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Convert addx 

Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
This commit is contained in:
Blue Swirl 2009-05-10 07:19:22 +00:00
parent bdf9f35dad
commit 789c91ef39
2 changed files with 50 additions and 31 deletions
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44
target-sparc/op_helper.c
View File

@ -860,6 +860,48 @@ static uint32_t compute_C_add_xcc(void)
}
#endif
static uint32_t compute_all_addx(void)
{
uint32_t ret;
ret = get_NZ_icc(CC_DST);
ret |= get_C_add_icc(CC_DST - CC_SRC2, CC_SRC);
ret |= get_C_add_icc(CC_DST, CC_SRC);
ret |= get_V_add_icc(CC_DST, CC_SRC, CC_SRC2);
return ret;
}
static uint32_t compute_C_addx(void)
{
uint32_t ret;
ret = get_C_add_icc(CC_DST - CC_SRC2, CC_SRC);
ret |= get_C_add_icc(CC_DST, CC_SRC);
return ret;
}
#ifdef TARGET_SPARC64
static uint32_t compute_all_addx_xcc(void)
{
uint32_t ret;
ret = get_NZ_xcc(CC_DST);
ret |= get_C_add_xcc(CC_DST - CC_SRC2, CC_SRC);
ret |= get_C_add_xcc(CC_DST, CC_SRC);
ret |= get_V_add_xcc(CC_DST, CC_SRC, CC_SRC2);
return ret;
}
static uint32_t compute_C_addx_xcc(void)
{
uint32_t ret;
ret = get_C_add_xcc(CC_DST - CC_SRC2, CC_SRC);
ret |= get_C_add_xcc(CC_DST, CC_SRC);
return ret;
}
#endif
typedef struct CCTable {
uint32_t (*compute_all)(void); /* return all the flags */
uint32_t (*compute_c)(void); /* return the C flag */
@ -869,6 +911,7 @@ static const CCTable icc_table[CC_OP_NB] = {
/* CC_OP_DYNAMIC should never happen */
[CC_OP_FLAGS] = { compute_all_flags, compute_C_flags },
[CC_OP_ADD] = { compute_all_add, compute_C_add },
[CC_OP_ADDX] = { compute_all_addx, compute_C_addx },
};
#ifdef TARGET_SPARC64
@ -876,6 +919,7 @@ static const CCTable xcc_table[CC_OP_NB] = {
/* CC_OP_DYNAMIC should never happen */
[CC_OP_FLAGS] = { compute_all_flags_xcc, compute_C_flags_xcc },
[CC_OP_ADD] = { compute_all_add_xcc, compute_C_add_xcc },
[CC_OP_ADDX] = { compute_all_addx_xcc, compute_C_addx_xcc },
};
#endif

37
target-sparc/translate.c
View File

@ -475,33 +475,14 @@ static inline void gen_op_add_cc(TCGv dst, TCGv src1, TCGv src2)
tcg_gen_mov_tl(dst, cpu_cc_dst);
}
static inline void gen_op_addx_cc2(TCGv dst)
{
gen_cc_NZ_icc(cpu_cc_dst);
gen_cc_C_add_icc(cpu_cc_dst, cpu_cc_src);
gen_cc_V_add_icc(cpu_cc_dst, cpu_cc_src, cpu_cc_src2);
#ifdef TARGET_SPARC64
gen_cc_NZ_xcc(cpu_cc_dst);
gen_cc_C_add_xcc(cpu_cc_dst, cpu_cc_src);
gen_cc_V_add_xcc(cpu_cc_dst, cpu_cc_src, cpu_cc_src2);
#endif
tcg_gen_mov_tl(dst, cpu_cc_dst);
}
static inline void gen_op_addxi_cc(TCGv dst, TCGv src1, target_long src2)
{
tcg_gen_mov_tl(cpu_cc_src, src1);
tcg_gen_movi_tl(cpu_cc_src2, src2);
gen_mov_reg_C(cpu_tmp0, cpu_psr);
tcg_gen_add_tl(cpu_cc_dst, cpu_cc_src, cpu_tmp0);
gen_cc_clear_icc();
gen_cc_C_add_icc(cpu_cc_dst, cpu_cc_src);
#ifdef TARGET_SPARC64
gen_cc_clear_xcc();
gen_cc_C_add_xcc(cpu_cc_dst, cpu_cc_src);
#endif
tcg_gen_addi_tl(cpu_cc_dst, cpu_cc_dst, src2);
gen_op_addx_cc2(dst);
tcg_gen_mov_tl(dst, cpu_cc_dst);
}
static inline void gen_op_addx_cc(TCGv dst, TCGv src1, TCGv src2)
@ -510,14 +491,8 @@ static inline void gen_op_addx_cc(TCGv dst, TCGv src1, TCGv src2)
tcg_gen_mov_tl(cpu_cc_src2, src2);
gen_mov_reg_C(cpu_tmp0, cpu_psr);
tcg_gen_add_tl(cpu_cc_dst, cpu_cc_src, cpu_tmp0);
gen_cc_clear_icc();
gen_cc_C_add_icc(cpu_cc_dst, cpu_cc_src);
#ifdef TARGET_SPARC64
gen_cc_clear_xcc();
gen_cc_C_add_xcc(cpu_cc_dst, cpu_cc_src);
#endif
tcg_gen_add_tl(cpu_cc_dst, cpu_cc_dst, cpu_cc_src2);
gen_op_addx_cc2(dst);
tcg_gen_mov_tl(dst, cpu_cc_dst);
}
static inline void gen_op_tadd_cc(TCGv dst, TCGv src1, TCGv src2)
@ -3258,8 +3233,8 @@ static void disas_sparc_insn(DisasContext * dc)
if (xop & 0x10) {
gen_helper_compute_psr();
gen_op_addxi_cc(cpu_dst, cpu_src1, simm);
tcg_gen_movi_i32(cpu_cc_op, CC_OP_FLAGS);
dc->cc_op = CC_OP_FLAGS;
tcg_gen_movi_i32(cpu_cc_op, CC_OP_ADDX);
dc->cc_op = CC_OP_ADDX;
} else {
gen_helper_compute_psr();
gen_mov_reg_C(cpu_tmp0, cpu_psr);
@ -3270,8 +3245,8 @@ static void disas_sparc_insn(DisasContext * dc)
if (xop & 0x10) {
gen_helper_compute_psr();
gen_op_addx_cc(cpu_dst, cpu_src1, cpu_src2);
tcg_gen_movi_i32(cpu_cc_op, CC_OP_FLAGS);
dc->cc_op = CC_OP_FLAGS;
tcg_gen_movi_i32(cpu_cc_op, CC_OP_ADDX);
dc->cc_op = CC_OP_ADDX;
} else {
gen_helper_compute_psr();
gen_mov_reg_C(cpu_tmp0, cpu_psr);