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[v4,28/43] tcg/ppc: Use tcg_out_mem_long to reset TCG_REG_TB

Message ID 20201214140314.18544-29-richard.henderson@linaro.org
State Superseded
Headers show
Series Mirror map JIT memory for TCG | expand

Commit Message

Richard Henderson Dec. 14, 2020, 2:02 p.m. UTC 
The maximum TB code gen size is UINT16_MAX, which the current
code does not support.  Use our utility function to optimally
add an arbitrary constant.

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

---
 tcg/ppc/tcg-target.c.inc | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

-- 
2.25.1
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Patch

diff --git a/tcg/ppc/tcg-target.c.inc b/tcg/ppc/tcg-target.c.inc
index ed7a201578..1f8a446b90 100644
--- a/tcg/ppc/tcg-target.c.inc
+++ b/tcg/ppc/tcg-target.c.inc
@@ -2392,9 +2392,8 @@  static void tcg_out_op(TCGContext *s, TCGOpcode opc, const TCGArg *args,
         set_jmp_reset_offset(s, args[0]);
         if (USE_REG_TB) {
             /* For the unlinked case, need to reset TCG_REG_TB.  */
-            c = -tcg_current_code_size(s);
-            assert(c == (int16_t)c);
-            tcg_out32(s, ADDI | TAI(TCG_REG_TB, TCG_REG_TB, c));
+            tcg_out_mem_long(s, ADDI, ADD, TCG_REG_TB, TCG_REG_TB,
+                             -tcg_current_code_size(s));
         }
         break;
     case INDEX_op_goto_ptr: