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target-sparc: Add gen_load/store/dest_gpr

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Infrastructure to be used to clean up handling of temporaries.

Signed-off-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
This commit is contained in:
Richard Henderson 2012-10-16 19:32:12 +10:00 committed by Blue Swirl
parent 74d590c8e9
commit 8802361689
1 changed files with 52 additions and 0 deletions
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52
target-sparc/translate.c
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@ -83,7 +83,9 @@ typedef struct DisasContext {
struct TranslationBlock *tb;
sparc_def_t *def;
TCGv_i32 t32[3];
TCGv ttl[5];
int n_t32;
int n_ttl;
} DisasContext;
typedef struct {
@ -263,6 +265,49 @@ static inline void gen_address_mask(DisasContext *dc, TCGv addr)
#endif
}
static inline TCGv get_temp_tl(DisasContext *dc)
{
TCGv t;
assert(dc->n_ttl < ARRAY_SIZE(dc->ttl));
dc->ttl[dc->n_ttl++] = t = tcg_temp_new();
return t;
}
static inline TCGv gen_load_gpr(DisasContext *dc, int reg)
{
if (reg == 0 || reg >= 8) {
TCGv t = get_temp_tl(dc);
if (reg == 0) {
tcg_gen_movi_tl(t, 0);
} else {
tcg_gen_ld_tl(t, cpu_regwptr, (reg - 8) * sizeof(target_ulong));
}
return t;
} else {
return cpu_gregs[reg];
}
}
static inline void gen_store_gpr(DisasContext *dc, int reg, TCGv v)
{
if (reg > 0) {
if (reg < 8) {
tcg_gen_mov_tl(cpu_gregs[reg], v);
} else {
tcg_gen_st_tl(v, cpu_regwptr, (reg - 8) * sizeof(target_ulong));
}
}
}
static inline TCGv gen_dest_gpr(DisasContext *dc, int reg)
{
if (reg == 0 || reg >= 8) {
return get_temp_tl(dc);
} else {
return cpu_gregs[reg];
}
}
static inline void gen_movl_reg_TN(int reg, TCGv tn)
{
if (reg == 0)
@ -5229,6 +5274,13 @@ static void disas_sparc_insn(DisasContext * dc, unsigned int insn)
}
dc->n_t32 = 0;
}
if (dc->n_ttl != 0) {
int i;
for (i = dc->n_ttl - 1; i >= 0; --i) {
tcg_temp_free(dc->ttl[i]);
}
dc->n_ttl = 0;
}
}
static inline void gen_intermediate_code_internal(TranslationBlock * tb,