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Convert umul and smul to TCG 

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4077 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
blueswir1 2008-03-16 19:24:42 +00:00
parent 48d5c82bcc
commit 8879d139bb
2 changed files with 48 additions and 24 deletions
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24
target-sparc/op.c
View File

@ -171,30 +171,6 @@
#define FLAG_SET(x) ((env->psr&x)?1:0)
void OPPROTO op_umul_T1_T0(void)
{
uint64_t res;
res = (uint64_t) T0 * (uint64_t) T1;
#ifdef TARGET_SPARC64
T0 = res;
#else
T0 = res & 0xffffffff;
#endif
env->y = res >> 32;
}
void OPPROTO op_smul_T1_T0(void)
{
uint64_t res;
res = (int64_t) ((int32_t) T0) * (int64_t) ((int32_t) T1);
#ifdef TARGET_SPARC64
T0 = res;
#else
T0 = res & 0xffffffff;
#endif
env->y = res >> 32;
}
void OPPROTO op_udiv_T1_T0(void)
{
uint64_t x0;

48
target-sparc/translate.c
View File

@ -759,6 +759,54 @@ static inline void gen_op_mulscc_T1_T0(void)
gen_cc_C_add(cpu_T[0], cpu_cc_src);
}
static inline void gen_op_umul_T1_T0(void)
{
TCGv r_temp, r_temp2;
r_temp = tcg_temp_new(TCG_TYPE_I64);
r_temp2 = tcg_temp_new(TCG_TYPE_I64);
tcg_gen_extu_i32_i64(r_temp, cpu_T[1]);
tcg_gen_extu_i32_i64(r_temp2, cpu_T[0]);
tcg_gen_mul_i64(r_temp2, r_temp, r_temp2);
tcg_gen_shri_i64(r_temp, r_temp2, 32);
tcg_gen_trunc_i64_i32(r_temp, r_temp);
tcg_gen_st_i32(r_temp, cpu_env, offsetof(CPUSPARCState, y));
#ifdef TARGET_SPARC64
tcg_gen_mov_i64(cpu_T[0], r_temp2);
#else
tcg_gen_trunc_i64_i32(cpu_T[0], r_temp2);
#endif
tcg_gen_discard_i64(r_temp);
tcg_gen_discard_i64(r_temp2);
}
static inline void gen_op_smul_T1_T0(void)
{
TCGv r_temp, r_temp2;
r_temp = tcg_temp_new(TCG_TYPE_I64);
r_temp2 = tcg_temp_new(TCG_TYPE_I64);
tcg_gen_ext32s_i64(r_temp, cpu_T[1]);
tcg_gen_ext32s_i64(r_temp2, cpu_T[0]);
tcg_gen_mul_i64(r_temp2, r_temp, r_temp2);
tcg_gen_shri_i64(r_temp, r_temp2, 32);
tcg_gen_trunc_i64_i32(r_temp, r_temp);
tcg_gen_st_i32(r_temp, cpu_env, offsetof(CPUSPARCState, y));
#ifdef TARGET_SPARC64
tcg_gen_mov_i64(cpu_T[0], r_temp2);
#else
tcg_gen_trunc_i64_i32(cpu_T[0], r_temp2);
#endif
tcg_gen_discard_i64(r_temp);
tcg_gen_discard_i64(r_temp2);
}
#ifdef TARGET_SPARC64
static inline void gen_trap_ifdivzero_i64(TCGv divisor)
{