target/ppc: Fix TCG temporary leaks in gen_slbia()

philmd · pm215 · commit 3119154db048 · 2020-04-20T22:22:49.000+01:00
This fixes: $ qemu-system-ppc64 \ -machine pseries-4.1 -cpu power9 \ -smp 4 -m 12G -accel tcg ... ... Quiescing Open Firmware ... Booting Linux via __start() @ 0x0000000002000000 ... Opcode 1f 12 0f 00 (7ce003e4) leaked temporaries Opcode 1f 12 0f 00 (7ce003e4) leaked temporaries Opcode 1f 12 0f 00 (7ce003e4) leaked temporaries [*] https://www.mail-archive.com/qemu-discuss@nongnu.org/msg05400.html Fixes: 0418bf7 ("Fix ISA v3.0 (POWER9) slbia implementation") Reported-by: Dennis Clarke <dclarke@blastwave.org> Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Nicholas Piggin <npiggin@gmail.com> Reviewed-by: Cédric Le Goater <clg@kaod.org> Message-id: 20200417090749.14310-1-f4bug@amsat.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
diff --git a/target/ppc/translate.c b/target/ppc/translate.c
@@ -5011,6 +5011,7 @@ static void gen_slbia(DisasContext *ctx)
     CHK_SV;
 
     gen_helper_slbia(cpu_env, t0);
+    tcg_temp_free_i32(t0);
 #endif /* defined(CONFIG_USER_ONLY) */
 }
 

Original file line number	Diff line number	Diff line change
`@@ -5011,6 +5011,7 @@ static void gen_slbia(DisasContext *ctx)`
`5011`	`5011`	`CHK_SV;`
`5012`	`5012`
`5013`	`5013`	`gen_helper_slbia(cpu_env, t0);`
	`5014`	`+ tcg_temp_free_i32(t0);`
`5014`	`5015`	`#endif /* defined(CONFIG_USER_ONLY) */`
`5015`	`5016`	`}`
`5016`	`5017`