[04/12] tcg: Add preferred_reg argument to tcg_reg_alloc_do_movi

Message ID 20181128053834.10861-5-richard.henderson@linaro.org
State New
Headers show
Series
  • tcg: Improve register allocation for calls
Related show

Commit Message

Richard Henderson Nov. 28, 2018, 5:38 a.m.
Pass this through to temp_sync.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

---
 tcg/tcg.c | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

-- 
2.17.2

Patch

diff --git a/tcg/tcg.c b/tcg/tcg.c
index 509e5974bd..c83ca238aa 100644
--- a/tcg/tcg.c
+++ b/tcg/tcg.c
@@ -3099,7 +3099,8 @@  static void tcg_reg_alloc_bb_end(TCGContext *s, TCGRegSet allocated_regs)
 }
 
 static void tcg_reg_alloc_do_movi(TCGContext *s, TCGTemp *ots,
-                                  tcg_target_ulong val, TCGLifeData arg_life)
+                                  tcg_target_ulong val, TCGLifeData arg_life,
+                                  TCGRegSet preferred_regs)
 {
     if (ots->fixed_reg) {
         /* For fixed registers, we do not do any constant propagation.  */
@@ -3115,7 +3116,7 @@  static void tcg_reg_alloc_do_movi(TCGContext *s, TCGTemp *ots,
     ots->val = val;
     ots->mem_coherent = 0;
     if (NEED_SYNC_ARG(0)) {
-        temp_sync(s, ots, s->reserved_regs, 0, IS_DEAD_ARG(0));
+        temp_sync(s, ots, s->reserved_regs, preferred_regs, IS_DEAD_ARG(0));
     } else if (IS_DEAD_ARG(0)) {
         temp_dead(s, ots);
     }
@@ -3126,7 +3127,7 @@  static void tcg_reg_alloc_movi(TCGContext *s, const TCGOp *op)
     TCGTemp *ots = arg_temp(op->args[0]);
     tcg_target_ulong val = op->args[1];
 
-    tcg_reg_alloc_do_movi(s, ots, val, op->life);
+    tcg_reg_alloc_do_movi(s, ots, val, op->life, 0);
 }
 
 static void tcg_reg_alloc_mov(TCGContext *s, const TCGOp *op)
@@ -3150,7 +3151,7 @@  static void tcg_reg_alloc_mov(TCGContext *s, const TCGOp *op)
         if (IS_DEAD_ARG(1)) {
             temp_dead(s, ts);
         }
-        tcg_reg_alloc_do_movi(s, ots, val, arg_life);
+        tcg_reg_alloc_do_movi(s, ots, val, arg_life, 0);
         return;
     }