[Qemu-devel] [PATCH 04/12] TCG/IA64: use TCG_REG_CALL_STACK instead of TCG_REG_R12

[Qemu-devel] [PATCH 04/12] TCG/IA64: use TCG_REG_CALL_STACK instead of TCG_REG_R12

[Blue Swirl]

Use TCG_REG_CALL_STACK instead of TCG_REG_R12 for consistency.

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 6386a5b..e22e9b6 100644
--- a/tcg/ia64/tcg-target.c
+++ b/tcg/ia64/tcg-target.c
@@ -2311,7 +2311,8 @@ static void tcg_target_qemu_prologue(TCGContext *s)
                    tcg_opc_m48(TCG_REG_P0, OPC_MOV_I21,
                                TCG_REG_AREG0, TCG_REG_R32, 0),
                    tcg_opc_a4 (TCG_REG_P0, OPC_ADDS_A4,
-                               TCG_REG_R12, -frame_size, TCG_REG_R12),
+                               TCG_REG_CALL_STACK, -frame_size,
+                               TCG_REG_CALL_STACK),
                    tcg_opc_b4 (TCG_REG_P0, OPC_BR_SPTK_MANY_B4, TCG_REG_B6));

     /* epilogue */
@@ -2321,7 +2322,8 @@ static void tcg_target_qemu_prologue(TCGContext *s)
                    tcg_opc_i21(TCG_REG_P0, OPC_MOV_I21,
                                TCG_REG_B0, TCG_REG_R32, 0),
                    tcg_opc_a4 (TCG_REG_P0, OPC_ADDS_A4,
-                               TCG_REG_R12, frame_size, TCG_REG_R12));
+                               TCG_REG_CALL_STACK, frame_size,
+                               TCG_REG_CALL_STACK));
     tcg_out_bundle(s, miB,
                    tcg_opc_m48(TCG_REG_P0, OPC_NOP_M48, 0),
                    tcg_opc_i26(TCG_REG_P0, OPC_MOV_I_I26,
@@ -2374,7 +2376,8 @@ static void tcg_target_init(TCGContext *s)
     tcg_regset_set_reg(s->reserved_regs, TCG_REG_R1);   /* global pointer */
     tcg_regset_set_reg(s->reserved_regs, TCG_REG_R2);   /* internal use */
     tcg_regset_set_reg(s->reserved_regs, TCG_REG_R3);   /* internal use */
-    tcg_regset_set_reg(s->reserved_regs, TCG_REG_R12);  /* stack pointer */
+    /* stack pointer */
+    tcg_regset_set_reg(s->reserved_regs, TCG_REG_CALL_STACK);
     tcg_regset_set_reg(s->reserved_regs, TCG_REG_R13);  /* thread pointer */
     tcg_regset_set_reg(s->reserved_regs, TCG_REG_R32);  /* return address */
     tcg_regset_set_reg(s->reserved_regs, TCG_REG_R33);  /* PFS */
-- 
1.6.2.4

Re: [Qemu-devel] [PATCH 04/12] TCG/IA64: use TCG_REG_CALL_STACK instead of TCG_REG_R12

[Richard Henderson]

On 06/26/2011 12:22 PM, Blue Swirl wrote:
> Use TCG_REG_CALL_STACK instead of TCG_REG_R12 for consistency.
> 
> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>

Reviewed-by: Richard Henderson <rth@redhat.com>


r~