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Use a TCG global for fsr 

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4068 c046a42c-6fe2-441c-8c8c-71466251a162
master
blueswir1 2008-03-15 18:12:11 +00:00
parent bb5529bb62
commit 87e92502c6
1 changed files with 22 additions and 27 deletions
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49
target-sparc/translate.c
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@ -46,8 +46,8 @@
according to jump_pc[T2] */
/* 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];
static TCGv cpu_env, cpu_T[3], cpu_regwptr, cpu_cc_src, cpu_cc_dst;
static TCGv cpu_psr, cpu_fsr, cpu_gregs[8];
#ifdef TARGET_SPARC64
static TCGv cpu_xcc;
#endif
@ -1269,12 +1269,8 @@ static inline void gen_cond(TCGv r_dst, unsigned int cc, unsigned int cond)
static inline void gen_fcond(TCGv r_dst, unsigned int cc, unsigned int cond)
{
TCGv r_src;
unsigned int offset;
r_src = tcg_temp_new(TCG_TYPE_TL);
tcg_gen_ld_tl(r_src, cpu_env, offsetof(CPUSPARCState, fsr));
switch (cc) {
default:
case 0x0:
@ -1296,49 +1292,49 @@ static inline void gen_fcond(TCGv r_dst, unsigned int cc, unsigned int cond)
gen_op_eval_bn(r_dst);
break;
case 0x1:
gen_op_eval_fbne(r_dst, r_src, offset);
gen_op_eval_fbne(r_dst, cpu_fsr, offset);
break;
case 0x2:
gen_op_eval_fblg(r_dst, r_src, offset);
gen_op_eval_fblg(r_dst, cpu_fsr, offset);
break;
case 0x3:
gen_op_eval_fbul(r_dst, r_src, offset);
gen_op_eval_fbul(r_dst, cpu_fsr, offset);
break;
case 0x4:
gen_op_eval_fbl(r_dst, r_src, offset);
gen_op_eval_fbl(r_dst, cpu_fsr, offset);
break;
case 0x5:
gen_op_eval_fbug(r_dst, r_src, offset);
gen_op_eval_fbug(r_dst, cpu_fsr, offset);
break;
case 0x6:
gen_op_eval_fbg(r_dst, r_src, offset);
gen_op_eval_fbg(r_dst, cpu_fsr, offset);
break;
case 0x7:
gen_op_eval_fbu(r_dst, r_src, offset);
gen_op_eval_fbu(r_dst, cpu_fsr, offset);
break;
case 0x8:
gen_op_eval_ba(r_dst);
break;
case 0x9:
gen_op_eval_fbe(r_dst, r_src, offset);
gen_op_eval_fbe(r_dst, cpu_fsr, offset);
break;
case 0xa:
gen_op_eval_fbue(r_dst, r_src, offset);
gen_op_eval_fbue(r_dst, cpu_fsr, offset);
break;
case 0xb:
gen_op_eval_fbge(r_dst, r_src, offset);
gen_op_eval_fbge(r_dst, cpu_fsr, offset);
break;
case 0xc:
gen_op_eval_fbuge(r_dst, r_src, offset);
gen_op_eval_fbuge(r_dst, cpu_fsr, offset);
break;
case 0xd:
gen_op_eval_fble(r_dst, r_src, offset);
gen_op_eval_fble(r_dst, cpu_fsr, offset);
break;
case 0xe:
gen_op_eval_fbule(r_dst, r_src, offset);
gen_op_eval_fbule(r_dst, cpu_fsr, offset);
break;
case 0xf:
gen_op_eval_fbo(r_dst, r_src, offset);
gen_op_eval_fbo(r_dst, cpu_fsr, offset);
break;
}
}
@ -1588,10 +1584,8 @@ static inline void gen_op_fcmpeq(int fccno)
static inline void gen_op_fpexception_im(int fsr_flags)
{
tcg_gen_ld_tl(cpu_tmp0, cpu_env, offsetof(CPUSPARCState, fsr));
tcg_gen_andi_tl(cpu_tmp0, cpu_tmp0, ~FSR_FTT_MASK);
tcg_gen_ori_tl(cpu_tmp0, cpu_tmp0, fsr_flags);
tcg_gen_st_tl(cpu_tmp0, cpu_env, offsetof(CPUSPARCState, fsr));
tcg_gen_andi_tl(cpu_fsr, cpu_fsr, ~FSR_FTT_MASK);
tcg_gen_ori_tl(cpu_fsr, cpu_fsr, fsr_flags);
gen_op_exception(TT_FP_EXCP);
}
@ -1610,9 +1604,7 @@ static int gen_trap_ifnofpu(DisasContext * dc)
static inline void gen_op_clear_ieee_excp_and_FTT(void)
{
tcg_gen_ld_tl(cpu_tmp0, cpu_env, offsetof(CPUSPARCState, fsr));
tcg_gen_andi_tl(cpu_tmp0, cpu_tmp0, ~(FSR_FTT_MASK | FSR_CEXC_MASK));
tcg_gen_st_tl(cpu_tmp0, cpu_env, offsetof(CPUSPARCState, fsr));
tcg_gen_andi_tl(cpu_fsr, cpu_fsr, ~(FSR_FTT_MASK | FSR_CEXC_MASK));
}
static inline void gen_clear_float_exceptions(void)
@ -4769,6 +4761,9 @@ CPUSPARCState *cpu_sparc_init(const char *cpu_model)
cpu_psr = tcg_global_mem_new(TCG_TYPE_I32,
TCG_AREG0, offsetof(CPUState, psr),
"psr");
cpu_fsr = tcg_global_mem_new(TCG_TYPE_TL,
TCG_AREG0, offsetof(CPUState, fsr),
"fsr");
for (i = 1; i < 8; i++)
cpu_gregs[i] = tcg_global_mem_new(TCG_TYPE_TL, TCG_AREG0,
offsetof(CPUState, gregs[i]),