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tcg: Split tcg_gen_callN

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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

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2023-03-29 22:14:36 -07:00
parent 177f648f0e
commit a3a692b8bf
3 changed files with 86 additions and 22 deletions
Download patch file Download diff file Expand all files Collapse all files

54
tcg/tcg.c
View file

@ -2127,7 +2127,7 @@ 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;
@ -2217,6 +2217,58 @@ 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;