Patchwork [for-next,06/15] tcg-ppc64: Move AREG0 to r31

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Submitter Richard Henderson
Date Aug. 5, 2013, 6:28 p.m.
Message ID <1375727330-30515-7-git-send-email-rth@twiddle.net>
Download mbox | patch
Permalink /patch/264740/
State New
Headers show

Comments

Richard Henderson - Aug. 5, 2013, 6:28 p.m.
Now that AREG0 doesn't need to be a global register, non-conflicting
with the normal frame pointer, move it out of the middle of the set.

Signed-off-by: Richard Henderson <rth@twiddle.net>
---
 tcg/ppc64/tcg-target.c | 4 ++--
 tcg/ppc64/tcg-target.h | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

Patch

diff --git a/tcg/ppc64/tcg-target.c b/tcg/ppc64/tcg-target.c
index 2563253..2b3d1bb 100644
--- a/tcg/ppc64/tcg-target.c
+++ b/tcg/ppc64/tcg-target.c
@@ -166,11 +166,11 @@  static const int tcg_target_callee_save_regs[] = {
     TCG_REG_R24,
     TCG_REG_R25,
     TCG_REG_R26,
-    TCG_REG_R27, /* currently used for the global env */
+    TCG_REG_R27,
     TCG_REG_R28,
     TCG_REG_R29,
     TCG_REG_R30,
-    TCG_REG_R31
+    TCG_REG_R31, /* currently used for the global env */
 };
 
 static inline bool in_range_b(intptr_t disp)
diff --git a/tcg/ppc64/tcg-target.h b/tcg/ppc64/tcg-target.h
index 48fc6e2..66d0515 100644
--- a/tcg/ppc64/tcg-target.h
+++ b/tcg/ppc64/tcg-target.h
@@ -119,7 +119,7 @@  typedef enum {
 #define TCG_TARGET_HAS_mulu2_i64        1
 #define TCG_TARGET_HAS_muls2_i64        1
 
-#define TCG_AREG0 TCG_REG_R27
+#define TCG_AREG0 TCG_REG_R31
 
 #define TCG_TARGET_EXTEND_ARGS 1