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Queued TCG patches

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Merge remote-tracking branch 'remotes/rth/tags/pull-tcg-20170619' into staging

Queued TCG patches

# gpg: Signature made Mon 19 Jun 2017 19:12:06 BST
# gpg:                using RSA key 0xAD1270CC4DD0279B
# gpg: Good signature from "Richard Henderson <rth7680@gmail.com>"
# gpg:                 aka "Richard Henderson <rth@redhat.com>"
# gpg:                 aka "Richard Henderson <rth@twiddle.net>"
# Primary key fingerprint: 9CB1 8DDA F8E8 49AD 2AFC  16A4 AD12 70CC 4DD0 279B

* remotes/rth/tags/pull-tcg-20170619:
  target/arm: Exit after clearing aarch64 interrupt mask
  target/s390x: Exit after changing PSW mask
  target/alpha: Use tcg_gen_lookup_and_goto_ptr
  tcg: Increase hit rate of lookup_tb_ptr
  tcg/arm: Use ldr (literal) for goto_tb
  tcg/arm: Try pc-relative addresses for movi
  tcg/arm: Remove limit on code buffer size
  tcg/arm: Use indirect branch for goto_tb
  tcg/aarch64: Use ADR in tcg_out_movi
  translate-all: consolidate tb init in tb_gen_code
  tcg: allocate TB structs before the corresponding translated code
  util: add cacheinfo

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Peter Maydell 2017-06-22 10:25:03 +01:00
commit db7a99cdc1
15 changed files with 343 additions and 150 deletions
Download patch file Download diff file Expand all files Collapse all files

26
tcg/tcg-runtime.c
View file

@ -149,23 +149,23 @@ void *HELPER(lookup_tb_ptr)(CPUArchState *env, target_ulong addr)
CPUState *cpu = ENV_GET_CPU(env);
TranslationBlock *tb;
target_ulong cs_base, pc;
uint32_t flags;
uint32_t flags, addr_hash;
tb = atomic_rcu_read(&cpu->tb_jmp_cache[tb_jmp_cache_hash_func(addr)]);
if (likely(tb)) {
cpu_get_tb_cpu_state(env, &pc, &cs_base, &flags);
if (likely(tb->pc == addr && tb->cs_base == cs_base &&
tb->flags == flags)) {
goto found;
}
addr_hash = tb_jmp_cache_hash_func(addr);
tb = atomic_rcu_read(&cpu->tb_jmp_cache[addr_hash]);
cpu_get_tb_cpu_state(env, &pc, &cs_base, &flags);
if (unlikely(!(tb
&& tb->pc == addr
&& tb->cs_base == cs_base
&& tb->flags == flags))) {
tb = tb_htable_lookup(cpu, addr, cs_base, flags);
if (likely(tb)) {
atomic_set(&cpu->tb_jmp_cache[tb_jmp_cache_hash_func(addr)], tb);
goto found;
if (!tb) {
return tcg_ctx.code_gen_epilogue;
}
atomic_set(&cpu->tb_jmp_cache[addr_hash], tb);
}
return tcg_ctx.code_gen_epilogue;
found:
qemu_log_mask_and_addr(CPU_LOG_EXEC, addr,
"Chain %p [%d: " TARGET_FMT_lx "] %s\n",
tb->tc_ptr, cpu->cpu_index, addr,