Make tcg_gen_callN a static function. Create tcg_gen_call[0-7]
functions for use by helper-gen.h.inc.
Removes a multiplicty of calls to __stack_chk_fail, saving up
to 143kiB of .text space as measured on an x86_64 host.
Old New Less %Change
8888680 8741816 146864 1.65% qemu-system-aarch64
5911832 5856152 55680 0.94% qemu-system-riscv64
5816728 5767512 49216 0.85% qemu-system-mips64
6707832 6659144 48688 0.73% qemu-system-ppc64
Signed-off-by: Richard Henderson <richard.hender...@linaro.org>
---
include/exec/helper-gen.h | 40 ++++++++++++++---------------
include/tcg/tcg.h | 14 +++++++++-
tcg/tcg.c | 54 ++++++++++++++++++++++++++++++++++++++-
3 files changed, 86 insertions(+), 22 deletions(-)
diff --git a/include/exec/helper-gen.h b/include/exec/helper-gen.h
index 5a7cdd2ee3..7c93ef70bc 100644
--- a/include/exec/helper-gen.h
+++ b/include/exec/helper-gen.h
@@ -16,7 +16,7 @@
extern TCGHelperInfo glue(helper_info_, name); \
static inline void glue(gen_helper_, name)(dh_retvar_decl0(ret)) \
{ \
- tcg_gen_callN(&glue(helper_info_, name), dh_retvar(ret), 0, NULL); \
+ tcg_gen_call0(&glue(helper_info_, name), dh_retvar(ret)); \
}
#define DEF_HELPER_FLAGS_1(name, flags, ret, t1) \
@@ -24,8 +24,8 @@ extern TCGHelperInfo glue(helper_info_, name);
\
static inline void glue(gen_helper_, name)(dh_retvar_decl(ret) \
dh_arg_decl(t1, 1)) \
{ \
- TCGTemp *args[1] = { dh_arg(t1, 1) }; \
- tcg_gen_callN(&glue(helper_info_, name), dh_retvar(ret), 1, args); \
+ tcg_gen_call1(&glue(helper_info_, name), dh_retvar(ret), \
+ dh_arg(t1, 1)); \
}
#define DEF_HELPER_FLAGS_2(name, flags, ret, t1, t2) \
@@ -33,8 +33,8 @@ extern TCGHelperInfo glue(helper_info_, name);
\
static inline void glue(gen_helper_, name)(dh_retvar_decl(ret) \
dh_arg_decl(t1, 1), dh_arg_decl(t2, 2)) \
{ \
- TCGTemp *args[2] = { dh_arg(t1, 1), dh_arg(t2, 2) }; \
- tcg_gen_callN(&glue(helper_info_, name), dh_retvar(ret), 2, args); \
+ tcg_gen_call2(&glue(helper_info_, name), dh_retvar(ret), \
+ dh_arg(t1, 1), dh_arg(t2, 2)); \
}
#define DEF_HELPER_FLAGS_3(name, flags, ret, t1, t2, t3) \
@@ -42,8 +42,8 @@ extern TCGHelperInfo glue(helper_info_, name);
\
static inline void glue(gen_helper_, name)(dh_retvar_decl(ret) \
dh_arg_decl(t1, 1), dh_arg_decl(t2, 2), dh_arg_decl(t3, 3)) \
{ \
- TCGTemp *args[3] = { dh_arg(t1, 1), dh_arg(t2, 2), dh_arg(t3, 3) }; \
- tcg_gen_callN(&glue(helper_info_, name), dh_retvar(ret), 3, args); \
+ tcg_gen_call3(&glue(helper_info_, name), dh_retvar(ret), \
+ dh_arg(t1, 1), dh_arg(t2, 2), dh_arg(t3, 3)); \
}
#define DEF_HELPER_FLAGS_4(name, flags, ret, t1, t2, t3, t4) \
@@ -52,9 +52,9 @@ static inline void glue(gen_helper_,
name)(dh_retvar_decl(ret) \
dh_arg_decl(t1, 1), dh_arg_decl(t2, 2), \
dh_arg_decl(t3, 3), dh_arg_decl(t4, 4)) \
{ \
- TCGTemp *args[4] = { dh_arg(t1, 1), dh_arg(t2, 2), \
- dh_arg(t3, 3), dh_arg(t4, 4) }; \
- tcg_gen_callN(&glue(helper_info_, name), dh_retvar(ret), 4, args); \
+ tcg_gen_call4(&glue(helper_info_, name), dh_retvar(ret), \
+ dh_arg(t1, 1), dh_arg(t2, 2), \
+ dh_arg(t3, 3), dh_arg(t4, 4)); \
}
#define DEF_HELPER_FLAGS_5(name, flags, ret, t1, t2, t3, t4, t5) \
@@ -63,9 +63,9 @@ static inline void glue(gen_helper_,
name)(dh_retvar_decl(ret) \
dh_arg_decl(t1, 1), dh_arg_decl(t2, 2), dh_arg_decl(t3, 3), \
dh_arg_decl(t4, 4), dh_arg_decl(t5, 5)) \
{ \
- TCGTemp *args[5] = { dh_arg(t1, 1), dh_arg(t2, 2), dh_arg(t3, 3), \
- dh_arg(t4, 4), dh_arg(t5, 5) }; \
- tcg_gen_callN(&glue(helper_info_, name), dh_retvar(ret), 5, args); \
+ tcg_gen_call5(&glue(helper_info_, name), dh_retvar(ret), \
+ dh_arg(t1, 1), dh_arg(t2, 2), dh_arg(t3, 3), \
+ dh_arg(t4, 4), dh_arg(t5, 5)); \
}
#define DEF_HELPER_FLAGS_6(name, flags, ret, t1, t2, t3, t4, t5, t6) \
@@ -74,9 +74,9 @@ static inline void glue(gen_helper_,
name)(dh_retvar_decl(ret) \
dh_arg_decl(t1, 1), dh_arg_decl(t2, 2), dh_arg_decl(t3, 3), \
dh_arg_decl(t4, 4), dh_arg_decl(t5, 5), dh_arg_decl(t6, 6)) \
{ \
- TCGTemp *args[6] = { dh_arg(t1, 1), dh_arg(t2, 2), dh_arg(t3, 3), \
- dh_arg(t4, 4), dh_arg(t5, 5), dh_arg(t6, 6) }; \
- tcg_gen_callN(&glue(helper_info_, name), dh_retvar(ret), 6, args); \
+ tcg_gen_call6(&glue(helper_info_, name), dh_retvar(ret), \
+ dh_arg(t1, 1), dh_arg(t2, 2), dh_arg(t3, 3), \
+ dh_arg(t4, 4), dh_arg(t5, 5), dh_arg(t6, 6)); \
}
#define DEF_HELPER_FLAGS_7(name, flags, ret, t1, t2, t3, t4, t5, t6, t7)\
@@ -86,10 +86,10 @@ static inline void glue(gen_helper_,
name)(dh_retvar_decl(ret) \
dh_arg_decl(t4, 4), dh_arg_decl(t5, 5), dh_arg_decl(t6, 6), \
dh_arg_decl(t7, 7)) \
{ \
- TCGTemp *args[7] = { dh_arg(t1, 1), dh_arg(t2, 2), dh_arg(t3, 3), \
- dh_arg(t4, 4), dh_arg(t5, 5), dh_arg(t6, 6), \
- dh_arg(t7, 7) }; \
- tcg_gen_callN(&glue(helper_info_, name), dh_retvar(ret), 7, args); \
+ tcg_gen_call7(&glue(helper_info_, name), dh_retvar(ret), \
+ dh_arg(t1, 1), dh_arg(t2, 2), dh_arg(t3, 3), \
+ dh_arg(t4, 4), dh_arg(t5, 5), dh_arg(t6, 6), \
+ dh_arg(t7, 7)); \
}
#include "helper.h"
diff --git a/include/tcg/tcg.h b/include/tcg/tcg.h
index 64bc7d985d..567cf8d7ea 100644
--- a/include/tcg/tcg.h
+++ b/include/tcg/tcg.h
@@ -941,7 +941,19 @@ typedef struct TCGTargetOpDef {
bool tcg_op_supported(TCGOpcode op);
-void tcg_gen_callN(TCGHelperInfo *, TCGTemp *ret, int nargs, TCGTemp **args);
+void tcg_gen_call0(TCGHelperInfo *, TCGTemp *ret);
+void tcg_gen_call1(TCGHelperInfo *, TCGTemp *ret, TCGTemp *);
+void tcg_gen_call2(TCGHelperInfo *, TCGTemp *ret, TCGTemp *, TCGTemp *);
+void tcg_gen_call3(TCGHelperInfo *, TCGTemp *ret, TCGTemp *,
+ TCGTemp *, TCGTemp *);
+void tcg_gen_call4(TCGHelperInfo *, TCGTemp *ret, TCGTemp *, TCGTemp *,
+ TCGTemp *, TCGTemp *);
+void tcg_gen_call5(TCGHelperInfo *, TCGTemp *ret, TCGTemp *, TCGTemp *,
+ TCGTemp *, TCGTemp *, TCGTemp *);
+void tcg_gen_call6(TCGHelperInfo *, TCGTemp *ret, TCGTemp *, TCGTemp *,
+ TCGTemp *, TCGTemp *, TCGTemp *, TCGTemp *);
+void tcg_gen_call7(TCGHelperInfo *, TCGTemp *ret, TCGTemp *, TCGTemp *,
+ TCGTemp *, TCGTemp *, TCGTemp *, TCGTemp *, TCGTemp *);
TCGOp *tcg_emit_op(TCGOpcode opc, unsigned nargs);
void tcg_op_remove(TCGContext *s, TCGOp *op);
diff --git a/tcg/tcg.c b/tcg/tcg.c
index 3eb0903445..1c88c3ab54 100644
--- a/tcg/tcg.c
+++ b/tcg/tcg.c
@@ -2032,7 +2032,7 @@ bool tcg_op_supported(TCGOpcode op)
static TCGOp *tcg_op_alloc(TCGOpcode opc, unsigned nargs);
-void tcg_gen_callN(TCGHelperInfo *info, TCGTemp *ret, int nargs, TCGTemp
**args)
+static void tcg_gen_callN(TCGHelperInfo *info, TCGTemp *ret, TCGTemp **args)
{
TCGv_i64 extend_free[MAX_CALL_IARGS];
int n_extend = 0;
@@ -2122,6 +2122,58 @@ void tcg_gen_callN(TCGHelperInfo *info, TCGTemp *ret,
int nargs, TCGTemp **args)
}
}
+void tcg_gen_call0(TCGHelperInfo *info, TCGTemp *ret)
+{
+ tcg_gen_callN(info, ret, NULL);
+}
+
+void tcg_gen_call1(TCGHelperInfo *info, TCGTemp *ret, TCGTemp *t1)
+{
+ tcg_gen_callN(info, ret, &t1);
+}
+
+void tcg_gen_call2(TCGHelperInfo *info, TCGTemp *ret, TCGTemp *t1, TCGTemp *t2)
+{
+ TCGTemp *args[2] = { t1, t2 };
+ tcg_gen_callN(info, ret, args);
+}
+
+void tcg_gen_call3(TCGHelperInfo *info, TCGTemp *ret, TCGTemp *t1,
+ TCGTemp *t2, TCGTemp *t3)
+{
+ TCGTemp *args[3] = { t1, t2, t3 };
+ tcg_gen_callN(info, ret, args);
+}
+
+void tcg_gen_call4(TCGHelperInfo *info, TCGTemp *ret, TCGTemp *t1,
+ TCGTemp *t2, TCGTemp *t3, TCGTemp *t4)
+{
+ TCGTemp *args[4] = { t1, t2, t3, t4 };
+ tcg_gen_callN(info, ret, args);
+}
+
+void tcg_gen_call5(TCGHelperInfo *info, TCGTemp *ret, TCGTemp *t1,
+ TCGTemp *t2, TCGTemp *t3, TCGTemp *t4, TCGTemp *t5)
+{
+ TCGTemp *args[5] = { t1, t2, t3, t4, t5 };
+ tcg_gen_callN(info, ret, args);
+}
+
+void tcg_gen_call6(TCGHelperInfo *info, TCGTemp *ret, TCGTemp *t1, TCGTemp *t2,
+ TCGTemp *t3, TCGTemp *t4, TCGTemp *t5, TCGTemp *t6)
+{
+ TCGTemp *args[6] = { t1, t2, t3, t4, t5, t6 };
+ tcg_gen_callN(info, ret, args);
+}
+
+void tcg_gen_call7(TCGHelperInfo *info, TCGTemp *ret, TCGTemp *t1,
+ TCGTemp *t2, TCGTemp *t3, TCGTemp *t4,
+ TCGTemp *t5, TCGTemp *t6, TCGTemp *t7)
+{
+ TCGTemp *args[7] = { t1, t2, t3, t4, t5, t6, t7 };
+ tcg_gen_callN(info, ret, args);
+}
+
static void tcg_reg_alloc_start(TCGContext *s)
{
int i, n;
--
2.34.1
