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Use memory globals for G registers

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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4062 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
blueswir1 2008-03-14 17:35:02 +00:00
parent 2e0ded9c7c
commit f5069b26a4
1 changed files with 18 additions and 2 deletions
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20
target-sparc/translate.c
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@ -47,6 +47,7 @@
/* global register indexes */
static TCGv cpu_env, cpu_T[3], cpu_regwptr, cpu_cc_src, cpu_cc_dst, cpu_psr;
static TCGv cpu_gregs[8];
#ifdef TARGET_SPARC64
static TCGv cpu_xcc;
#endif
@ -222,7 +223,7 @@ static inline void gen_movl_reg_TN(int reg, TCGv tn)
if (reg == 0)
tcg_gen_movi_tl(tn, 0);
else if (reg < 8)
tcg_gen_ld_tl(tn, cpu_env, offsetof(CPUState, gregs[reg]));
tcg_gen_mov_tl(tn, cpu_gregs[reg]);
else {
tcg_gen_ld_tl(tn, cpu_regwptr, (reg - 8) * sizeof(target_ulong));
}
@ -250,7 +251,7 @@ static inline void gen_movl_TN_reg(int reg, TCGv tn)
if (reg == 0)
return;
else if (reg < 8)
tcg_gen_st_tl(tn, cpu_env, offsetof(CPUState, gregs[reg]));
tcg_gen_mov_tl(cpu_gregs[reg], tn);
else {
tcg_gen_st_tl(tn, cpu_regwptr, (reg - 8) * sizeof(target_ulong));
}
@ -4673,6 +4674,17 @@ CPUSPARCState *cpu_sparc_init(const char *cpu_model)
CPUSPARCState *env;
const sparc_def_t *def;
static int inited;
unsigned int i;
static const char * const gregnames[8] = {
NULL, // g0 not used
"g1",
"g2",
"g3",
"g4",
"g5",
"g6",
"g7",
};
def = cpu_sparc_find_by_name(cpu_model);
if (!def)
@ -4729,6 +4741,10 @@ CPUSPARCState *cpu_sparc_init(const char *cpu_model)
cpu_psr = tcg_global_mem_new(TCG_TYPE_I32,
TCG_AREG0, offsetof(CPUState, psr),
"psr");
for (i = 1; i < 8; i++)
cpu_gregs[i] = tcg_global_mem_new(TCG_TYPE_TL, TCG_AREG0,
offsetof(CPUState, gregs[i]),
gregnames[i]);
}
cpu_reset(env);