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tcg: Convert divu to TCGOutOpBinary

Browse source 
For TCI, we're losing type information in the interpreter.
Introduce a tci-specific opcode to handle the difference.

Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2025-01-07 14:10:27 -08:00
parent b2c514f9d5
commit 6d1a2365ea
23 changed files with 157 additions and 126 deletions
Download patch file Download diff file Expand all files Collapse all files

2
tcg/aarch64/tcg-target-has.h
View file

@ -13,7 +13,6 @@
#define have_lse2 (cpuinfo & CPUINFO_LSE2)
/* optional instructions */
#define TCG_TARGET_HAS_div_i32 1
#define TCG_TARGET_HAS_rem_i32 1
#define TCG_TARGET_HAS_bswap16_i32 1
#define TCG_TARGET_HAS_bswap32_i32 1
@ -30,7 +29,6 @@
#define TCG_TARGET_HAS_extr_i64_i32 0
#define TCG_TARGET_HAS_qemu_st8_i32 0
#define TCG_TARGET_HAS_div_i64 1
#define TCG_TARGET_HAS_rem_i64 1
#define TCG_TARGET_HAS_bswap16_i64 1
#define TCG_TARGET_HAS_bswap32_i64 1

18
tcg/aarch64/tcg-target.c.inc
View file

@ -2168,6 +2168,17 @@ static const TCGOutOpBinary outop_divs = {
.out_rrr = tgen_divs,
};
static void tgen_divu(TCGContext *s, TCGType type,
TCGReg a0, TCGReg a1, TCGReg a2)
{
tcg_out_insn(s, 3508, UDIV, type, a0, a1, a2);
}
static const TCGOutOpBinary outop_divu = {
.base.static_constraint = C_O1_I2(r, r, r),
.out_rrr = tgen_divu,
};
static void tgen_eqv(TCGContext *s, TCGType type,
TCGReg a0, TCGReg a1, TCGReg a2)
{
@ -2373,11 +2384,6 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc, TCGType ext,
tcg_out_ldst(s, I3312_STRX, a0, a1, a2, 3);
break;
case INDEX_op_divu_i64:
case INDEX_op_divu_i32:
tcg_out_insn(s, 3508, UDIV, ext, a0, a1, a2);
break;
case INDEX_op_rem_i64:
case INDEX_op_rem_i32:
tcg_out_insn(s, 3508, SDIV, ext, TCG_REG_TMP0, a1, a2);
@ -3064,8 +3070,6 @@ tcg_target_op_def(TCGOpcode op, TCGType type, unsigned flags)
case INDEX_op_negsetcond_i64:
return C_O1_I2(r, r, rC);
case INDEX_op_divu_i32:
case INDEX_op_divu_i64:
case INDEX_op_rem_i32:
case INDEX_op_rem_i64:
case INDEX_op_remu_i32:

1
tcg/arm/tcg-target-has.h
View file

@ -34,7 +34,6 @@ extern bool use_neon_instructions;
#define TCG_TARGET_HAS_negsetcond_i32 1
#define TCG_TARGET_HAS_mulu2_i32 1
#define TCG_TARGET_HAS_muls2_i32 1
#define TCG_TARGET_HAS_div_i32 use_idiv_instructions
#define TCG_TARGET_HAS_rem_i32 0
#define TCG_TARGET_HAS_qemu_st8_i32 0

26
tcg/arm/tcg-target.c.inc
View file

@ -937,12 +937,6 @@ static void tcg_out_smull32(TCGContext *s, ARMCond cond, TCGReg rd0,
(rd1 << 16) | (rd0 << 12) | (rm << 8) | rn);
}
static void tcg_out_udiv(TCGContext *s, ARMCond cond,
TCGReg rd, TCGReg rn, TCGReg rm)
{
tcg_out32(s, 0x0730f010 | (cond << 28) | (rd << 16) | rn | (rm << 8));
}
static void tcg_out_ext8s(TCGContext *s, TCGType t, TCGReg rd, TCGReg rn)
{
/* sxtb */
@ -1886,6 +1880,19 @@ static const TCGOutOpBinary outop_divs = {
.out_rrr = tgen_divs,
};
static void tgen_divu(TCGContext *s, TCGType type,
TCGReg a0, TCGReg a1, TCGReg a2)
{
/* udiv */
tcg_out32(s, 0x0730f010 | (COND_AL << 28) | (a0 << 16) | a1 | (a2 << 8));
}
static const TCGOutOpBinary outop_divu = {
.base.static_constraint = C_Dynamic,
.base.dynamic_constraint = cset_idiv,
.out_rrr = tgen_divu,
};
static const TCGOutOpBinary outop_eqv = {
.base.static_constraint = C_NotImplemented,
};
@ -2230,10 +2237,6 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc, TCGType type,
}
break;
case INDEX_op_divu_i32:
tcg_out_udiv(s, COND_AL, args[0], args[1], args[2]);
break;
case INDEX_op_mb:
tcg_out_mb(s, args[0]);
break;
@ -2277,9 +2280,6 @@ tcg_target_op_def(TCGOpcode op, TCGType type, unsigned flags)
case INDEX_op_ctz_i32:
return C_O1_I2(r, r, rIK);
case INDEX_op_divu_i32:
return C_O1_I2(r, r, r);
case INDEX_op_mulu2_i32:
case INDEX_op_muls2_i32:
return C_O2_I2(r, r, r, r);

4
tcg/i386/tcg-target.c.inc
View file

@ -2637,6 +2637,10 @@ static const TCGOutOpBinary outop_divs = {
.base.static_constraint = C_NotImplemented,
};
static const TCGOutOpBinary outop_divu = {
.base.static_constraint = C_NotImplemented,
};
static const TCGOutOpBinary outop_eqv = {
.base.static_constraint = C_NotImplemented,
};

2
tcg/loongarch64/tcg-target-has.h
View file

@ -11,7 +11,6 @@
/* optional instructions */
#define TCG_TARGET_HAS_negsetcond_i32 0
#define TCG_TARGET_HAS_div_i32 1
#define TCG_TARGET_HAS_rem_i32 1
#define TCG_TARGET_HAS_div2_i32 0
#define TCG_TARGET_HAS_rot_i32 1
@ -29,7 +28,6 @@
/* 64-bit operations */
#define TCG_TARGET_HAS_negsetcond_i64 0
#define TCG_TARGET_HAS_div_i64 1
#define TCG_TARGET_HAS_rem_i64 1
#define TCG_TARGET_HAS_div2_i64 0
#define TCG_TARGET_HAS_rot_i64 1

24
tcg/loongarch64/tcg-target.c.inc
View file

@ -1343,6 +1343,21 @@ static const TCGOutOpBinary outop_divs = {
.out_rrr = tgen_divs,
};
static void tgen_divu(TCGContext *s, TCGType type,
TCGReg a0, TCGReg a1, TCGReg a2)
{
if (type == TCG_TYPE_I32) {
tcg_out_opc_div_wu(s, a0, a1, a2);
} else {
tcg_out_opc_div_du(s, a0, a1, a2);
}
}
static const TCGOutOpBinary outop_divu = {
.base.static_constraint = C_O1_I2(r, r, r),
.out_rrr = tgen_divu,
};
static const TCGOutOpBinary outop_eqv = {
.base.static_constraint = C_NotImplemented,
};
@ -1686,13 +1701,6 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc, TCGType type,
}
break;
case INDEX_op_divu_i32:
tcg_out_opc_div_wu(s, a0, a1, a2);
break;
case INDEX_op_divu_i64:
tcg_out_opc_div_du(s, a0, a1, a2);
break;
case INDEX_op_rem_i32:
tcg_out_opc_mod_w(s, a0, a1, a2);
break;
@ -2365,8 +2373,6 @@ tcg_target_op_def(TCGOpcode op, TCGType type, unsigned flags)
case INDEX_op_setcond_i64:
return C_O1_I2(r, rz, rJ);
case INDEX_op_divu_i32:
case INDEX_op_divu_i64:
case INDEX_op_rem_i32:
case INDEX_op_rem_i64:
case INDEX_op_remu_i32:

2
tcg/mips/tcg-target-has.h
View file

@ -39,7 +39,6 @@ extern bool use_mips32r2_instructions;
#endif
/* optional instructions */
#define TCG_TARGET_HAS_div_i32 1
#define TCG_TARGET_HAS_rem_i32 1
#define TCG_TARGET_HAS_mulu2_i32 (!use_mips32r6_instructions)
#define TCG_TARGET_HAS_muls2_i32 (!use_mips32r6_instructions)
@ -51,7 +50,6 @@ extern bool use_mips32r2_instructions;
#define TCG_TARGET_HAS_add2_i32 0
#define TCG_TARGET_HAS_sub2_i32 0
#define TCG_TARGET_HAS_extr_i64_i32 1
#define TCG_TARGET_HAS_div_i64 1
#define TCG_TARGET_HAS_rem_i64 1
#define TCG_TARGET_HAS_add2_i64 0
#define TCG_TARGET_HAS_sub2_i64 0

37
tcg/mips/tcg-target.c.inc
View file

@ -1733,6 +1733,27 @@ static const TCGOutOpBinary outop_divs = {
.out_rrr = tgen_divs,
};
static void tgen_divu(TCGContext *s, TCGType type,
TCGReg a0, TCGReg a1, TCGReg a2)
{
if (use_mips32r6_instructions) {
if (type == TCG_TYPE_I32) {
tcg_out_opc_reg(s, OPC_DIVU_R6, a0, a1, a2);
} else {
tcg_out_opc_reg(s, OPC_DDIVU_R6, a0, a1, a2);
}
} else {
MIPSInsn insn = type == TCG_TYPE_I32 ? OPC_DIVU : OPC_DDIVU;
tcg_out_opc_reg(s, insn, 0, a1, a2);
tcg_out_opc_reg(s, OPC_MFLO, a0, 0, 0);
}
}
static const TCGOutOpBinary outop_divu = {
.base.static_constraint = C_O1_I2(r, r, r),
.out_rrr = tgen_divu,
};
static const TCGOutOpBinary outop_eqv = {
.base.static_constraint = C_NotImplemented,
};
@ -1960,13 +1981,6 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc, TCGType type,
tcg_out_ldst(s, i1, a0, a1, a2);
break;
case INDEX_op_divu_i32:
if (use_mips32r6_instructions) {
tcg_out_opc_reg(s, OPC_DIVU_R6, a0, a1, a2);
break;
}
i1 = OPC_DIVU, i2 = OPC_MFLO;
goto do_hilo1;
case INDEX_op_rem_i32:
if (use_mips32r6_instructions) {
tcg_out_opc_reg(s, OPC_MOD, a0, a1, a2);
@ -1981,13 +1995,6 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc, TCGType type,
}
i1 = OPC_DIVU, i2 = OPC_MFHI;
goto do_hilo1;
case INDEX_op_divu_i64:
if (use_mips32r6_instructions) {
tcg_out_opc_reg(s, OPC_DDIVU_R6, a0, a1, a2);
break;
}
i1 = OPC_DDIVU, i2 = OPC_MFLO;
goto do_hilo1;
case INDEX_op_rem_i64:
if (use_mips32r6_instructions) {
tcg_out_opc_reg(s, OPC_DMOD, a0, a1, a2);
@ -2260,11 +2267,9 @@ tcg_target_op_def(TCGOpcode op, TCGType type, unsigned flags)
case INDEX_op_st_i64:
return C_O0_I2(rz, r);
case INDEX_op_divu_i32:
case INDEX_op_rem_i32:
case INDEX_op_remu_i32:
case INDEX_op_setcond_i32:
case INDEX_op_divu_i64:
case INDEX_op_rem_i64:
case INDEX_op_remu_i64:
case INDEX_op_setcond_i64:

2
tcg/ppc/tcg-target-has.h
View file

@ -17,7 +17,6 @@
#define have_vsx (cpuinfo & CPUINFO_VSX)
/* optional instructions */
#define TCG_TARGET_HAS_div_i32 1
#define TCG_TARGET_HAS_rem_i32 have_isa_3_00
#define TCG_TARGET_HAS_rot_i32 1
#define TCG_TARGET_HAS_bswap16_i32 1
@ -35,7 +34,6 @@
#define TCG_TARGET_HAS_add2_i32 0
#define TCG_TARGET_HAS_sub2_i32 0
#define TCG_TARGET_HAS_extr_i64_i32 0
#define TCG_TARGET_HAS_div_i64 1
#define TCG_TARGET_HAS_rem_i64 have_isa_3_00
#define TCG_TARGET_HAS_rot_i64 1
#define TCG_TARGET_HAS_bswap16_i64 1

21
tcg/ppc/tcg-target.c.inc
View file

@ -2972,6 +2972,18 @@ static const TCGOutOpBinary outop_divs = {
.out_rrr = tgen_divs,
};
static void tgen_divu(TCGContext *s, TCGType type,
TCGReg a0, TCGReg a1, TCGReg a2)
{
uint32_t insn = type == TCG_TYPE_I32 ? DIVWU : DIVDU;
tcg_out32(s, insn | TAB(a0, a1, a2));
}
static const TCGOutOpBinary outop_divu = {
.base.static_constraint = C_O1_I2(r, r, r),
.out_rrr = tgen_divu,
};
static const TCGOutOpBinary outop_eqv = {
.base.static_constraint = C_O1_I2(r, r, r),
.out_rrr = tgen_eqv,
@ -3221,10 +3233,6 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc, TCGType type,
tcg_out32(s, CNTPOPD | SAB(args[1], args[0], 0));
break;
case INDEX_op_divu_i32:
tcg_out32(s, DIVWU | TAB(args[0], args[1], args[2]));
break;
case INDEX_op_rem_i32:
tcg_out32(s, MODSW | TAB(args[0], args[1], args[2]));
break;
@ -3325,9 +3333,6 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc, TCGType type,
}
break;
case INDEX_op_divu_i64:
tcg_out32(s, DIVDU | TAB(args[0], args[1], args[2]));
break;
case INDEX_op_rem_i64:
tcg_out32(s, MODSD | TAB(args[0], args[1], args[2]));
break;
@ -4189,10 +4194,8 @@ tcg_target_op_def(TCGOpcode op, TCGType type, unsigned flags)
case INDEX_op_rotr_i64:
return C_O1_I2(r, r, ri);
case INDEX_op_divu_i32:
case INDEX_op_rem_i32:
case INDEX_op_remu_i32:
case INDEX_op_divu_i64:
case INDEX_op_rem_i64:
case INDEX_op_remu_i64:
return C_O1_I2(r, r, r);

2
tcg/riscv/tcg-target-has.h
View file

@ -11,7 +11,6 @@
/* optional instructions */
#define TCG_TARGET_HAS_negsetcond_i32 1
#define TCG_TARGET_HAS_div_i32 1
#define TCG_TARGET_HAS_rem_i32 1
#define TCG_TARGET_HAS_div2_i32 0
#define TCG_TARGET_HAS_rot_i32 (cpuinfo & CPUINFO_ZBB)
@ -28,7 +27,6 @@
#define TCG_TARGET_HAS_qemu_st8_i32 0
#define TCG_TARGET_HAS_negsetcond_i64 1
#define TCG_TARGET_HAS_div_i64 1
#define TCG_TARGET_HAS_rem_i64 1
#define TCG_TARGET_HAS_div2_i64 0
#define TCG_TARGET_HAS_rot_i64 (cpuinfo & CPUINFO_ZBB)

21
tcg/riscv/tcg-target.c.inc
View file

@ -2009,6 +2009,18 @@ static const TCGOutOpBinary outop_divs = {
.out_rrr = tgen_divs,
};
static void tgen_divu(TCGContext *s, TCGType type,
TCGReg a0, TCGReg a1, TCGReg a2)
{
RISCVInsn insn = type == TCG_TYPE_I32 ? OPC_DIVUW : OPC_DIVU;
tcg_out_opc_reg(s, insn, a0, a1, a2);
}
static const TCGOutOpBinary outop_divu = {
.base.static_constraint = C_O1_I2(r, r, r),
.out_rrr = tgen_divu,
};
static void tgen_eqv(TCGContext *s, TCGType type,
TCGReg a0, TCGReg a1, TCGReg a2)
{
@ -2213,13 +2225,6 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc, TCGType type,
tcg_out_ldst(s, OPC_SD, a0, a1, a2);
break;
case INDEX_op_divu_i32:
tcg_out_opc_reg(s, OPC_DIVUW, a0, a1, a2);
break;
case INDEX_op_divu_i64:
tcg_out_opc_reg(s, OPC_DIVU, a0, a1, a2);
break;
case INDEX_op_rem_i32:
tcg_out_opc_reg(s, OPC_REMW, a0, a1, a2);
break;
@ -2735,10 +2740,8 @@ tcg_target_op_def(TCGOpcode op, TCGType type, unsigned flags)
case INDEX_op_negsetcond_i64:
return C_O1_I2(r, r, rI);
case INDEX_op_divu_i32:
case INDEX_op_rem_i32:
case INDEX_op_remu_i32:
case INDEX_op_divu_i64:
case INDEX_op_rem_i64:
case INDEX_op_remu_i64:
return C_O1_I2(r, rz, rz);

4
tcg/s390x/tcg-target.c.inc
View file

@ -2246,6 +2246,10 @@ static const TCGOutOpBinary outop_divs = {
.base.static_constraint = C_NotImplemented,
};
static const TCGOutOpBinary outop_divu = {
.base.static_constraint = C_NotImplemented,
};
static void tgen_eqv(TCGContext *s, TCGType type,
TCGReg a0, TCGReg a1, TCGReg a2)
{

2
tcg/sparc64/tcg-target-has.h
View file

@ -14,7 +14,6 @@ extern bool use_vis3_instructions;
#endif
/* optional instructions */
#define TCG_TARGET_HAS_div_i32 1
#define TCG_TARGET_HAS_rem_i32 0
#define TCG_TARGET_HAS_rot_i32 0
#define TCG_TARGET_HAS_bswap16_i32 0
@ -31,7 +30,6 @@ extern bool use_vis3_instructions;
#define TCG_TARGET_HAS_qemu_st8_i32 0
#define TCG_TARGET_HAS_extr_i64_i32 0
#define TCG_TARGET_HAS_div_i64 1
#define TCG_TARGET_HAS_rem_i64 0
#define TCG_TARGET_HAS_rot_i64 0
#define TCG_TARGET_HAS_bswap16_i64 0

61
tcg/sparc64/tcg-target.c.inc
View file

@ -596,21 +596,6 @@ static void tcg_out_sety(TCGContext *s, TCGReg rs)
tcg_out32(s, WRY | INSN_RS1(TCG_REG_G0) | INSN_RS2(rs));
}
static void tcg_out_div32(TCGContext *s, TCGReg rd, TCGReg rs1,
int32_t val2, int val2const, int uns)
{
/* Load Y with the sign/zero extension of RS1 to 64-bits. */
if (uns) {
tcg_out_sety(s, TCG_REG_G0);
} else {
tcg_out_arithi(s, TCG_REG_T1, rs1, 31, SHIFT_SRA);
tcg_out_sety(s, TCG_REG_T1);
}
tcg_out_arithc(s, rd, rs1, val2, val2const,
uns ? ARITH_UDIV : ARITH_SDIV);
}
static const uint8_t tcg_cond_to_bcond[16] = {
[TCG_COND_EQ] = COND_E,
[TCG_COND_NE] = COND_NE,
@ -1367,6 +1352,39 @@ static const TCGOutOpBinary outop_divs = {
.out_rri = tgen_divsi,
};
static void tgen_divu_rJ(TCGContext *s, TCGType type,
TCGReg a0, TCGReg a1, TCGArg a2, bool c2)
{
uint32_t insn;
if (type == TCG_TYPE_I32) {
/* Load Y with the zero extension to 64-bits. */
tcg_out_sety(s, TCG_REG_G0);
insn = ARITH_UDIV;
} else {
insn = ARITH_UDIVX;
}
tcg_out_arithc(s, a0, a1, a2, c2, insn);
}
static void tgen_divu(TCGContext *s, TCGType type,
TCGReg a0, TCGReg a1, TCGReg a2)
{
tgen_divu_rJ(s, type, a0, a1, a2, false);
}
static void tgen_divui(TCGContext *s, TCGType type,
TCGReg a0, TCGReg a1, tcg_target_long a2)
{
tgen_divu_rJ(s, type, a0, a1, a2, true);
}
static const TCGOutOpBinary outop_divu = {
.base.static_constraint = C_O1_I2(r, r, rJ),
.out_rrr = tgen_divu,
.out_rri = tgen_divui,
};
static const TCGOutOpBinary outop_eqv = {
.base.static_constraint = C_NotImplemented,
};
@ -1566,10 +1584,6 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc, TCGType type,
c = SHIFT_SRA;
goto do_shift32;
case INDEX_op_divu_i32:
tcg_out_div32(s, a0, a1, a2, c2, 1);
break;
case INDEX_op_brcond_i32:
tcg_out_brcond_i32(s, a2, a0, a1, const_args[1], arg_label(args[3]));
break;
@ -1638,9 +1652,6 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc, TCGType type,
case INDEX_op_sar_i64:
c = SHIFT_SRAX;
goto do_shift64;
case INDEX_op_divu_i64:
c = ARITH_UDIVX;
goto gen_arith;
case INDEX_op_brcond_i64:
tcg_out_brcond_i64(s, a2, a0, a1, const_args[1], arg_label(args[3]));
@ -1663,10 +1674,6 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc, TCGType type,
const_args[4], args[5], const_args[5], true);
break;
gen_arith:
tcg_out_arithc(s, a0, a1, a2, c2, c);
break;
case INDEX_op_mb:
tcg_out_mb(s, a0);
break;
@ -1728,8 +1735,6 @@ tcg_target_op_def(TCGOpcode op, TCGType type, unsigned flags)
case INDEX_op_qemu_st_i64:
return C_O0_I2(rz, r);
case INDEX_op_divu_i32:
case INDEX_op_divu_i64:
case INDEX_op_shl_i32:
case INDEX_op_shl_i64:
case INDEX_op_shr_i32:

15
tcg/tcg-has.h
View file

@ -33,17 +33,16 @@
#define TCG_TARGET_HAS_sub2_i32 1
#endif
/* Only one of DIV or DIV2 should be defined. */
#if defined(TCG_TARGET_HAS_div_i32)
#ifndef TCG_TARGET_HAS_div2_i32
#define TCG_TARGET_HAS_div2_i32 0
#elif defined(TCG_TARGET_HAS_div2_i32)
#define TCG_TARGET_HAS_div_i32 0
#endif
#ifndef TCG_TARGET_HAS_div2_i64
#define TCG_TARGET_HAS_div2_i64 0
#endif
#ifndef TCG_TARGET_HAS_rem_i32
#define TCG_TARGET_HAS_rem_i32 0
#endif
#if defined(TCG_TARGET_HAS_div_i64)
#define TCG_TARGET_HAS_div2_i64 0
#elif defined(TCG_TARGET_HAS_div2_i64)
#define TCG_TARGET_HAS_div_i64 0
#ifndef TCG_TARGET_HAS_rem_i64
#define TCG_TARGET_HAS_rem_i64 0
#endif

8
tcg/tcg-op.c
View file

@ -635,7 +635,7 @@ void tcg_gen_rem_i32(TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32 arg2)
void tcg_gen_divu_i32(TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32 arg2)
{
if (TCG_TARGET_HAS_div_i32) {
if (tcg_op_supported(INDEX_op_divu_i32, TCG_TYPE_I32, 0)) {
tcg_gen_op3_i32(INDEX_op_divu_i32, ret, arg1, arg2);
} else if (TCG_TARGET_HAS_div2_i32) {
TCGv_i32 t0 = tcg_temp_ebb_new_i32();
@ -651,7 +651,7 @@ void tcg_gen_remu_i32(TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32 arg2)
{
if (TCG_TARGET_HAS_rem_i32) {
tcg_gen_op3_i32(INDEX_op_remu_i32, ret, arg1, arg2);
} else if (TCG_TARGET_HAS_div_i32) {
} else if (tcg_op_supported(INDEX_op_divu_i32, TCG_TYPE_I32, 0)) {
TCGv_i32 t0 = tcg_temp_ebb_new_i32();
tcg_gen_op3_i32(INDEX_op_divu_i32, t0, arg1, arg2);
tcg_gen_mul_i32(t0, t0, arg2);
@ -2003,7 +2003,7 @@ void tcg_gen_rem_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2)
void tcg_gen_divu_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2)
{
if (TCG_TARGET_HAS_div_i64) {
if (tcg_op_supported(INDEX_op_divu_i64, TCG_TYPE_I64, 0)) {
tcg_gen_op3_i64(INDEX_op_divu_i64, ret, arg1, arg2);
} else if (TCG_TARGET_HAS_div2_i64) {
TCGv_i64 t0 = tcg_temp_ebb_new_i64();
@ -2019,7 +2019,7 @@ void tcg_gen_remu_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2)
{
if (TCG_TARGET_HAS_rem_i64) {
tcg_gen_op3_i64(INDEX_op_remu_i64, ret, arg1, arg2);
} else if (TCG_TARGET_HAS_div_i64) {
} else if (tcg_op_supported(INDEX_op_divu_i64, TCG_TYPE_I64, 0)) {
TCGv_i64 t0 = tcg_temp_ebb_new_i64();
tcg_gen_op3_i64(INDEX_op_divu_i64, t0, arg1, arg2);
tcg_gen_mul_i64(t0, t0, arg2);

8
tcg/tcg.c
View file

@ -1021,6 +1021,8 @@ static const TCGOutOp * const all_outop[NB_OPS] = {
OUTOP(INDEX_op_and, TCGOutOpBinary, outop_and),
OUTOP(INDEX_op_andc, TCGOutOpBinary, outop_andc),
OUTOP(INDEX_op_divs, TCGOutOpBinary, outop_divs),
OUTOP(INDEX_op_divu_i32, TCGOutOpBinary, outop_divu),
OUTOP(INDEX_op_divu_i64, TCGOutOpBinary, outop_divu),
OUTOP(INDEX_op_eqv, TCGOutOpBinary, outop_eqv),
OUTOP(INDEX_op_mul, TCGOutOpBinary, outop_mul),
OUTOP(INDEX_op_mulsh, TCGOutOpBinary, outop_mulsh),
@ -2261,8 +2263,6 @@ bool tcg_op_supported(TCGOpcode op, TCGType type, unsigned flags)
case INDEX_op_negsetcond_i32:
return TCG_TARGET_HAS_negsetcond_i32;
case INDEX_op_divu_i32:
return TCG_TARGET_HAS_div_i32;
case INDEX_op_rem_i32:
case INDEX_op_remu_i32:
return TCG_TARGET_HAS_rem_i32;
@ -2323,8 +2323,6 @@ bool tcg_op_supported(TCGOpcode op, TCGType type, unsigned flags)
case INDEX_op_negsetcond_i64:
return TCG_TARGET_HAS_negsetcond_i64;
case INDEX_op_divu_i64:
return TCG_TARGET_HAS_div_i64;
case INDEX_op_rem_i64:
case INDEX_op_remu_i64:
return TCG_TARGET_HAS_rem_i64;
@ -5417,6 +5415,8 @@ static void tcg_reg_alloc_op(TCGContext *s, const TCGOp *op)
case INDEX_op_and:
case INDEX_op_andc:
case INDEX_op_divs:
case INDEX_op_divu_i32:
case INDEX_op_divu_i64:
case INDEX_op_eqv:
case INDEX_op_mul:
case INDEX_op_mulsh:

3
tcg/tci.c
View file

@ -582,7 +582,7 @@ uintptr_t QEMU_DISABLE_CFI tcg_qemu_tb_exec(CPUArchState *env,
tci_args_rrr(insn, &r0, &r1, &r2);
regs[r0] = (int32_t)regs[r1] / (int32_t)regs[r2];
break;
case INDEX_op_divu_i32:
case INDEX_op_tci_divu32:
tci_args_rrr(insn, &r0, &r1, &r2);
regs[r0] = (uint32_t)regs[r1] / (uint32_t)regs[r2];
break;
@ -1101,6 +1101,7 @@ int print_insn_tci(bfd_vma addr, disassemble_info *info)
case INDEX_op_ctz_i32:
case INDEX_op_ctz_i64:
case INDEX_op_tci_divs32:
case INDEX_op_tci_divu32:
tci_args_rrr(insn, &r0, &r1, &r2);
info->fprintf_func(info->stream, "%-12s %s, %s, %s",
op_name, str_r(r0), str_r(r1), str_r(r2));

2
tcg/tci/tcg-target-has.h
View file

@ -9,7 +9,6 @@
#define TCG_TARGET_HAS_bswap16_i32 1
#define TCG_TARGET_HAS_bswap32_i32 1
#define TCG_TARGET_HAS_div_i32 1
#define TCG_TARGET_HAS_rem_i32 1
#define TCG_TARGET_HAS_extract2_i32 0
#define TCG_TARGET_HAS_clz_i32 1
@ -26,7 +25,6 @@
#define TCG_TARGET_HAS_bswap32_i64 1
#define TCG_TARGET_HAS_bswap64_i64 1
#define TCG_TARGET_HAS_extract2_i64 0
#define TCG_TARGET_HAS_div_i64 1
#define TCG_TARGET_HAS_rem_i64 1
#define TCG_TARGET_HAS_clz_i64 1
#define TCG_TARGET_HAS_ctz_i64 1

1
tcg/tci/tcg-target-opc.h.inc
View file

@ -3,3 +3,4 @@
DEF(tci_movi, 1, 0, 1, TCG_OPF_NOT_PRESENT)
DEF(tci_movl, 1, 0, 1, TCG_OPF_NOT_PRESENT)
DEF(tci_divs32, 1, 2, 0, TCG_OPF_NOT_PRESENT)
DEF(tci_divu32, 1, 2, 0, TCG_OPF_NOT_PRESENT)

17
tcg/tci/tcg-target.c.inc
View file

@ -79,8 +79,6 @@ tcg_target_op_def(TCGOpcode op, TCGType type, unsigned flags)
case INDEX_op_st_i64:
return C_O0_I2(r, r);
case INDEX_op_divu_i32:
case INDEX_op_divu_i64:
case INDEX_op_rem_i32:
case INDEX_op_rem_i64:
case INDEX_op_remu_i32:
@ -660,6 +658,20 @@ static const TCGOutOpBinary outop_divs = {
.out_rrr = tgen_divs,
};
static void tgen_divu(TCGContext *s, TCGType type,
TCGReg a0, TCGReg a1, TCGReg a2)
{
TCGOpcode opc = (type == TCG_TYPE_I32
? INDEX_op_tci_divu32
: INDEX_op_divu_i64);
tcg_out_op_rrr(s, opc, a0, a1, a2);
}
static const TCGOutOpBinary outop_divu = {
.base.static_constraint = C_O1_I2(r, r, r),
.out_rrr = tgen_divu,
};
static void tgen_eqv(TCGContext *s, TCGType type,
TCGReg a0, TCGReg a1, TCGReg a2)
{
@ -823,7 +835,6 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc, TCGType type,
CASE_32_64(sar)
CASE_32_64(rotl) /* Optional (TCG_TARGET_HAS_rot_*). */
CASE_32_64(rotr) /* Optional (TCG_TARGET_HAS_rot_*). */
CASE_32_64(divu) /* Optional (TCG_TARGET_HAS_div_*). */
CASE_32_64(rem) /* Optional (TCG_TARGET_HAS_div_*). */
CASE_32_64(remu) /* Optional (TCG_TARGET_HAS_div_*). */
CASE_32_64(clz) /* Optional (TCG_TARGET_HAS_clz_*). */