[Qemu-devel] [PATCH 05/12] TCG/IA64: use stack for TCG temps

[Qemu-devel] [PATCH 05/12] TCG/IA64: use stack for TCG temps

[Blue Swirl]

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

Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
---
 tcg/ia64/tcg-target.c |    9 ++++++---
 1 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/tcg/ia64/tcg-target.c b/tcg/ia64/tcg-target.c
index e22e9b6..528ae64 100644
--- a/tcg/ia64/tcg-target.c
+++ b/tcg/ia64/tcg-target.c
@@ -2279,10 +2279,15 @@ static void tcg_target_qemu_prologue(TCGContext *s)
     int frame_size;

     /* reserve some stack space */
-    frame_size = TCG_STATIC_CALL_ARGS_SIZE;
+    frame_size = TCG_STATIC_CALL_ARGS_SIZE +
+        CPU_TEMP_BUF_NLONGS * sizeof(long);
+
     frame_size = (frame_size + TCG_TARGET_STACK_ALIGN - 1) &
                  ~(TCG_TARGET_STACK_ALIGN - 1);

+    tcg_set_frame(s, TCG_REG_CALL_STACK, TCG_STATIC_CALL_ARGS_SIZE,
+                  CPU_TEMP_BUF_NLONGS * sizeof(long));
+
     /* First emit adhoc function descriptor */
     *(uint64_t *)(s->code_ptr) = (uint64_t)s->code_ptr + 16; /* entry point */
     s->code_ptr += 16; /* skip GP */
@@ -2391,6 +2396,4 @@ static void tcg_target_init(TCGContext *s)
     tcg_regset_set_reg(s->reserved_regs, TCG_REG_R6);

     tcg_add_target_add_op_defs(ia64_op_defs);
-    tcg_set_frame(s, TCG_AREG0, offsetof(CPUState, temp_buf),
-                  CPU_TEMP_BUF_NLONGS * sizeof(long));
 }
-- 
1.6.2.4

Re: [Qemu-devel] [PATCH 05/12] TCG/IA64: use stack for TCG temps

[Richard Henderson]

On 06/26/2011 12:22 PM, Blue Swirl wrote:
> Use stack instead of temp_buf array in CPUState for TCG temps.
> 
> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>

Reviewed-by: Richard Henderson <rth@twiddle.net>


r~