target-sparc: Use gen_load_gpr in get_src[12]

This means we can avoid the incoming temporary, though the cleanup
of the existing temporaries is not performed in this patch.

Signed-off-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
master
Richard Henderson 2012-10-16 19:32:14 +10:00 committed by Blue Swirl
parent 97ea285917
commit 9d1d4e342c
1 changed files with 29 additions and 46 deletions

View File

@ -2248,40 +2248,23 @@ static inline void gen_ldstub_asi(TCGv dst, TCGv addr, int insn)
}
#endif
static inline TCGv get_src1(unsigned int insn, TCGv def)
static TCGv get_src1(DisasContext *dc, unsigned int insn)
{
TCGv r_rs1 = def;
unsigned int rs1;
rs1 = GET_FIELD(insn, 13, 17);
if (rs1 == 0) {
tcg_gen_movi_tl(def, 0);
} else if (rs1 < 8) {
r_rs1 = cpu_gregs[rs1];
} else {
tcg_gen_ld_tl(def, cpu_regwptr, (rs1 - 8) * sizeof(target_ulong));
}
return r_rs1;
unsigned int rs1 = GET_FIELD(insn, 13, 17);
return gen_load_gpr(dc, rs1);
}
static inline TCGv get_src2(unsigned int insn, TCGv def)
static TCGv get_src2(DisasContext *dc, unsigned int insn)
{
TCGv r_rs2 = def;
if (IS_IMM) { /* immediate */
target_long simm = GET_FIELDs(insn, 19, 31);
tcg_gen_movi_tl(def, simm);
} else { /* register */
TCGv t = get_temp_tl(dc);
tcg_gen_movi_tl(t, simm);
return t;
} else { /* register */
unsigned int rs2 = GET_FIELD(insn, 27, 31);
if (rs2 == 0) {
tcg_gen_movi_tl(def, 0);
} else if (rs2 < 8) {
r_rs2 = cpu_gregs[rs2];
} else {
tcg_gen_ld_tl(def, cpu_regwptr, (rs2 - 8) * sizeof(target_ulong));
}
return gen_load_gpr(dc, rs2);
}
return r_rs2;
}
#ifdef TARGET_SPARC64
@ -2560,7 +2543,7 @@ static void disas_sparc_insn(DisasContext * dc, unsigned int insn)
(GET_FIELD_SP(insn, 20, 21) << 14);
target = sign_extend(target, 16);
target <<= 2;
cpu_src1 = get_src1(insn, cpu_src1);
cpu_src1 = get_src1(dc, insn);
do_branch_reg(dc, target, insn, cpu_src1);
goto jmp_insn;
}
@ -3187,7 +3170,7 @@ static void disas_sparc_insn(DisasContext * dc, unsigned int insn)
do { \
DisasCompare cmp; \
cond = GET_FIELD_SP(insn, 14, 17); \
cpu_src1 = get_src1(insn, cpu_src1); \
cpu_src1 = get_src1(dc, insn); \
gen_compare_reg(&cmp, cond, cpu_src1); \
gen_fmov##sz(dc, &cmp, rd, rs2); \
free_compare(&cmp); \
@ -3344,7 +3327,7 @@ static void disas_sparc_insn(DisasContext * dc, unsigned int insn)
}
}
} else {
cpu_src1 = get_src1(insn, cpu_src1);
cpu_src1 = get_src1(dc, insn);
if (IS_IMM) { /* immediate */
simm = GET_FIELDs(insn, 19, 31);
tcg_gen_ori_tl(dst, cpu_src1, simm);
@ -3363,7 +3346,7 @@ static void disas_sparc_insn(DisasContext * dc, unsigned int insn)
}
#ifdef TARGET_SPARC64
} else if (xop == 0x25) { /* sll, V9 sllx */
cpu_src1 = get_src1(insn, cpu_src1);
cpu_src1 = get_src1(dc, insn);
if (IS_IMM) { /* immediate */
simm = GET_FIELDs(insn, 20, 31);
if (insn & (1 << 12)) {
@ -3383,7 +3366,7 @@ static void disas_sparc_insn(DisasContext * dc, unsigned int insn)
}
gen_store_gpr(dc, rd, cpu_dst);
} else if (xop == 0x26) { /* srl, V9 srlx */
cpu_src1 = get_src1(insn, cpu_src1);
cpu_src1 = get_src1(dc, insn);
if (IS_IMM) { /* immediate */
simm = GET_FIELDs(insn, 20, 31);
if (insn & (1 << 12)) {
@ -3406,7 +3389,7 @@ static void disas_sparc_insn(DisasContext * dc, unsigned int insn)
}
gen_store_gpr(dc, rd, cpu_dst);
} else if (xop == 0x27) { /* sra, V9 srax */
cpu_src1 = get_src1(insn, cpu_src1);
cpu_src1 = get_src1(dc, insn);
if (IS_IMM) { /* immediate */
simm = GET_FIELDs(insn, 20, 31);
if (insn & (1 << 12)) {
@ -3431,8 +3414,8 @@ static void disas_sparc_insn(DisasContext * dc, unsigned int insn)
#endif
} else if (xop < 0x36) {
if (xop < 0x20) {
cpu_src1 = get_src1(insn, cpu_src1);
cpu_src2 = get_src2(insn, cpu_src2);
cpu_src1 = get_src1(dc, insn);
cpu_src2 = get_src2(dc, insn);
switch (xop & ~0x10) {
case 0x0: /* add */
if (xop & 0x10) {
@ -3563,8 +3546,8 @@ static void disas_sparc_insn(DisasContext * dc, unsigned int insn)
}
gen_store_gpr(dc, rd, cpu_dst);
} else {
cpu_src1 = get_src1(insn, cpu_src1);
cpu_src2 = get_src2(insn, cpu_src2);
cpu_src1 = get_src1(dc, insn);
cpu_src2 = get_src2(dc, insn);
switch (xop) {
case 0x20: /* taddcc */
gen_op_add_cc(cpu_dst, cpu_src1, cpu_src2);
@ -4153,14 +4136,14 @@ static void disas_sparc_insn(DisasContext * dc, unsigned int insn)
break;
case 0x010: /* VIS I array8 */
CHECK_FPU_FEATURE(dc, VIS1);
cpu_src1 = get_src1(insn, cpu_src1);
cpu_src1 = gen_load_gpr(dc, rs1);
cpu_src2 = gen_load_gpr(dc, rs2);
gen_helper_array8(cpu_dst, cpu_src1, cpu_src2);
gen_store_gpr(dc, rd, cpu_dst);
break;
case 0x012: /* VIS I array16 */
CHECK_FPU_FEATURE(dc, VIS1);
cpu_src1 = get_src1(insn, cpu_src1);
cpu_src1 = gen_load_gpr(dc, rs1);
cpu_src2 = gen_load_gpr(dc, rs2);
gen_helper_array8(cpu_dst, cpu_src1, cpu_src2);
tcg_gen_shli_i64(cpu_dst, cpu_dst, 1);
@ -4168,7 +4151,7 @@ static void disas_sparc_insn(DisasContext * dc, unsigned int insn)
break;
case 0x014: /* VIS I array32 */
CHECK_FPU_FEATURE(dc, VIS1);
cpu_src1 = get_src1(insn, cpu_src1);
cpu_src1 = gen_load_gpr(dc, rs1);
cpu_src2 = gen_load_gpr(dc, rs2);
gen_helper_array8(cpu_dst, cpu_src1, cpu_src2);
tcg_gen_shli_i64(cpu_dst, cpu_dst, 2);
@ -4176,22 +4159,22 @@ static void disas_sparc_insn(DisasContext * dc, unsigned int insn)
break;
case 0x018: /* VIS I alignaddr */
CHECK_FPU_FEATURE(dc, VIS1);
cpu_src1 = get_src1(insn, cpu_src1);
cpu_src1 = gen_load_gpr(dc, rs1);
cpu_src2 = gen_load_gpr(dc, rs2);
gen_alignaddr(cpu_dst, cpu_src1, cpu_src2, 0);
gen_store_gpr(dc, rd, cpu_dst);
break;
case 0x01a: /* VIS I alignaddrl */
CHECK_FPU_FEATURE(dc, VIS1);
cpu_src1 = get_src1(insn, cpu_src1);
cpu_src1 = gen_load_gpr(dc, rs1);
cpu_src2 = gen_load_gpr(dc, rs2);
gen_alignaddr(cpu_dst, cpu_src1, cpu_src2, 1);
gen_store_gpr(dc, rd, cpu_dst);
break;
case 0x019: /* VIS II bmask */
CHECK_FPU_FEATURE(dc, VIS2);
cpu_src1 = get_src1(insn, cpu_src1);
cpu_src2 = get_src2(insn, cpu_src2);
cpu_src1 = gen_load_gpr(dc, rs1);
cpu_src2 = gen_load_gpr(dc, rs2);
tcg_gen_add_tl(cpu_dst, cpu_src1, cpu_src2);
tcg_gen_deposit_tl(cpu_gsr, cpu_gsr, cpu_dst, 32, 32);
gen_store_gpr(dc, rd, cpu_dst);
@ -4511,7 +4494,7 @@ static void disas_sparc_insn(DisasContext * dc, unsigned int insn)
TCGv_i32 r_const;
save_state(dc);
cpu_src1 = get_src1(insn, cpu_src1);
cpu_src1 = get_src1(dc, insn);
if (IS_IMM) { /* immediate */
simm = GET_FIELDs(insn, 19, 31);
tcg_gen_addi_tl(cpu_dst, cpu_src1, simm);
@ -4534,7 +4517,7 @@ static void disas_sparc_insn(DisasContext * dc, unsigned int insn)
goto jmp_insn;
#endif
} else {
cpu_src1 = get_src1(insn, cpu_src1);
cpu_src1 = get_src1(dc, insn);
if (IS_IMM) { /* immediate */
simm = GET_FIELDs(insn, 19, 31);
tcg_gen_addi_tl(cpu_dst, cpu_src1, simm);
@ -4632,7 +4615,7 @@ static void disas_sparc_insn(DisasContext * dc, unsigned int insn)
{
unsigned int xop = GET_FIELD(insn, 7, 12);
cpu_src1 = get_src1(insn, cpu_src1);
cpu_src1 = get_src1(dc, insn);
if (xop == 0x3c || xop == 0x3e) { // V9 casa/casxa
rs2 = GET_FIELD(insn, 27, 31);
cpu_src2 = gen_load_gpr(dc, rs2);