david.venhoff/QEMU-Nyx-fork
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

target-mips: use setcond when possible

Browse Source 
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
This commit is contained in:
Aurelien Jarno 2010-02-08 15:50:58 +01:00
parent d3f137e355
commit e68dd28fd7
1 changed files with 20 additions and 77 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

97
target-mips/translate.c
View File

@ -695,63 +695,6 @@ FOP_CONDS(abs, ps, 64)
#undef FOP_CONDS
/* Tests */
#define OP_COND(name, cond) \
static inline void glue(gen_op_, name) (TCGv ret, TCGv t0, TCGv t1) \
{ \
int l1 = gen_new_label(); \
int l2 = gen_new_label(); \
\
tcg_gen_brcond_tl(cond, t0, t1, l1); \
tcg_gen_movi_tl(ret, 0); \
tcg_gen_br(l2); \
gen_set_label(l1); \
tcg_gen_movi_tl(ret, 1); \
gen_set_label(l2); \
}
OP_COND(eq, TCG_COND_EQ);
OP_COND(ne, TCG_COND_NE);
OP_COND(ge, TCG_COND_GE);
OP_COND(geu, TCG_COND_GEU);
OP_COND(lt, TCG_COND_LT);
OP_COND(ltu, TCG_COND_LTU);
#undef OP_COND
#define OP_CONDI(name, cond) \
static inline void glue(gen_op_, name) (TCGv ret, TCGv t0, target_ulong val) \
{ \
int l1 = gen_new_label(); \
int l2 = gen_new_label(); \
\
tcg_gen_brcondi_tl(cond, t0, val, l1); \
tcg_gen_movi_tl(ret, 0); \
tcg_gen_br(l2); \
gen_set_label(l1); \
tcg_gen_movi_tl(ret, 1); \
gen_set_label(l2); \
}
OP_CONDI(lti, TCG_COND_LT);
OP_CONDI(ltiu, TCG_COND_LTU);
#undef OP_CONDI
#define OP_CONDZ(name, cond) \
static inline void glue(gen_op_, name) (TCGv ret, TCGv t0) \
{ \
int l1 = gen_new_label(); \
int l2 = gen_new_label(); \
\
tcg_gen_brcondi_tl(cond, t0, 0, l1); \
tcg_gen_movi_tl(ret, 0); \
tcg_gen_br(l2); \
gen_set_label(l1); \
tcg_gen_movi_tl(ret, 1); \
gen_set_label(l2); \
}
OP_CONDZ(gez, TCG_COND_GE);
OP_CONDZ(gtz, TCG_COND_GT);
OP_CONDZ(lez, TCG_COND_LE);
OP_CONDZ(ltz, TCG_COND_LT);
#undef OP_CONDZ
static inline void gen_save_pc(target_ulong pc)
{
tcg_gen_movi_tl(cpu_PC, pc);
@ -1420,11 +1363,11 @@ static void gen_slt_imm (CPUState *env, uint32_t opc, int rt, int rs, int16_t im
gen_load_gpr(t0, rs);
switch (opc) {
case OPC_SLTI:
gen_op_lti(cpu_gpr[rt], t0, uimm);
tcg_gen_setcondi_tl(TCG_COND_LT, cpu_gpr[rt], t0, uimm);
opn = "slti";
break;
case OPC_SLTIU:
gen_op_ltiu(cpu_gpr[rt], t0, uimm);
tcg_gen_setcondi_tl(TCG_COND_LTU, cpu_gpr[rt], t0, uimm);
opn = "sltiu";
break;
}
@ -1819,11 +1762,11 @@ static void gen_slt (CPUState *env, uint32_t opc, int rd, int rs, int rt)
gen_load_gpr(t1, rt);
switch (opc) {
case OPC_SLT:
gen_op_lt(cpu_gpr[rd], t0, t1);
tcg_gen_setcond_tl(TCG_COND_LT, cpu_gpr[rd], t0, t1);
opn = "slt";
break;
case OPC_SLTU:
gen_op_ltu(cpu_gpr[rd], t0, t1);
tcg_gen_setcond_tl(TCG_COND_LTU, cpu_gpr[rd], t0, t1);
opn = "sltu";
break;
}
@ -2570,76 +2513,76 @@ static void gen_compute_branch (DisasContext *ctx, uint32_t opc,
} else {
switch (opc) {
case OPC_BEQ:
gen_op_eq(bcond, t0, t1);
tcg_gen_setcond_tl(TCG_COND_EQ, bcond, t0, t1);
MIPS_DEBUG("beq %s, %s, " TARGET_FMT_lx,
regnames[rs], regnames[rt], btgt);
goto not_likely;
case OPC_BEQL:
gen_op_eq(bcond, t0, t1);
tcg_gen_setcond_tl(TCG_COND_EQ, bcond, t0, t1);
MIPS_DEBUG("beql %s, %s, " TARGET_FMT_lx,
regnames[rs], regnames[rt], btgt);
goto likely;
case OPC_BNE:
gen_op_ne(bcond, t0, t1);
tcg_gen_setcond_tl(TCG_COND_NE, bcond, t0, t1);
MIPS_DEBUG("bne %s, %s, " TARGET_FMT_lx,
regnames[rs], regnames[rt], btgt);
goto not_likely;
case OPC_BNEL:
gen_op_ne(bcond, t0, t1);
tcg_gen_setcond_tl(TCG_COND_NE, bcond, t0, t1);
MIPS_DEBUG("bnel %s, %s, " TARGET_FMT_lx,
regnames[rs], regnames[rt], btgt);
goto likely;
case OPC_BGEZ:
gen_op_gez(bcond, t0);
tcg_gen_setcondi_tl(TCG_COND_GE, bcond, t0, 0);
MIPS_DEBUG("bgez %s, " TARGET_FMT_lx, regnames[rs], btgt);
goto not_likely;
case OPC_BGEZL:
gen_op_gez(bcond, t0);
tcg_gen_setcondi_tl(TCG_COND_GE, bcond, t0, 0);
MIPS_DEBUG("bgezl %s, " TARGET_FMT_lx, regnames[rs], btgt);
goto likely;
case OPC_BGEZAL:
gen_op_gez(bcond, t0);
tcg_gen_setcondi_tl(TCG_COND_GE, bcond, t0, 0);
MIPS_DEBUG("bgezal %s, " TARGET_FMT_lx, regnames[rs], btgt);
blink = 31;
goto not_likely;
case OPC_BGEZALL:
gen_op_gez(bcond, t0);
tcg_gen_setcondi_tl(TCG_COND_GE, bcond, t0, 0);
blink = 31;
MIPS_DEBUG("bgezall %s, " TARGET_FMT_lx, regnames[rs], btgt);
goto likely;
case OPC_BGTZ:
gen_op_gtz(bcond, t0);
tcg_gen_setcondi_tl(TCG_COND_GT, bcond, t0, 0);
MIPS_DEBUG("bgtz %s, " TARGET_FMT_lx, regnames[rs], btgt);
goto not_likely;
case OPC_BGTZL:
gen_op_gtz(bcond, t0);
tcg_gen_setcondi_tl(TCG_COND_GT, bcond, t0, 0);
MIPS_DEBUG("bgtzl %s, " TARGET_FMT_lx, regnames[rs], btgt);
goto likely;
case OPC_BLEZ:
gen_op_lez(bcond, t0);
tcg_gen_setcondi_tl(TCG_COND_LE, bcond, t0, 0);
MIPS_DEBUG("blez %s, " TARGET_FMT_lx, regnames[rs], btgt);
goto not_likely;
case OPC_BLEZL:
gen_op_lez(bcond, t0);
tcg_gen_setcondi_tl(TCG_COND_LE, bcond, t0, 0);
MIPS_DEBUG("blezl %s, " TARGET_FMT_lx, regnames[rs], btgt);
goto likely;
case OPC_BLTZ:
gen_op_ltz(bcond, t0);
tcg_gen_setcondi_tl(TCG_COND_LT, bcond, t0, 0);
MIPS_DEBUG("bltz %s, " TARGET_FMT_lx, regnames[rs], btgt);
goto not_likely;
case OPC_BLTZL:
gen_op_ltz(bcond, t0);
tcg_gen_setcondi_tl(TCG_COND_LT, bcond, t0, 0);
MIPS_DEBUG("bltzl %s, " TARGET_FMT_lx, regnames[rs], btgt);
goto likely;
case OPC_BLTZAL:
gen_op_ltz(bcond, t0);
tcg_gen_setcondi_tl(TCG_COND_LT, bcond, t0, 0);
blink = 31;
MIPS_DEBUG("bltzal %s, " TARGET_FMT_lx, regnames[rs], btgt);
not_likely:
ctx->hflags |= MIPS_HFLAG_BC;
break;
case OPC_BLTZALL:
gen_op_ltz(bcond, t0);
tcg_gen_setcondi_tl(TCG_COND_LT, bcond, t0, 0);
blink = 31;
MIPS_DEBUG("bltzall %s, " TARGET_FMT_lx, regnames[rs], btgt);
likely: