mirrors/qemu
0
0
Fork 0
mirror of https://github.com/qemu/qemu.git synced 2024-11-28 14:24:02 +08:00
Code Issues Packages Projects Releases Wiki Activity

tcg/mips: use stack for TCG temps

Browse Source 
Use stack instead of temp_buf array in CPUState for TCG
temps.

Reviewed-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
This commit is contained in:
Aurelien Jarno 2012-09-21 18:20:26 +02:00
parent 3314e0089f
commit 0d0b53a670
1 changed files with 6 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
tcg/mips/tcg-target.c
View File

@ -1538,11 +1538,15 @@ static void tcg_target_qemu_prologue(TCGContext *s)
{ {
int i, frame_size; int i, frame_size;
/* reserve some stack space */ /* reserve some stack space, also for TCG temps. */
frame_size = ARRAY_SIZE(tcg_target_callee_save_regs) * 4 frame_size = ARRAY_SIZE(tcg_target_callee_save_regs) * 4
+ TCG_STATIC_CALL_ARGS_SIZE; + TCG_STATIC_CALL_ARGS_SIZE
+ CPU_TEMP_BUF_NLONGS * sizeof(long);
frame_size = (frame_size + TCG_TARGET_STACK_ALIGN - 1) & frame_size = (frame_size + TCG_TARGET_STACK_ALIGN - 1) &
~(TCG_TARGET_STACK_ALIGN - 1); ~(TCG_TARGET_STACK_ALIGN - 1);
tcg_set_frame(s, TCG_REG_SP, ARRAY_SIZE(tcg_target_callee_save_regs) * 4
+ TCG_STATIC_CALL_ARGS_SIZE,
CPU_TEMP_BUF_NLONGS * sizeof(long));
/* TB prologue */ /* TB prologue */
tcg_out_addi(s, TCG_REG_SP, -frame_size); tcg_out_addi(s, TCG_REG_SP, -frame_size);
@ -1597,6 +1601,4 @@ static void tcg_target_init(TCGContext *s)
tcg_regset_set_reg(s->reserved_regs, TCG_REG_GP); /* global pointer */ tcg_regset_set_reg(s->reserved_regs, TCG_REG_GP); /* global pointer */
tcg_add_target_add_op_defs(mips_op_defs); tcg_add_target_add_op_defs(mips_op_defs);
tcg_set_frame(s, TCG_AREG0, offsetof(CPUArchState, temp_buf),
CPU_TEMP_BUF_NLONGS * sizeof(long));
} }