Merge remote-tracking branch 'remotes/rth/tags/pull-tcg-20171025' into staging

TCG patch queue

# gpg: Signature made Wed 25 Oct 2017 10:30:18 BST
# gpg:                using RSA key 0x64DF38E8AF7E215F
# gpg: Good signature from "Richard Henderson <richard.henderson@linaro.org>"
# Primary key fingerprint: 7A48 1E78 868B 4DB6 A85A  05C0 64DF 38E8 AF7E 215F

* remotes/rth/tags/pull-tcg-20171025: (51 commits)
  translate-all: exit from tb_phys_invalidate if qht_remove fails
  tcg: Initialize cpu_env generically
  tcg: enable multiple TCG contexts in softmmu
  tcg: introduce regions to split code_gen_buffer
  translate-all: use qemu_protect_rwx/none helpers
  osdep: introduce qemu_mprotect_rwx/none
  tcg: allocate optimizer temps with tcg_malloc
  tcg: distribute profiling counters across TCGContext's
  tcg: introduce **tcg_ctxs to keep track of all TCGContext's
  gen-icount: fold exitreq_label into TCGContext
  tcg: define tcg_init_ctx and make tcg_ctx a pointer
  tcg: take tb_ctx out of TCGContext
  translate-all: report correct avg host TB size
  exec-all: rename tb_free to tb_remove
  translate-all: use a binary search tree to track TBs in TBContext
  tcg: Remove CF_IGNORE_ICOUNT
  tcg: Add CF_LAST_IO + CF_USE_ICOUNT to CF_HASH_MASK
  cpu-exec: lookup/generate TB outside exclusive region during step_atomic
  tcg: check CF_PARALLEL instead of parallel_cpus
  target/sparc: check CF_PARALLEL instead of parallel_cpus
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

1 files changed, 25 insertions, 15 deletions

diff --git a/target/s390x/translate.c b/target/s390x/translate.c
index 6ecf764a98..55db8f3446 100644
--- a/target/s390x/translate.c
+++ b/target/s390x/translate.c
@@ -37,10 +37,6 @@
 #include "qemu/log.h"
 #include "qemu/host-utils.h"
 #include "exec/cpu_ldst.h"
-
-/* global register indexes */
-static TCGv_env cpu_env;
-
 #include "exec/gen-icount.h"
 #include "exec/helper-proto.h"
 #include "exec/helper-gen.h"
@@ -112,8 +108,6 @@ void s390x_translate_init(void)
 {
     int i;
 
-    cpu_env = tcg_global_reg_new_ptr(TCG_AREG0, "env");
-    tcg_ctx.tcg_env = cpu_env;
     psw_addr = tcg_global_mem_new_i64(cpu_env,
                                       offsetof(CPUS390XState, psw.addr),
                                       "psw_addr");
@@ -554,7 +548,7 @@ static void gen_op_calc_cc(DisasContext *s)
 static bool use_exit_tb(DisasContext *s)
 {
     return (s->singlestep_enabled ||
-            (s->tb->cflags & CF_LAST_IO) ||
+            (tb_cflags(s->tb) & CF_LAST_IO) ||
             (s->tb->flags & FLAG_MASK_PER));
 }
 
@@ -1966,7 +1960,11 @@ static ExitStatus op_cdsg(DisasContext *s, DisasOps *o)
     addr = get_address(s, 0, b2, d2);
     t_r1 = tcg_const_i32(r1);
     t_r3 = tcg_const_i32(r3);
-    gen_helper_cdsg(cpu_env, addr, t_r1, t_r3);
+    if (tb_cflags(s->tb) & CF_PARALLEL) {
+        gen_helper_cdsg_parallel(cpu_env, addr, t_r1, t_r3);
+    } else {
+        gen_helper_cdsg(cpu_env, addr, t_r1, t_r3);
+    }
     tcg_temp_free_i64(addr);
     tcg_temp_free_i32(t_r1);
     tcg_temp_free_i32(t_r3);
@@ -1980,7 +1978,11 @@ static ExitStatus op_csst(DisasContext *s, DisasOps *o)
     int r3 = get_field(s->fields, r3);
     TCGv_i32 t_r3 = tcg_const_i32(r3);
 
-    gen_helper_csst(cc_op, cpu_env, t_r3, o->in1, o->in2);
+    if (tb_cflags(s->tb) & CF_PARALLEL) {
+        gen_helper_csst_parallel(cc_op, cpu_env, t_r3, o->in1, o->in2);
+    } else {
+        gen_helper_csst(cc_op, cpu_env, t_r3, o->in1, o->in2);
+    }
     tcg_temp_free_i32(t_r3);
 
     set_cc_static(s);
@@ -2939,7 +2941,7 @@ static ExitStatus op_lpd(DisasContext *s, DisasOps *o)
     TCGMemOp mop = s->insn->data;
 
     /* In a parallel context, stop the world and single step.  */
-    if (parallel_cpus) {
+    if (tb_cflags(s->tb) & CF_PARALLEL) {
         potential_page_fault(s);
         gen_exception(EXCP_ATOMIC);
         return EXIT_NORETURN;
@@ -2960,7 +2962,11 @@ static ExitStatus op_lpd(DisasContext *s, DisasOps *o)
 
 static ExitStatus op_lpq(DisasContext *s, DisasOps *o)
 {
-    gen_helper_lpq(o->out, cpu_env, o->in2);
+    if (tb_cflags(s->tb) & CF_PARALLEL) {
+        gen_helper_lpq_parallel(o->out, cpu_env, o->in2);
+    } else {
+        gen_helper_lpq(o->out, cpu_env, o->in2);
+    }
     return_low128(o->out2);
     return NO_EXIT;
 }
@@ -4281,7 +4287,11 @@ static ExitStatus op_stmh(DisasContext *s, DisasOps *o)
 
 static ExitStatus op_stpq(DisasContext *s, DisasOps *o)
 {
-    gen_helper_stpq(cpu_env, o->in2, o->out2, o->out);
+    if (tb_cflags(s->tb) & CF_PARALLEL) {
+        gen_helper_stpq_parallel(cpu_env, o->in2, o->out2, o->out);
+    } else {
+        gen_helper_stpq(cpu_env, o->in2, o->out2, o->out);
+    }
     return NO_EXIT;
 }
 
@@ -5883,7 +5893,7 @@ void gen_intermediate_code(CPUState *cs, struct TranslationBlock *tb)
     next_page_start = (pc_start & TARGET_PAGE_MASK) + TARGET_PAGE_SIZE;
 
     num_insns = 0;
-    max_insns = tb->cflags & CF_COUNT_MASK;
+    max_insns = tb_cflags(tb) & CF_COUNT_MASK;
     if (max_insns == 0) {
         max_insns = CF_COUNT_MASK;
     }
@@ -5908,7 +5918,7 @@ void gen_intermediate_code(CPUState *cs, struct TranslationBlock *tb)
             break;
         }
 
-        if (num_insns == max_insns && (tb->cflags & CF_LAST_IO)) {
+        if (num_insns == max_insns && (tb_cflags(tb) & CF_LAST_IO)) {
             gen_io_start();
         }
 
@@ -5927,7 +5937,7 @@ void gen_intermediate_code(CPUState *cs, struct TranslationBlock *tb)
         }
     } while (status == NO_EXIT);
 
-    if (tb->cflags & CF_LAST_IO) {
+    if (tb_cflags(tb) & CF_LAST_IO) {
         gen_io_end();
     }