@@ -40,6 +40,7 @@ typedef enum {
/* optional instructions */
#define TCG_TARGET_HAS_div_i32 0
+#define TCG_TARGET_HAS_rem_i32 0
#define TCG_TARGET_HAS_ext8s_i32 1
#define TCG_TARGET_HAS_ext16s_i32 1
#define TCG_TARGET_HAS_ext8u_i32 1
@@ -62,6 +63,7 @@ typedef enum {
#define TCG_TARGET_HAS_muls2_i32 0
#define TCG_TARGET_HAS_div_i64 0
+#define TCG_TARGET_HAS_rem_i64 0
#define TCG_TARGET_HAS_ext8s_i64 1
#define TCG_TARGET_HAS_ext16s_i64 1
#define TCG_TARGET_HAS_ext32s_i64 1
@@ -76,8 +76,10 @@ typedef enum {
#ifdef __ARM_ARCH_EXT_IDIV__
#define TCG_TARGET_HAS_div_i32 1
+#define TCG_TARGET_HAS_rem_i32 1
#else
#define TCG_TARGET_HAS_div_i32 0
+#define TCG_TARGET_HAS_rem_i32 0
#endif
extern bool tcg_target_deposit_valid(int ofs, int len);
@@ -85,6 +85,7 @@ typedef enum {
/* optional instructions */
#define TCG_TARGET_HAS_div_i32 0
+#define TCG_TARGET_HAS_rem_i32 0
#define TCG_TARGET_HAS_rot_i32 1
#define TCG_TARGET_HAS_ext8s_i32 1
#define TCG_TARGET_HAS_ext16s_i32 1
@@ -104,7 +104,9 @@ typedef enum {
/* optional instructions */
#define TCG_TARGET_HAS_div_i32 0
+#define TCG_TARGET_HAS_rem_i32 0
#define TCG_TARGET_HAS_div_i64 0
+#define TCG_TARGET_HAS_rem_i64 0
#define TCG_TARGET_HAS_andc_i32 1
#define TCG_TARGET_HAS_andc_i64 1
#define TCG_TARGET_HAS_bswap16_i32 1
@@ -79,6 +79,7 @@ typedef enum {
/* optional instructions */
#define TCG_TARGET_HAS_div_i32 1
+#define TCG_TARGET_HAS_rem_i32 1
#define TCG_TARGET_HAS_not_i32 1
#define TCG_TARGET_HAS_nor_i32 1
#define TCG_TARGET_HAS_ext8s_i32 1
@@ -78,6 +78,7 @@ typedef enum {
/* optional instructions */
#define TCG_TARGET_HAS_div_i32 1
+#define TCG_TARGET_HAS_rem_i32 1
#define TCG_TARGET_HAS_rot_i32 1
#define TCG_TARGET_HAS_ext8s_i32 1
#define TCG_TARGET_HAS_ext16s_i32 1
@@ -76,6 +76,7 @@ typedef enum {
/* optional instructions */
#define TCG_TARGET_HAS_div_i32 1
+#define TCG_TARGET_HAS_rem_i32 1
#define TCG_TARGET_HAS_rot_i32 1
#define TCG_TARGET_HAS_ext8s_i32 1
#define TCG_TARGET_HAS_ext16s_i32 1
@@ -96,6 +97,7 @@ typedef enum {
#define TCG_TARGET_HAS_muls2_i32 0
#define TCG_TARGET_HAS_div_i64 1
+#define TCG_TARGET_HAS_rem_i64 1
#define TCG_TARGET_HAS_rot_i64 1
#define TCG_TARGET_HAS_ext8s_i64 1
#define TCG_TARGET_HAS_ext16s_i64 1
@@ -86,6 +86,7 @@ typedef enum {
/* optional instructions */
#define TCG_TARGET_HAS_div_i32 1
+#define TCG_TARGET_HAS_rem_i32 1
#define TCG_TARGET_HAS_rot_i32 0
#define TCG_TARGET_HAS_ext8s_i32 0
#define TCG_TARGET_HAS_ext16s_i32 0
@@ -109,6 +110,7 @@ typedef enum {
#if TCG_TARGET_REG_BITS == 64
#define TCG_TARGET_HAS_div_i64 1
+#define TCG_TARGET_HAS_rem_i64 1
#define TCG_TARGET_HAS_rot_i64 0
#define TCG_TARGET_HAS_ext8s_i64 0
#define TCG_TARGET_HAS_ext16s_i64 0
@@ -731,8 +731,14 @@ static inline void tcg_gen_div_i32(TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32 arg2)
static inline void tcg_gen_rem_i32(TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32 arg2)
{
- if (TCG_TARGET_HAS_div_i32) {
+ if (TCG_TARGET_HAS_rem_i32) {
tcg_gen_op3_i32(INDEX_op_rem_i32, ret, arg1, arg2);
+ } else if (TCG_TARGET_HAS_div_i32) {
+ TCGv_i32 t0 = tcg_temp_new_i32();
+ tcg_gen_op3_i32(INDEX_op_div_i32, t0, arg1, arg2);
+ tcg_gen_mul_i32(t0, t0, arg2);
+ tcg_gen_sub_i32(ret, arg1, t0);
+ tcg_temp_free_i32(t0);
} else if (TCG_TARGET_HAS_div2_i32) {
TCGv_i32 t0 = tcg_temp_new_i32();
tcg_gen_sari_i32(t0, arg1, 31);
@@ -769,8 +775,14 @@ static inline void tcg_gen_divu_i32(TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32 arg2)
static inline void tcg_gen_remu_i32(TCGv_i32 ret, TCGv_i32 arg1, TCGv_i32 arg2)
{
- if (TCG_TARGET_HAS_div_i32) {
+ if (TCG_TARGET_HAS_rem_i32) {
tcg_gen_op3_i32(INDEX_op_remu_i32, ret, arg1, arg2);
+ } else if (TCG_TARGET_HAS_div_i32) {
+ TCGv_i32 t0 = tcg_temp_new_i32();
+ tcg_gen_op3_i32(INDEX_op_divu_i32, t0, arg1, arg2);
+ tcg_gen_mul_i32(t0, t0, arg2);
+ tcg_gen_sub_i32(ret, arg1, t0);
+ tcg_temp_free_i32(t0);
} else if (TCG_TARGET_HAS_div2_i32) {
TCGv_i32 t0 = tcg_temp_new_i32();
tcg_gen_movi_i32(t0, 0);
@@ -1361,8 +1373,14 @@ static inline void tcg_gen_div_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2)
static inline void tcg_gen_rem_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2)
{
- if (TCG_TARGET_HAS_div_i64) {
+ if (TCG_TARGET_HAS_rem_i64) {
tcg_gen_op3_i64(INDEX_op_rem_i64, ret, arg1, arg2);
+ } else if (TCG_TARGET_HAS_div_i64) {
+ TCGv_i64 t0 = tcg_temp_new_i64();
+ tcg_gen_op3_i64(INDEX_op_div_i64, t0, arg1, arg2);
+ tcg_gen_mul_i64(t0, t0, arg2);
+ tcg_gen_sub_i64(ret, arg1, t0);
+ tcg_temp_free_i64(t0);
} else if (TCG_TARGET_HAS_div2_i64) {
TCGv_i64 t0 = tcg_temp_new_i64();
tcg_gen_sari_i64(t0, arg1, 63);
@@ -1399,8 +1417,14 @@ static inline void tcg_gen_divu_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2)
static inline void tcg_gen_remu_i64(TCGv_i64 ret, TCGv_i64 arg1, TCGv_i64 arg2)
{
- if (TCG_TARGET_HAS_div_i64) {
+ if (TCG_TARGET_HAS_rem_i64) {
tcg_gen_op3_i64(INDEX_op_remu_i64, ret, arg1, arg2);
+ } else if (TCG_TARGET_HAS_div_i64) {
+ TCGv_i64 t0 = tcg_temp_new_i64();
+ tcg_gen_op3_i64(INDEX_op_divu_i64, t0, arg1, arg2);
+ tcg_gen_mul_i64(t0, t0, arg2);
+ tcg_gen_sub_i64(ret, arg1, t0);
+ tcg_temp_free_i64(t0);
} else if (TCG_TARGET_HAS_div2_i64) {
TCGv_i64 t0 = tcg_temp_new_i64();
tcg_gen_movi_i64(t0, 0);
@@ -66,8 +66,8 @@ DEF(sub_i32, 1, 2, 0, 0)
DEF(mul_i32, 1, 2, 0, 0)
DEF(div_i32, 1, 2, 0, IMPL(TCG_TARGET_HAS_div_i32))
DEF(divu_i32, 1, 2, 0, IMPL(TCG_TARGET_HAS_div_i32))
-DEF(rem_i32, 1, 2, 0, IMPL(TCG_TARGET_HAS_div_i32))
-DEF(remu_i32, 1, 2, 0, IMPL(TCG_TARGET_HAS_div_i32))
+DEF(rem_i32, 1, 2, 0, IMPL(TCG_TARGET_HAS_rem_i32))
+DEF(remu_i32, 1, 2, 0, IMPL(TCG_TARGET_HAS_rem_i32))
DEF(div2_i32, 2, 3, 0, IMPL(TCG_TARGET_HAS_div2_i32))
DEF(divu2_i32, 2, 3, 0, IMPL(TCG_TARGET_HAS_div2_i32))
DEF(and_i32, 1, 2, 0, 0)
@@ -126,8 +126,8 @@ DEF(sub_i64, 1, 2, 0, IMPL64)
DEF(mul_i64, 1, 2, 0, IMPL64)
DEF(div_i64, 1, 2, 0, IMPL64 | IMPL(TCG_TARGET_HAS_div_i64))
DEF(divu_i64, 1, 2, 0, IMPL64 | IMPL(TCG_TARGET_HAS_div_i64))
-DEF(rem_i64, 1, 2, 0, IMPL64 | IMPL(TCG_TARGET_HAS_div_i64))
-DEF(remu_i64, 1, 2, 0, IMPL64 | IMPL(TCG_TARGET_HAS_div_i64))
+DEF(rem_i64, 1, 2, 0, IMPL64 | IMPL(TCG_TARGET_HAS_rem_i64))
+DEF(remu_i64, 1, 2, 0, IMPL64 | IMPL(TCG_TARGET_HAS_rem_i64))
DEF(div2_i64, 2, 3, 0, IMPL64 | IMPL(TCG_TARGET_HAS_div2_i64))
DEF(divu2_i64, 2, 3, 0, IMPL64 | IMPL(TCG_TARGET_HAS_div2_i64))
DEF(and_i64, 1, 2, 0, IMPL64)
@@ -60,6 +60,7 @@ typedef uint64_t TCGRegSet;
#if TCG_TARGET_REG_BITS == 32
/* Turn some undef macros into false macros. */
#define TCG_TARGET_HAS_div_i64 0
+#define TCG_TARGET_HAS_rem_i64 0
#define TCG_TARGET_HAS_div2_i64 0
#define TCG_TARGET_HAS_rot_i64 0
#define TCG_TARGET_HAS_ext8s_i64 0
@@ -102,11 +103,13 @@ typedef uint64_t TCGRegSet;
#define TCG_TARGET_HAS_div2_i32 0
#elif defined(TCG_TARGET_HAS_div2_i32)
#define TCG_TARGET_HAS_div_i32 0
+#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
+#define TCG_TARGET_HAS_rem_i64 0
#endif
typedef enum TCGOpcode {
@@ -59,9 +59,8 @@
#define TCG_TARGET_HAS_bswap16_i32 1
#define TCG_TARGET_HAS_bswap32_i32 1
-/* Not more than one of the next two defines must be 1. */
#define TCG_TARGET_HAS_div_i32 1
-#define TCG_TARGET_HAS_div2_i32 0
+#define TCG_TARGET_HAS_rem_i32 1
#define TCG_TARGET_HAS_ext8s_i32 1
#define TCG_TARGET_HAS_ext16s_i32 1
#define TCG_TARGET_HAS_ext8u_i32 1
@@ -83,9 +82,8 @@
#define TCG_TARGET_HAS_bswap32_i64 1
#define TCG_TARGET_HAS_bswap64_i64 1
#define TCG_TARGET_HAS_deposit_i64 1
-/* Not more than one of the next two defines must be 1. */
#define TCG_TARGET_HAS_div_i64 0
-#define TCG_TARGET_HAS_div2_i64 0
+#define TCG_TARGET_HAS_rem_i64 0
#define TCG_TARGET_HAS_ext8s_i64 1
#define TCG_TARGET_HAS_ext16s_i64 1
#define TCG_TARGET_HAS_ext32s_i64 1
There are several hosts with only a "div" insn. Remainder is computed manually from the quotient and inputs. We can do this generically. Signed-off-by: Richard Henderson <rth@twiddle.net> --- tcg/aarch64/tcg-target.h | 2 ++ tcg/arm/tcg-target.h | 2 ++ tcg/hppa/tcg-target.h | 1 + tcg/ia64/tcg-target.h | 2 ++ tcg/mips/tcg-target.h | 1 + tcg/ppc/tcg-target.h | 1 + tcg/ppc64/tcg-target.h | 2 ++ tcg/sparc/tcg-target.h | 2 ++ tcg/tcg-op.h | 32 ++++++++++++++++++++++++++++---- tcg/tcg-opc.h | 8 ++++---- tcg/tcg.h | 3 +++ tcg/tci/tcg-target.h | 6 ++---- 12 files changed, 50 insertions(+), 12 deletions(-)