI, 8)); } // Call the code generation function @@ -659,7 +659,7 @@ gen_opt_send_without_block(codeblock_t* cb, codeblock_t* ocb, ctx_t* ctx) // Save the MicroJIT registers push(cb, RDI); - push(cb, RSI); + push(cb, R9); @@ -671,7 +671,7 @@ gen_opt_send_without_block(codeblock_t* cb, codeblock_t* ocb, ctx_t* ctx) // Restore MicroJIT registers - pop(cb, RSI); + pop(cb, R9); pop(cb, RDI); |