Patchwork [11/18] TCG/IA64: use stack for TCG temps

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Submitter Blue Swirl
Date May 28, 2011, 10:08 a.m.
Message ID <BANLkTindnAxyy-3K9YTFuo+7d19yZFp64A@mail.gmail.com>
Download mbox | patch
Permalink /patch/97784/
State New
Headers show

Comments

Blue Swirl - May 28, 2011, 10:08 a.m.
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(-)

Patch

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));
 }