[v3] hw, target: Prefer fast cpu_env() over slower CPU QOM cast macro

[PATCH v3 28/29] target/xtensa: Prefer fast cpu_env() over slower CPU QOM cast macro

Philippe Mathieu-Daudé posted 29 patches 10 months ago

Diff against v1 v2
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Maintainers: Richard Henderson <richard.henderson@linaro.org>, Paolo Bonzini <pbonzini@redhat.com>, Warner Losh <imp@bsdimp.com>, Kyle Evans <kevans@freebsd.org>, Eduardo Habkost <eduardo@habkost.net>, Marcel Apfelbaum <marcel.apfelbaum@gmail.com>, "Philippe Mathieu-Daudé" <philmd@linaro.org>, Yanan Wang <wangyanan55@huawei.com>, "Michael S. Tsirkin" <mst@redhat.com>, Stefano Stabellini <sstabellini@kernel.org>, Anthony Perard <anthony.perard@citrix.com>, Paul Durrant <paul@xen.org>, Peter Maydell <peter.maydell@linaro.org>, Song Gao <gaosong@loongson.cn>, Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>, "Cédric Le Goater" <clg@kaod.org>, Nicholas Piggin <npiggin@gmail.com>, "Frédéric Barrat" <fbarrat@linux.ibm.com>, Daniel Henrique Barboza <danielhb413@gmail.com>, David Gibson <david@gibson.dropbear.id.au>, Harsh Prateek Bora <harshpb@linux.ibm.com>, David Hildenbrand <david@redhat.com>, Ilya Leoshkevich <iii@linux.ibm.com>, Thomas Huth <thuth@redhat.com>, Halil Pasic <pasic@linux.ibm.com>, Christian Borntraeger <borntraeger@linux.ibm.com>, Eric Farman <farman@linux.ibm.com>, "Alex Bennée" <alex.bennee@linaro.org>, Viresh Kumar <viresh.kumar@linaro.org>, Igor Mammedov <imammedo@redhat.com>, Ani Sinha <anisinha@redhat.com>, Laurent Vivier <laurent@vivier.eu>, Peter Xu <peterx@redhat.com>, Fabiano Rosas <farosas@suse.de>, Alexander Graf <agraf@csgraf.de>, Michael Rolnik <mrolnik@gmail.com>, "Edgar E. Iglesias" <edgar.iglesias@gmail.com>, Brian Cain <bcain@quicinc.com>, Cameron Esfahani <dirty@apple.com>, Roman Bolshakov <rbolshakov@ddn.com>, Marcelo Tosatti <mtosatti@redhat.com>, David Woodhouse <dwmw2@infradead.org>, Reinoud Zandijk <reinoud@netbsd.org>, Sunil Muthuswamy <sunilmut@microsoft.com>, Aurelien Jarno <aurelien@aurel32.net>, Jiaxun Yang <jiaxun.yang@flygoat.com>, Aleksandar Rikalo <aleksandar.rikalo@syrmia.com>, Huacai Chen <chenhuacai@kernel.org>, Chris Wulff <crwulff@gmail.com>, Marek Vasut <marex@denx.de>, Stafford Horne <shorne@gmail.com>, Palmer Dabbelt <palmer@dabbelt.com>, Alistair Francis <alistair.francis@wdc.com>, Bin Meng <bin.meng@windriver.com>, Weiwei Li <liwei1518@gmail.com>, Liu Zhiwei <zhiwei_liu@linux.alibaba.com>, Yoshinori Sato <ysato@users.sourceforge.jp>, Artyom Tarasenko <atar4qemu@gmail.com>, Bastian Koppelmann <kbastian@mail.uni-paderborn.de>, Max Filippov <jcmvbkbc@gmail.com>

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[PATCH v3 28/29] target/xtensa: Prefer fast cpu_env() over slower CPU QOM cast macro

Posted by Philippe Mathieu-Daudé 10 months ago

Mechanical patch produced running the command documented
in scripts/coccinelle/cpu_env.cocci_template header.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
---
 target/xtensa/cpu.c        | 3 +--
 target/xtensa/dbg_helper.c | 3 +--
 target/xtensa/exc_helper.c | 3 +--
 target/xtensa/gdbstub.c    | 6 ++----
 target/xtensa/helper.c     | 9 +++------
 target/xtensa/translate.c  | 6 ++----
 6 files changed, 10 insertions(+), 20 deletions(-)

diff --git a/target/xtensa/cpu.c b/target/xtensa/cpu.c
index ce044466ad..47fd7c7ca9 100644
--- a/target/xtensa/cpu.c
+++ b/target/xtensa/cpu.c
@@ -91,9 +91,8 @@ bool xtensa_abi_call0(void)
 static void xtensa_cpu_reset_hold(Object *obj)
 {
     CPUState *cs = CPU(obj);
-    XtensaCPU *cpu = XTENSA_CPU(cs);
     XtensaCPUClass *xcc = XTENSA_CPU_GET_CLASS(obj);
-    CPUXtensaState *env = &cpu->env;
+    CPUXtensaState *env = cpu_env(cs);
     bool dfpu = xtensa_option_enabled(env->config,
                                       XTENSA_OPTION_DFP_COPROCESSOR);
 
diff --git a/target/xtensa/dbg_helper.c b/target/xtensa/dbg_helper.c
index 497dafca71..5546c82ecd 100644
--- a/target/xtensa/dbg_helper.c
+++ b/target/xtensa/dbg_helper.c
@@ -66,8 +66,7 @@ void HELPER(wsr_ibreaka)(CPUXtensaState *env, uint32_t i, uint32_t v)
 
 bool xtensa_debug_check_breakpoint(CPUState *cs)
 {
-    XtensaCPU *cpu = XTENSA_CPU(cs);
-    CPUXtensaState *env = &cpu->env;
+    CPUXtensaState *env = cpu_env(cs);
     unsigned int i;
 
     if (xtensa_get_cintlevel(env) >= env->config->debug_level) {
diff --git a/target/xtensa/exc_helper.c b/target/xtensa/exc_helper.c
index 168419a505..0514c2c1f3 100644
--- a/target/xtensa/exc_helper.c
+++ b/target/xtensa/exc_helper.c
@@ -205,8 +205,7 @@ static void handle_interrupt(CPUXtensaState *env)
 /* Called from cpu_handle_interrupt with BQL held */
 void xtensa_cpu_do_interrupt(CPUState *cs)
 {
-    XtensaCPU *cpu = XTENSA_CPU(cs);
-    CPUXtensaState *env = &cpu->env;
+    CPUXtensaState *env = cpu_env(cs);
 
     if (cs->exception_index == EXC_IRQ) {
         qemu_log_mask(CPU_LOG_INT,
diff --git a/target/xtensa/gdbstub.c b/target/xtensa/gdbstub.c
index 4b3bfb7e59..4748fb6532 100644
--- a/target/xtensa/gdbstub.c
+++ b/target/xtensa/gdbstub.c
@@ -65,8 +65,7 @@ void xtensa_count_regs(const XtensaConfig *config,
 
 int xtensa_cpu_gdb_read_register(CPUState *cs, GByteArray *mem_buf, int n)
 {
-    XtensaCPU *cpu = XTENSA_CPU(cs);
-    CPUXtensaState *env = &cpu->env;
+    CPUXtensaState *env = cpu_env(cs);
     const XtensaGdbReg *reg = env->config->gdb_regmap.reg + n;
 #ifdef CONFIG_USER_ONLY
     int num_regs = env->config->gdb_regmap.num_core_regs;
@@ -120,8 +119,7 @@ int xtensa_cpu_gdb_read_register(CPUState *cs, GByteArray *mem_buf, int n)
 
 int xtensa_cpu_gdb_write_register(CPUState *cs, uint8_t *mem_buf, int n)
 {
-    XtensaCPU *cpu = XTENSA_CPU(cs);
-    CPUXtensaState *env = &cpu->env;
+    CPUXtensaState *env = cpu_env(cs);
     uint32_t tmp;
     const XtensaGdbReg *reg = env->config->gdb_regmap.reg + n;
 #ifdef CONFIG_USER_ONLY
diff --git a/target/xtensa/helper.c b/target/xtensa/helper.c
index a9f8907083..ca214b948a 100644
--- a/target/xtensa/helper.c
+++ b/target/xtensa/helper.c
@@ -217,8 +217,7 @@ static uint32_t check_hw_breakpoints(CPUXtensaState *env)
 
 void xtensa_breakpoint_handler(CPUState *cs)
 {
-    XtensaCPU *cpu = XTENSA_CPU(cs);
-    CPUXtensaState *env = &cpu->env;
+    CPUXtensaState *env = cpu_env(cs);
 
     if (cs->watchpoint_hit) {
         if (cs->watchpoint_hit->flags & BP_CPU) {
@@ -266,8 +265,7 @@ bool xtensa_cpu_tlb_fill(CPUState *cs, vaddr address, int size,
                          MMUAccessType access_type, int mmu_idx,
                          bool probe, uintptr_t retaddr)
 {
-    XtensaCPU *cpu = XTENSA_CPU(cs);
-    CPUXtensaState *env = &cpu->env;
+    CPUXtensaState *env = cpu_env(cs);
     uint32_t paddr;
     uint32_t page_size;
     unsigned access;
@@ -297,8 +295,7 @@ void xtensa_cpu_do_transaction_failed(CPUState *cs, hwaddr physaddr, vaddr addr,
                                       int mmu_idx, MemTxAttrs attrs,
                                       MemTxResult response, uintptr_t retaddr)
 {
-    XtensaCPU *cpu = XTENSA_CPU(cs);
-    CPUXtensaState *env = &cpu->env;
+    CPUXtensaState *env = cpu_env(cs);
 
     cpu_restore_state(cs, retaddr);
     HELPER(exception_cause_vaddr)(env, env->pc,
diff --git a/target/xtensa/translate.c b/target/xtensa/translate.c
index 87947236ca..e646e016df 100644
--- a/target/xtensa/translate.c
+++ b/target/xtensa/translate.c
@@ -1127,10 +1127,9 @@ static void xtensa_tr_init_disas_context(DisasContextBase *dcbase,
                                          CPUState *cpu)
 {
     DisasContext *dc = container_of(dcbase, DisasContext, base);
-    CPUXtensaState *env = cpu_env(cpu);
     uint32_t tb_flags = dc->base.tb->flags;
 
-    dc->config = env->config;
+    dc->config = cpu_env(cpu)->config;
     dc->pc = dc->base.pc_first;
     dc->ring = tb_flags & XTENSA_TBFLAG_RING_MASK;
     dc->cring = (tb_flags & XTENSA_TBFLAG_EXCM) ? 0 : dc->ring;
@@ -1248,8 +1247,7 @@ void gen_intermediate_code(CPUState *cpu, TranslationBlock *tb, int *max_insns,
 
 void xtensa_cpu_dump_state(CPUState *cs, FILE *f, int flags)
 {
-    XtensaCPU *cpu = XTENSA_CPU(cs);
-    CPUXtensaState *env = &cpu->env;
+    CPUXtensaState *env = cpu_env(cs);
     xtensa_isa isa = env->config->isa;
     int i, j;
 
-- 
2.41.0