aboutsummaryrefslogtreecommitdiff
path: root/tcg
diff options
context:
space:
mode:
Diffstat (limited to 'tcg')
-rw-r--r--tcg/README7
-rw-r--r--tcg/arm/tcg-target.c9
-rw-r--r--tcg/hppa/tcg-target.c25
-rw-r--r--tcg/i386/tcg-target.c11
-rw-r--r--tcg/ia64/tcg-target.c4
-rw-r--r--tcg/mips/tcg-target.c5
-rw-r--r--tcg/optimize.c6
-rw-r--r--tcg/ppc/tcg-target.c12
-rw-r--r--tcg/ppc64/tcg-target.c12
-rw-r--r--tcg/s390/tcg-target.c12
-rw-r--r--tcg/sparc/tcg-target.c4
-rw-r--r--tcg/tcg-op.h82
-rw-r--r--tcg/tcg-opc.h1
-rw-r--r--tcg/tcg.c2
-rw-r--r--tcg/tcg.h57
-rw-r--r--tcg/tci/tcg-target.c4
16 files changed, 127 insertions, 126 deletions
diff --git a/tcg/README b/tcg/README
index 27846f1ea4..aa86992bca 100644
--- a/tcg/README
+++ b/tcg/README
@@ -88,8 +88,7 @@ supported.
* Branches:
-Use the instruction 'br' to jump to a label. Use 'jmp' to jump to an
-explicit address. Conditional branches can only jump to labels.
+Use the instruction 'br' to jump to a label.
3.3) Code Optimizations
@@ -129,10 +128,6 @@ call function 'ptr' (pointer type)
********* Jumps/Labels
-* jmp t0
-
-Absolute jump to address t0 (pointer type).
-
* set_label $label
Define label 'label' at the current program point.
diff --git a/tcg/arm/tcg-target.c b/tcg/arm/tcg-target.c
index 2bad0a2b17..fbbbefe985 100644
--- a/tcg/arm/tcg-target.c
+++ b/tcg/arm/tcg-target.c
@@ -335,7 +335,7 @@ enum arm_cond_code_e {
COND_AL = 0xe,
};
-static const uint8_t tcg_cond_to_arm_cond[10] = {
+static const uint8_t tcg_cond_to_arm_cond[] = {
[TCG_COND_EQ] = COND_EQ,
[TCG_COND_NE] = COND_NE,
[TCG_COND_LT] = COND_LT,
@@ -1530,12 +1530,6 @@ static inline void tcg_out_op(TCGContext *s, TCGOpcode opc,
else
tcg_out_callr(s, COND_AL, args[0]);
break;
- case INDEX_op_jmp:
- if (const_args[0])
- tcg_out_goto(s, COND_AL, args[0]);
- else
- tcg_out_bx(s, COND_AL, args[0]);
- break;
case INDEX_op_br:
tcg_out_goto_label(s, COND_AL, args[0]);
break;
@@ -1769,7 +1763,6 @@ static const TCGTargetOpDef arm_op_defs[] = {
{ INDEX_op_exit_tb, { } },
{ INDEX_op_goto_tb, { } },
{ INDEX_op_call, { "ri" } },
- { INDEX_op_jmp, { "ri" } },
{ INDEX_op_br, { } },
{ INDEX_op_mov_i32, { "r", "r" } },
diff --git a/tcg/hppa/tcg-target.c b/tcg/hppa/tcg-target.c
index 2c79c1081e..de500ae181 100644
--- a/tcg/hppa/tcg-target.c
+++ b/tcg/hppa/tcg-target.c
@@ -732,7 +732,7 @@ static void tcg_out_branch(TCGContext *s, int label_index, int nul)
}
}
-static const uint8_t tcg_cond_to_cmp_cond[10] =
+static const uint8_t tcg_cond_to_cmp_cond[] =
{
[TCG_COND_EQ] = COND_EQ,
[TCG_COND_NE] = COND_EQ | COND_FALSE,
@@ -814,19 +814,6 @@ static void tcg_out_comclr(TCGContext *s, int cond, TCGArg ret,
tcg_out32(s, op);
}
-static TCGCond const tcg_high_cond[] = {
- [TCG_COND_EQ] = TCG_COND_EQ,
- [TCG_COND_NE] = TCG_COND_NE,
- [TCG_COND_LT] = TCG_COND_LT,
- [TCG_COND_LE] = TCG_COND_LT,
- [TCG_COND_GT] = TCG_COND_GT,
- [TCG_COND_GE] = TCG_COND_GT,
- [TCG_COND_LTU] = TCG_COND_LTU,
- [TCG_COND_LEU] = TCG_COND_LTU,
- [TCG_COND_GTU] = TCG_COND_GTU,
- [TCG_COND_GEU] = TCG_COND_GTU
-};
-
static void tcg_out_brcond2(TCGContext *s, int cond, TCGArg al, TCGArg ah,
TCGArg bl, int blconst, TCGArg bh, int bhconst,
int label_index)
@@ -841,7 +828,7 @@ static void tcg_out_brcond2(TCGContext *s, int cond, TCGArg al, TCGArg ah,
tcg_out_brcond(s, TCG_COND_NE, ah, bh, bhconst, label_index);
break;
default:
- tcg_out_brcond(s, tcg_high_cond[cond], ah, bh, bhconst, label_index);
+ tcg_out_brcond(s, tcg_high_cond(cond), ah, bh, bhconst, label_index);
tcg_out_comclr(s, TCG_COND_NE, TCG_REG_R0, ah, bh, bhconst);
tcg_out_brcond(s, tcg_unsigned_cond(cond),
al, bl, blconst, label_index);
@@ -894,7 +881,7 @@ static void tcg_out_setcond2(TCGContext *s, int cond, TCGArg ret,
tcg_out_setcond(s, tcg_unsigned_cond(cond), scratch, al, bl, blconst);
tcg_out_comclr(s, TCG_COND_EQ, TCG_REG_R0, ah, bh, bhconst);
tcg_out_movi(s, TCG_TYPE_I32, scratch, 0);
- tcg_out_comclr(s, tcg_invert_cond(tcg_high_cond[cond]),
+ tcg_out_comclr(s, tcg_invert_cond(tcg_high_cond(cond)),
TCG_REG_R0, ah, bh, bhconst);
tcg_out_movi(s, TCG_TYPE_I32, scratch, 1);
break;
@@ -1353,11 +1340,6 @@ static inline void tcg_out_op(TCGContext *s, TCGOpcode opc, const TCGArg *args,
}
break;
- case INDEX_op_jmp:
- fprintf(stderr, "unimplemented jmp\n");
- tcg_abort();
- break;
-
case INDEX_op_br:
tcg_out_branch(s, args[0], 1);
break;
@@ -1592,7 +1574,6 @@ static const TCGTargetOpDef hppa_op_defs[] = {
{ INDEX_op_goto_tb, { } },
{ INDEX_op_call, { "ri" } },
- { INDEX_op_jmp, { "r" } },
{ INDEX_op_br, { } },
{ INDEX_op_mov_i32, { "r", "r" } },
diff --git a/tcg/i386/tcg-target.c b/tcg/i386/tcg-target.c
index 0e218c8614..4952c057b3 100644
--- a/tcg/i386/tcg-target.c
+++ b/tcg/i386/tcg-target.c
@@ -338,7 +338,7 @@ static inline int tcg_target_const_match(tcg_target_long val,
#define JCC_JLE 0xe
#define JCC_JG 0xf
-static const uint8_t tcg_cond_to_jcc[10] = {
+static const uint8_t tcg_cond_to_jcc[] = {
[TCG_COND_EQ] = JCC_JE,
[TCG_COND_NE] = JCC_JNE,
[TCG_COND_LT] = JCC_JL,
@@ -1513,14 +1513,6 @@ static inline void tcg_out_op(TCGContext *s, TCGOpcode opc,
tcg_out_modrm(s, OPC_GRP5, EXT5_CALLN_Ev, args[0]);
}
break;
- case INDEX_op_jmp:
- if (const_args[0]) {
- tcg_out_jmp(s, args[0]);
- } else {
- /* jmp *reg */
- tcg_out_modrm(s, OPC_GRP5, EXT5_JMPN_Ev, args[0]);
- }
- break;
case INDEX_op_br:
tcg_out_jxx(s, JCC_JMP, args[0], 0);
break;
@@ -1848,7 +1840,6 @@ static const TCGTargetOpDef x86_op_defs[] = {
{ INDEX_op_exit_tb, { } },
{ INDEX_op_goto_tb, { } },
{ INDEX_op_call, { "ri" } },
- { INDEX_op_jmp, { "ri" } },
{ INDEX_op_br, { } },
{ INDEX_op_mov_i32, { "r", "r" } },
{ INDEX_op_movi_i32, { "r" } },
diff --git a/tcg/ia64/tcg-target.c b/tcg/ia64/tcg-target.c
index dc9c12cf18..705712f775 100644
--- a/tcg/ia64/tcg-target.c
+++ b/tcg/ia64/tcg-target.c
@@ -1916,9 +1916,6 @@ static inline void tcg_out_op(TCGContext *s, TCGOpcode opc,
case INDEX_op_goto_tb:
tcg_out_goto_tb(s, args[0]);
break;
- case INDEX_op_jmp:
- tcg_out_jmp(s, args[0]);
- break;
case INDEX_op_movi_i32:
tcg_out_movi(s, TCG_TYPE_I32, args[0], args[1]);
@@ -2156,7 +2153,6 @@ static const TCGTargetOpDef ia64_op_defs[] = {
{ INDEX_op_call, { "r" } },
{ INDEX_op_exit_tb, { } },
{ INDEX_op_goto_tb, { } },
- { INDEX_op_jmp, { "r" } },
{ INDEX_op_mov_i32, { "r", "r" } },
{ INDEX_op_movi_i32, { "r" } },
diff --git a/tcg/mips/tcg-target.c b/tcg/mips/tcg-target.c
index 34e3e7f823..7e4013e1e6 100644
--- a/tcg/mips/tcg-target.c
+++ b/tcg/mips/tcg-target.c
@@ -1322,10 +1322,6 @@ static inline void tcg_out_op(TCGContext *s, TCGOpcode opc,
tcg_out_opc_reg(s, OPC_JALR, TCG_REG_RA, args[0], 0);
tcg_out_nop(s);
break;
- case INDEX_op_jmp:
- tcg_out_opc_reg(s, OPC_JR, 0, args[0], 0);
- tcg_out_nop(s);
- break;
case INDEX_op_br:
tcg_out_brcond(s, TCG_COND_EQ, TCG_REG_ZERO, TCG_REG_ZERO, args[0]);
break;
@@ -1577,7 +1573,6 @@ static const TCGTargetOpDef mips_op_defs[] = {
{ INDEX_op_exit_tb, { } },
{ INDEX_op_goto_tb, { } },
{ INDEX_op_call, { "C" } },
- { INDEX_op_jmp, { "r" } },
{ INDEX_op_br, { } },
{ INDEX_op_mov_i32, { "r", "r" } },
diff --git a/tcg/optimize.c b/tcg/optimize.c
index 35532a1e03..edb2b0ea90 100644
--- a/tcg/optimize.c
+++ b/tcg/optimize.c
@@ -321,6 +321,8 @@ static TCGArg do_constant_folding_cond(TCGOpcode op, TCGArg x,
return (uint32_t)temps[x].val <= (uint32_t)temps[y].val;
case TCG_COND_GTU:
return (uint32_t)temps[x].val > (uint32_t)temps[y].val;
+ default:
+ break;
}
break;
case 64:
@@ -345,6 +347,8 @@ static TCGArg do_constant_folding_cond(TCGOpcode op, TCGArg x,
return (uint64_t)temps[x].val <= (uint64_t)temps[y].val;
case TCG_COND_GTU:
return (uint64_t)temps[x].val > (uint64_t)temps[y].val;
+ default:
+ break;
}
break;
}
@@ -362,6 +366,8 @@ static TCGArg do_constant_folding_cond(TCGOpcode op, TCGArg x,
case TCG_COND_LEU:
case TCG_COND_EQ:
return 1;
+ default:
+ break;
}
} else if (temps[y].state == TCG_TEMP_CONST && temps[y].val == 0) {
switch (c) {
diff --git a/tcg/ppc/tcg-target.c b/tcg/ppc/tcg-target.c
index 90c275d698..60b7b92621 100644
--- a/tcg/ppc/tcg-target.c
+++ b/tcg/ppc/tcg-target.c
@@ -437,7 +437,7 @@ enum {
CR_SO
};
-static const uint32_t tcg_to_bc[10] = {
+static const uint32_t tcg_to_bc[] = {
[TCG_COND_EQ] = BC | BI (7, CR_EQ) | BO_COND_TRUE,
[TCG_COND_NE] = BC | BI (7, CR_EQ) | BO_COND_FALSE,
[TCG_COND_LT] = BC | BI (7, CR_LT) | BO_COND_TRUE,
@@ -1417,15 +1417,6 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc, const TCGArg *args,
case INDEX_op_call:
tcg_out_call (s, args[0], const_args[0]);
break;
- case INDEX_op_jmp:
- if (const_args[0]) {
- tcg_out_b (s, 0, args[0]);
- }
- else {
- tcg_out32 (s, MTSPR | RS (args[0]) | CTR);
- tcg_out32 (s, BCCTR | BO_ALWAYS);
- }
- break;
case INDEX_op_movi_i32:
tcg_out_movi(s, TCG_TYPE_I32, args[0], args[1]);
break;
@@ -1904,7 +1895,6 @@ static const TCGTargetOpDef ppc_op_defs[] = {
{ INDEX_op_exit_tb, { } },
{ INDEX_op_goto_tb, { } },
{ INDEX_op_call, { "ri" } },
- { INDEX_op_jmp, { "ri" } },
{ INDEX_op_br, { } },
{ INDEX_op_mov_i32, { "r", "r" } },
diff --git a/tcg/ppc64/tcg-target.c b/tcg/ppc64/tcg-target.c
index 19944bc427..5403fc1f91 100644
--- a/tcg/ppc64/tcg-target.c
+++ b/tcg/ppc64/tcg-target.c
@@ -418,7 +418,7 @@ enum {
CR_SO
};
-static const uint32_t tcg_to_bc[10] = {
+static const uint32_t tcg_to_bc[] = {
[TCG_COND_EQ] = BC | BI (7, CR_EQ) | BO_COND_TRUE,
[TCG_COND_NE] = BC | BI (7, CR_EQ) | BO_COND_FALSE,
[TCG_COND_LT] = BC | BI (7, CR_LT) | BO_COND_TRUE,
@@ -1245,15 +1245,6 @@ static void tcg_out_op (TCGContext *s, TCGOpcode opc, const TCGArg *args,
case INDEX_op_call:
tcg_out_call (s, args[0], const_args[0]);
break;
- case INDEX_op_jmp:
- if (const_args[0]) {
- tcg_out_b (s, 0, args[0]);
- }
- else {
- tcg_out32 (s, MTSPR | RS (args[0]) | CTR);
- tcg_out32 (s, BCCTR | BO_ALWAYS);
- }
- break;
case INDEX_op_movi_i32:
tcg_out_movi (s, TCG_TYPE_I32, args[0], args[1]);
break;
@@ -1588,7 +1579,6 @@ static const TCGTargetOpDef ppc_op_defs[] = {
{ INDEX_op_exit_tb, { } },
{ INDEX_op_goto_tb, { } },
{ INDEX_op_call, { "ri" } },
- { INDEX_op_jmp, { "ri" } },
{ INDEX_op_br, { } },
{ INDEX_op_mov_i32, { "r", "r" } },
diff --git a/tcg/s390/tcg-target.c b/tcg/s390/tcg-target.c
index 3b90605fb1..fd9286f52d 100644
--- a/tcg/s390/tcg-target.c
+++ b/tcg/s390/tcg-target.c
@@ -268,7 +268,7 @@ static const int tcg_target_call_oarg_regs[] = {
#define S390_CC_ALWAYS 15
/* Condition codes that result from a COMPARE and COMPARE LOGICAL. */
-static const uint8_t tcg_cond_to_s390_cond[10] = {
+static const uint8_t tcg_cond_to_s390_cond[] = {
[TCG_COND_EQ] = S390_CC_EQ,
[TCG_COND_NE] = S390_CC_NE,
[TCG_COND_LT] = S390_CC_LT,
@@ -284,7 +284,7 @@ static const uint8_t tcg_cond_to_s390_cond[10] = {
/* Condition codes that result from a LOAD AND TEST. Here, we have no
unsigned instruction variation, however since the test is vs zero we
can re-map the outcomes appropriately. */
-static const uint8_t tcg_cond_to_ltr_cond[10] = {
+static const uint8_t tcg_cond_to_ltr_cond[] = {
[TCG_COND_EQ] = S390_CC_EQ,
[TCG_COND_NE] = S390_CC_NE,
[TCG_COND_LT] = S390_CC_LT,
@@ -1113,7 +1113,7 @@ static void tgen64_xori(TCGContext *s, TCGReg dest, tcg_target_ulong val)
static int tgen_cmp(TCGContext *s, TCGType type, TCGCond c, TCGReg r1,
TCGArg c2, int c2const)
{
- bool is_unsigned = (c > TCG_COND_GT);
+ bool is_unsigned = is_unsigned_cond(c);
if (c2const) {
if (c2 == 0) {
if (type == TCG_TYPE_I32) {
@@ -2037,11 +2037,6 @@ static inline void tcg_out_op(TCGContext *s, TCGOpcode opc,
break;
#endif /* TCG_TARGET_REG_BITS == 64 */
- case INDEX_op_jmp:
- /* This one is obsolete and never emitted. */
- tcg_abort();
- break;
-
default:
fprintf(stderr,"unimplemented opc 0x%x\n",opc);
tcg_abort();
@@ -2052,7 +2047,6 @@ static const TCGTargetOpDef s390_op_defs[] = {
{ INDEX_op_exit_tb, { } },
{ INDEX_op_goto_tb, { } },
{ INDEX_op_call, { "ri" } },
- { INDEX_op_jmp, { "ri" } },
{ INDEX_op_br, { } },
{ INDEX_op_mov_i32, { "r", "r" } },
diff --git a/tcg/sparc/tcg-target.c b/tcg/sparc/tcg-target.c
index 8fd7f86de0..0c32baa50e 100644
--- a/tcg/sparc/tcg-target.c
+++ b/tcg/sparc/tcg-target.c
@@ -512,7 +512,7 @@ static void tcg_out_branch_i64(TCGContext *s, int opc, int label_index)
}
#endif
-static const uint8_t tcg_cond_to_bcond[10] = {
+static const uint8_t tcg_cond_to_bcond[] = {
[TCG_COND_EQ] = COND_E,
[TCG_COND_NE] = COND_NE,
[TCG_COND_LT] = COND_L,
@@ -1097,7 +1097,6 @@ static inline void tcg_out_op(TCGContext *s, TCGOpcode opc, const TCGArg *args,
/* delay slot */
tcg_out_nop(s);
break;
- case INDEX_op_jmp:
case INDEX_op_br:
tcg_out_branch_i32(s, COND_A, args[0]);
tcg_out_nop(s);
@@ -1367,7 +1366,6 @@ static const TCGTargetOpDef sparc_op_defs[] = {
{ INDEX_op_exit_tb, { } },
{ INDEX_op_goto_tb, { } },
{ INDEX_op_call, { "ri" } },
- { INDEX_op_jmp, { "ri" } },
{ INDEX_op_br, { } },
{ INDEX_op_mov_i32, { "r", "r" } },
diff --git a/tcg/tcg-op.h b/tcg/tcg-op.h
index bd93fe4f03..551845801d 100644
--- a/tcg/tcg-op.h
+++ b/tcg/tcg-op.h
@@ -646,29 +646,49 @@ static inline void tcg_gen_sari_i32(TCGv_i32 ret, TCGv_i32 arg1, int32_t arg2)
static inline void tcg_gen_brcond_i32(TCGCond cond, TCGv_i32 arg1,
TCGv_i32 arg2, int label_index)
{
- tcg_gen_op4ii_i32(INDEX_op_brcond_i32, arg1, arg2, cond, label_index);
+ if (cond == TCG_COND_ALWAYS) {
+ tcg_gen_br(label_index);
+ } else if (cond != TCG_COND_NEVER) {
+ tcg_gen_op4ii_i32(INDEX_op_brcond_i32, arg1, arg2, cond, label_index);
+ }
}
static inline void tcg_gen_brcondi_i32(TCGCond cond, TCGv_i32 arg1,
int32_t arg2, int label_index)
{
- TCGv_i32 t0 = tcg_const_i32(arg2);
- tcg_gen_brcond_i32(cond, arg1, t0, label_index);
- tcg_temp_free_i32(t0);
+ if (cond == TCG_COND_ALWAYS) {
+ tcg_gen_br(label_index);
+ } else if (cond != TCG_COND_NEVER) {
+ TCGv_i32 t0 = tcg_const_i32(arg2);
+ tcg_gen_brcond_i32(cond, arg1, t0, label_index);
+ tcg_temp_free_i32(t0);
+ }
}
static inline void tcg_gen_setcond_i32(TCGCond cond, TCGv_i32 ret,
TCGv_i32 arg1, TCGv_i32 arg2)
{
- tcg_gen_op4i_i32(INDEX_op_setcond_i32, ret, arg1, arg2, cond);
+ if (cond == TCG_COND_ALWAYS) {
+ tcg_gen_movi_i32(ret, 1);
+ } else if (cond == TCG_COND_NEVER) {
+ tcg_gen_movi_i32(ret, 0);
+ } else {
+ tcg_gen_op4i_i32(INDEX_op_setcond_i32, ret, arg1, arg2, cond);
+ }
}
static inline void tcg_gen_setcondi_i32(TCGCond cond, TCGv_i32 ret,
TCGv_i32 arg1, int32_t arg2)
{
- TCGv_i32 t0 = tcg_const_i32(arg2);
- tcg_gen_setcond_i32(cond, ret, arg1, t0);
- tcg_temp_free_i32(t0);
+ if (cond == TCG_COND_ALWAYS) {
+ tcg_gen_movi_i32(ret, 1);
+ } else if (cond == TCG_COND_NEVER) {
+ tcg_gen_movi_i32(ret, 0);
+ } else {
+ TCGv_i32 t0 = tcg_const_i32(arg2);
+ tcg_gen_setcond_i32(cond, ret, arg1, t0);
+ tcg_temp_free_i32(t0);
+ }
}
static inline void tcg_gen_mul_i32(TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32 arg2)
@@ -964,17 +984,27 @@ static inline void tcg_gen_sari_i64(TCGv_i64 ret, TCGv_i64 arg1, int64_t arg2)
static inline void tcg_gen_brcond_i64(TCGCond cond, TCGv_i64 arg1,
TCGv_i64 arg2, int label_index)
{
- tcg_gen_op6ii_i32(INDEX_op_brcond2_i32,
- TCGV_LOW(arg1), TCGV_HIGH(arg1), TCGV_LOW(arg2),
- TCGV_HIGH(arg2), cond, label_index);
+ if (cond == TCG_COND_ALWAYS) {
+ tcg_gen_br(label_index);
+ } else if (cond != TCG_COND_NEVER) {
+ tcg_gen_op6ii_i32(INDEX_op_brcond2_i32,
+ TCGV_LOW(arg1), TCGV_HIGH(arg1), TCGV_LOW(arg2),
+ TCGV_HIGH(arg2), cond, label_index);
+ }
}
static inline void tcg_gen_setcond_i64(TCGCond cond, TCGv_i64 ret,
TCGv_i64 arg1, TCGv_i64 arg2)
{
- tcg_gen_op6i_i32(INDEX_op_setcond2_i32, TCGV_LOW(ret),
- TCGV_LOW(arg1), TCGV_HIGH(arg1),
- TCGV_LOW(arg2), TCGV_HIGH(arg2), cond);
+ if (cond == TCG_COND_ALWAYS) {
+ tcg_gen_movi_i32(TCGV_LOW(ret), 1);
+ } else if (cond == TCG_COND_NEVER) {
+ tcg_gen_movi_i32(TCGV_LOW(ret), 0);
+ } else {
+ tcg_gen_op6i_i32(INDEX_op_setcond2_i32, TCGV_LOW(ret),
+ TCGV_LOW(arg1), TCGV_HIGH(arg1),
+ TCGV_LOW(arg2), TCGV_HIGH(arg2), cond);
+ }
tcg_gen_movi_i32(TCGV_HIGH(ret), 0);
}
@@ -1273,13 +1303,23 @@ static inline void tcg_gen_sari_i64(TCGv_i64 ret, TCGv_i64 arg1, int64_t arg2)
static inline void tcg_gen_brcond_i64(TCGCond cond, TCGv_i64 arg1,
TCGv_i64 arg2, int label_index)
{
- tcg_gen_op4ii_i64(INDEX_op_brcond_i64, arg1, arg2, cond, label_index);
+ if (cond == TCG_COND_ALWAYS) {
+ tcg_gen_br(label_index);
+ } else if (cond != TCG_COND_NEVER) {
+ tcg_gen_op4ii_i64(INDEX_op_brcond_i64, arg1, arg2, cond, label_index);
+ }
}
static inline void tcg_gen_setcond_i64(TCGCond cond, TCGv_i64 ret,
TCGv_i64 arg1, TCGv_i64 arg2)
{
- tcg_gen_op4i_i64(INDEX_op_setcond_i64, ret, arg1, arg2, cond);
+ if (cond == TCG_COND_ALWAYS) {
+ tcg_gen_movi_i64(ret, 1);
+ } else if (cond == TCG_COND_NEVER) {
+ tcg_gen_movi_i64(ret, 0);
+ } else {
+ tcg_gen_op4i_i64(INDEX_op_setcond_i64, ret, arg1, arg2, cond);
+ }
}
static inline void tcg_gen_mul_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2)
@@ -1397,9 +1437,13 @@ static inline void tcg_gen_subi_i64(TCGv_i64 ret, TCGv_i64 arg1, int64_t arg2)
static inline void tcg_gen_brcondi_i64(TCGCond cond, TCGv_i64 arg1,
int64_t arg2, int label_index)
{
- TCGv_i64 t0 = tcg_const_i64(arg2);
- tcg_gen_brcond_i64(cond, arg1, t0, label_index);
- tcg_temp_free_i64(t0);
+ if (cond == TCG_COND_ALWAYS) {
+ tcg_gen_br(label_index);
+ } else if (cond != TCG_COND_NEVER) {
+ TCGv_i64 t0 = tcg_const_i64(arg2);
+ tcg_gen_brcond_i64(cond, arg1, t0, label_index);
+ tcg_temp_free_i64(t0);
+ }
}
static inline void tcg_gen_setcondi_i64(TCGCond cond, TCGv_i64 ret,
diff --git a/tcg/tcg-opc.h b/tcg/tcg-opc.h
index dbb0e3916a..04cb7ca038 100644
--- a/tcg/tcg-opc.h
+++ b/tcg/tcg-opc.h
@@ -38,7 +38,6 @@ DEF(discard, 1, 0, 0, 0)
DEF(set_label, 0, 0, 1, TCG_OPF_BB_END)
DEF(call, 0, 1, 2, TCG_OPF_SIDE_EFFECTS) /* variable number of parameters */
-DEF(jmp, 0, 1, 0, TCG_OPF_BB_END | TCG_OPF_SIDE_EFFECTS)
DEF(br, 0, 0, 1, TCG_OPF_BB_END | TCG_OPF_SIDE_EFFECTS)
#define IMPL(X) (X ? 0 : TCG_OPF_NOT_PRESENT)
diff --git a/tcg/tcg.c b/tcg/tcg.c
index c069e44a0e..78ef50b6ee 100644
--- a/tcg/tcg.c
+++ b/tcg/tcg.c
@@ -864,6 +864,8 @@ static TCGHelperInfo *tcg_find_helper(TCGContext *s, tcg_target_ulong val)
static const char * const cond_name[] =
{
+ [TCG_COND_NEVER] = "never",
+ [TCG_COND_ALWAYS] = "always",
[TCG_COND_EQ] = "eq",
[TCG_COND_NE] = "ne",
[TCG_COND_LT] = "lt",
diff --git a/tcg/tcg.h b/tcg/tcg.h
index af7464a650..562f0adcd4 100644
--- a/tcg/tcg.h
+++ b/tcg/tcg.h
@@ -266,18 +266,28 @@ typedef int TCGv_i64;
#define TCG_CALL_DUMMY_TCGV MAKE_TCGV_I32(-1)
#define TCG_CALL_DUMMY_ARG ((TCGArg)(-1))
+/* Conditions. Note that these are layed out for easy manipulation by
+ the the functions below:
+ bit 0 is used for inverting;
+ bit 1 is signed,
+ bit 2 is unsigned,
+ bit 3 is used with bit 0 for swapping signed/unsigned. */
typedef enum {
- TCG_COND_EQ,
- TCG_COND_NE,
- TCG_COND_LT,
- TCG_COND_GE,
- TCG_COND_LE,
- TCG_COND_GT,
+ /* non-signed */
+ TCG_COND_NEVER = 0 | 0 | 0 | 0,
+ TCG_COND_ALWAYS = 0 | 0 | 0 | 1,
+ TCG_COND_EQ = 8 | 0 | 0 | 0,
+ TCG_COND_NE = 8 | 0 | 0 | 1,
+ /* signed */
+ TCG_COND_LT = 0 | 0 | 2 | 0,
+ TCG_COND_GE = 0 | 0 | 2 | 1,
+ TCG_COND_LE = 8 | 0 | 2 | 0,
+ TCG_COND_GT = 8 | 0 | 2 | 1,
/* unsigned */
- TCG_COND_LTU,
- TCG_COND_GEU,
- TCG_COND_LEU,
- TCG_COND_GTU,
+ TCG_COND_LTU = 0 | 4 | 0 | 0,
+ TCG_COND_GEU = 0 | 4 | 0 | 1,
+ TCG_COND_LEU = 8 | 4 | 0 | 0,
+ TCG_COND_GTU = 8 | 4 | 0 | 1,
} TCGCond;
/* Invert the sense of the comparison. */
@@ -289,13 +299,34 @@ static inline TCGCond tcg_invert_cond(TCGCond c)
/* Swap the operands in a comparison. */
static inline TCGCond tcg_swap_cond(TCGCond c)
{
- int mask = (c < TCG_COND_LT ? 0 : c < TCG_COND_LTU ? 7 : 15);
- return (TCGCond)(c ^ mask);
+ return c & 6 ? (TCGCond)(c ^ 9) : c;
}
+/* Create an "unsigned" version of a "signed" comparison. */
static inline TCGCond tcg_unsigned_cond(TCGCond c)
{
- return (c >= TCG_COND_LT && c <= TCG_COND_GT ? c + 4 : c);
+ return c & 2 ? (TCGCond)(c ^ 6) : c;
+}
+
+/* Must a comparison be considered unsigned? */
+static inline bool is_unsigned_cond(TCGCond c)
+{
+ return (c & 4) != 0;
+}
+
+/* Create a "high" version of a double-word comparison.
+ This removes equality from a LTE or GTE comparison. */
+static inline TCGCond tcg_high_cond(TCGCond c)
+{
+ switch (c) {
+ case TCG_COND_GE:
+ case TCG_COND_LE:
+ case TCG_COND_GEU:
+ case TCG_COND_LEU:
+ return (TCGCond)(c ^ 8);
+ default:
+ return c;
+ }
}
#define TEMP_VAL_DEAD 0
diff --git a/tcg/tci/tcg-target.c b/tcg/tci/tcg-target.c
index d272a906e8..e930740835 100644
--- a/tcg/tci/tcg-target.c
+++ b/tcg/tci/tcg-target.c
@@ -69,7 +69,6 @@ static const TCGTargetOpDef tcg_target_op_defs[] = {
{ INDEX_op_exit_tb, { NULL } },
{ INDEX_op_goto_tb, { NULL } },
{ INDEX_op_call, { RI } },
- { INDEX_op_jmp, { RI } },
{ INDEX_op_br, { NULL } },
{ INDEX_op_mov_i32, { R, R } },
@@ -583,9 +582,6 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc, const TCGArg *args,
case INDEX_op_call:
tcg_out_ri(s, const_args[0], args[0]);
break;
- case INDEX_op_jmp:
- TODO();
- break;
case INDEX_op_setcond_i32:
tcg_out_r(s, args[0]);
tcg_out_r(s, args[1]);
generated by cgit v1.2.3 (git 2.26.2) at 2024-12-27 10:09:28 +0000