From: Richard Henderson <richard.henderson@linaro.org>
Date: Fri, 24 Feb 2023 22:07:33 +0000 (-1000)
Subject: tcg: Use noinline for major tcg_gen_code subroutines
X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=9bbee4c01c2c249ec800ca10ae6d37ca1b8d0732;p=qmiga%2Fqemu.git

tcg: Use noinline for major tcg_gen_code subroutines

This makes it easier to assign blame with perf.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---

diff --git a/tcg/tcg.c b/tcg/tcg.c
index 1a31a30a0d..71b6843eb1 100644
--- a/tcg/tcg.c
+++ b/tcg/tcg.c
@@ -2635,7 +2635,8 @@ TCGOp *tcg_op_insert_after(TCGContext *s, TCGOp *old_op,
 }
 
 /* Reachable analysis : remove unreachable code.  */
-static void reachable_code_pass(TCGContext *s)
+static void __attribute__((noinline))
+reachable_code_pass(TCGContext *s)
 {
     TCGOp *op, *op_next, *op_prev;
     bool dead = false;
@@ -2859,7 +2860,8 @@ static void la_cross_call(TCGContext *s, int nt)
 /* Liveness analysis : update the opc_arg_life array to tell if a
    given input arguments is dead. Instructions updating dead
    temporaries are removed. */
-static void liveness_pass_1(TCGContext *s)
+static void __attribute__((noinline))
+liveness_pass_1(TCGContext *s)
 {
     int nb_globals = s->nb_globals;
     int nb_temps = s->nb_temps;
@@ -3199,7 +3201,8 @@ static void liveness_pass_1(TCGContext *s)
 }
 
 /* Liveness analysis: Convert indirect regs to direct temporaries.  */
-static bool liveness_pass_2(TCGContext *s)
+static bool __attribute__((noinline))
+liveness_pass_2(TCGContext *s)
 {
     int nb_globals = s->nb_globals;
     int nb_temps, i;