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TCG: improve optimizer debugging 

Use enum TCGOpcode instead of plain old int so that the name of
current op can be seen in GDB. Add a default case to switch
so that GCC does not complain about unhandled enum cases.

Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
This commit is contained in:
Blue Swirl 2011-07-30 19:18:32 +00:00
parent e5b34f3779
commit fe0de7aa5e
1 changed files with 9 additions and 6 deletions
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15
tcg/optimize.c
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@ -87,13 +87,13 @@ static void reset_temp(TCGArg temp, int nb_temps, int nb_globals)
}
}
static int op_bits(enum TCGOpcode op)
static int op_bits(TCGOpcode op)
{
const TCGOpDef *def = &tcg_op_defs[op];
return def->flags & TCG_OPF_64BIT ? 64 : 32;
}
static int op_to_movi(int op)
static TCGOpcode op_to_movi(TCGOpcode op)
{
switch (op_bits(op)) {
case 32:
@ -143,7 +143,7 @@ static void tcg_opt_gen_movi(TCGArg *gen_args, TCGArg dst, TCGArg val,
gen_args[1] = val;
}
static int op_to_mov(int op)
static TCGOpcode op_to_mov(TCGOpcode op)
{
switch (op_bits(op)) {
case 32:
@ -157,7 +157,7 @@ static int op_to_mov(int op)
}
}
static TCGArg do_constant_folding_2(int op, TCGArg x, TCGArg y)
static TCGArg do_constant_folding_2(TCGOpcode op, TCGArg x, TCGArg y)
{
switch (op) {
CASE_OP_32_64(add):
@ -258,7 +258,7 @@ static TCGArg do_constant_folding_2(int op, TCGArg x, TCGArg y)
}
}
static TCGArg do_constant_folding(int op, TCGArg x, TCGArg y)
static TCGArg do_constant_folding(TCGOpcode op, TCGArg x, TCGArg y)
{
TCGArg res = do_constant_folding_2(op, x, y);
if (op_bits(op) == 32) {
@ -271,7 +271,8 @@ static TCGArg do_constant_folding(int op, TCGArg x, TCGArg y)
static TCGArg *tcg_constant_folding(TCGContext *s, uint16_t *tcg_opc_ptr,
TCGArg *args, TCGOpDef *tcg_op_defs)
{
int i, nb_ops, op_index, op, nb_temps, nb_globals, nb_call_args;
int i, nb_ops, op_index, nb_temps, nb_globals, nb_call_args;
TCGOpcode op;
const TCGOpDef *def;
TCGArg *gen_args;
TCGArg tmp;
@ -377,6 +378,8 @@ static TCGArg *tcg_constant_folding(TCGContext *s, uint16_t *tcg_opc_ptr,
continue;
}
break;
default:
break;
}
/* Propagate constants through copy operations and do constant