diff options
author | Richard Henderson <rth@twiddle.net> | 2012-09-21 10:13:34 -0700 |
---|---|---|
committer | Michael Roth <mdroth@linux.vnet.ibm.com> | 2012-10-09 01:42:08 -0500 |
commit | 6314cc0c7386888217fd857b79301866c8d9637c (patch) | |
tree | 181c1f2f40cf88d037b6f6530290a92811ddd280 /tcg | |
parent | cc10061717877fc65b5c734c43c55f471913ce92 (diff) |
tcg: Introduce movcond
Implemented with setcond if the target does not provide
the optional opcode.
Signed-off-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
Diffstat (limited to 'tcg')
-rw-r--r-- | tcg/README | 6 | ||||
-rw-r--r-- | tcg/arm/tcg-target.h | 1 | ||||
-rw-r--r-- | tcg/hppa/tcg-target.h | 1 | ||||
-rw-r--r-- | tcg/i386/tcg-target.h | 2 | ||||
-rw-r--r-- | tcg/ia64/tcg-target.h | 2 | ||||
-rw-r--r-- | tcg/mips/tcg-target.h | 1 | ||||
-rw-r--r-- | tcg/ppc/tcg-target.h | 1 | ||||
-rw-r--r-- | tcg/ppc64/tcg-target.h | 2 | ||||
-rw-r--r-- | tcg/s390/tcg-target.h | 2 | ||||
-rw-r--r-- | tcg/sparc/tcg-target.h | 2 | ||||
-rw-r--r-- | tcg/tcg-op.h | 40 | ||||
-rw-r--r-- | tcg/tcg-opc.h | 2 | ||||
-rw-r--r-- | tcg/tcg.c | 11 | ||||
-rw-r--r-- | tcg/tcg.h | 1 | ||||
-rw-r--r-- | tcg/tci/tcg-target.h | 2 |
15 files changed, 70 insertions, 6 deletions
diff --git a/tcg/README b/tcg/README index cfdfd96d09..d03ae05e34 100644 --- a/tcg/README +++ b/tcg/README @@ -307,6 +307,12 @@ dest = (t1 cond t2) Set DEST to 1 if (T1 cond T2) is true, otherwise set to 0. +* movcond_i32/i64 cond, dest, c1, c2, v1, v2 + +dest = (c1 cond c2 ? v1 : v2) + +Set DEST to V1 if (C1 cond C2) is true, otherwise set to V2. + ********* Type conversions * ext_i32_i64 t0, t1 diff --git a/tcg/arm/tcg-target.h b/tcg/arm/tcg-target.h index c0b8f7274d..e2299cadd3 100644 --- a/tcg/arm/tcg-target.h +++ b/tcg/arm/tcg-target.h @@ -73,6 +73,7 @@ typedef enum { #define TCG_TARGET_HAS_nand_i32 0 #define TCG_TARGET_HAS_nor_i32 0 #define TCG_TARGET_HAS_deposit_i32 0 +#define TCG_TARGET_HAS_movcond_i32 0 #define TCG_TARGET_HAS_GUEST_BASE diff --git a/tcg/hppa/tcg-target.h b/tcg/hppa/tcg-target.h index 01ef9605f7..4defd28577 100644 --- a/tcg/hppa/tcg-target.h +++ b/tcg/hppa/tcg-target.h @@ -96,6 +96,7 @@ typedef enum { #define TCG_TARGET_HAS_nand_i32 0 #define TCG_TARGET_HAS_nor_i32 0 #define TCG_TARGET_HAS_deposit_i32 1 +#define TCG_TARGET_HAS_movcond_i32 0 /* optional instructions automatically implemented */ #define TCG_TARGET_HAS_neg_i32 0 /* sub rd, 0, rs */ diff --git a/tcg/i386/tcg-target.h b/tcg/i386/tcg-target.h index 8be42f3ccb..504f9534ce 100644 --- a/tcg/i386/tcg-target.h +++ b/tcg/i386/tcg-target.h @@ -86,6 +86,7 @@ typedef enum { #define TCG_TARGET_HAS_nand_i32 0 #define TCG_TARGET_HAS_nor_i32 0 #define TCG_TARGET_HAS_deposit_i32 1 +#define TCG_TARGET_HAS_movcond_i32 0 #if TCG_TARGET_REG_BITS == 64 #define TCG_TARGET_HAS_div2_i64 1 @@ -107,6 +108,7 @@ typedef enum { #define TCG_TARGET_HAS_nand_i64 0 #define TCG_TARGET_HAS_nor_i64 0 #define TCG_TARGET_HAS_deposit_i64 1 +#define TCG_TARGET_HAS_movcond_i64 0 #endif #define TCG_TARGET_deposit_i32_valid(ofs, len) \ diff --git a/tcg/ia64/tcg-target.h b/tcg/ia64/tcg-target.h index c22962ac12..368aee4196 100644 --- a/tcg/ia64/tcg-target.h +++ b/tcg/ia64/tcg-target.h @@ -133,6 +133,8 @@ typedef enum { #define TCG_TARGET_HAS_rot_i64 1 #define TCG_TARGET_HAS_deposit_i32 0 #define TCG_TARGET_HAS_deposit_i64 0 +#define TCG_TARGET_HAS_movcond_i32 0 +#define TCG_TARGET_HAS_movcond_i64 0 /* optional instructions automatically implemented */ #define TCG_TARGET_HAS_neg_i32 0 /* sub r1, r0, r3 */ diff --git a/tcg/mips/tcg-target.h b/tcg/mips/tcg-target.h index 1c6193180c..9c68a32582 100644 --- a/tcg/mips/tcg-target.h +++ b/tcg/mips/tcg-target.h @@ -90,6 +90,7 @@ typedef enum { #define TCG_TARGET_HAS_eqv_i32 0 #define TCG_TARGET_HAS_nand_i32 0 #define TCG_TARGET_HAS_deposit_i32 0 +#define TCG_TARGET_HAS_movcond_i32 0 /* optional instructions automatically implemented */ #define TCG_TARGET_HAS_neg_i32 0 /* sub rd, zero, rt */ diff --git a/tcg/ppc/tcg-target.h b/tcg/ppc/tcg-target.h index 2f37fd289b..177eea1d79 100644 --- a/tcg/ppc/tcg-target.h +++ b/tcg/ppc/tcg-target.h @@ -92,6 +92,7 @@ typedef enum { #define TCG_TARGET_HAS_nand_i32 1 #define TCG_TARGET_HAS_nor_i32 1 #define TCG_TARGET_HAS_deposit_i32 1 +#define TCG_TARGET_HAS_movcond_i32 0 #define TCG_AREG0 TCG_REG_R27 diff --git a/tcg/ppc64/tcg-target.h b/tcg/ppc64/tcg-target.h index 97eec0843d..57569e8938 100644 --- a/tcg/ppc64/tcg-target.h +++ b/tcg/ppc64/tcg-target.h @@ -83,6 +83,7 @@ typedef enum { #define TCG_TARGET_HAS_nand_i32 0 #define TCG_TARGET_HAS_nor_i32 0 #define TCG_TARGET_HAS_deposit_i32 0 +#define TCG_TARGET_HAS_movcond_i32 0 #define TCG_TARGET_HAS_div_i64 1 #define TCG_TARGET_HAS_rot_i64 0 @@ -103,6 +104,7 @@ typedef enum { #define TCG_TARGET_HAS_nand_i64 0 #define TCG_TARGET_HAS_nor_i64 0 #define TCG_TARGET_HAS_deposit_i64 0 +#define TCG_TARGET_HAS_movcond_i64 0 #define TCG_AREG0 TCG_REG_R27 diff --git a/tcg/s390/tcg-target.h b/tcg/s390/tcg-target.h index 4f7dfaba50..ed55c331c6 100644 --- a/tcg/s390/tcg-target.h +++ b/tcg/s390/tcg-target.h @@ -63,6 +63,7 @@ typedef enum TCGReg { #define TCG_TARGET_HAS_nand_i32 0 #define TCG_TARGET_HAS_nor_i32 0 #define TCG_TARGET_HAS_deposit_i32 0 +#define TCG_TARGET_HAS_movcond_i32 0 #if TCG_TARGET_REG_BITS == 64 #define TCG_TARGET_HAS_div2_i64 1 @@ -84,6 +85,7 @@ typedef enum TCGReg { #define TCG_TARGET_HAS_nand_i64 0 #define TCG_TARGET_HAS_nor_i64 0 #define TCG_TARGET_HAS_deposit_i64 0 +#define TCG_TARGET_HAS_movcond_i64 0 #endif #define TCG_TARGET_HAS_GUEST_BASE diff --git a/tcg/sparc/tcg-target.h b/tcg/sparc/tcg-target.h index 0ea87bef72..d76257403d 100644 --- a/tcg/sparc/tcg-target.h +++ b/tcg/sparc/tcg-target.h @@ -102,6 +102,7 @@ typedef enum { #define TCG_TARGET_HAS_nand_i32 0 #define TCG_TARGET_HAS_nor_i32 0 #define TCG_TARGET_HAS_deposit_i32 0 +#define TCG_TARGET_HAS_movcond_i32 0 #if TCG_TARGET_REG_BITS == 64 #define TCG_TARGET_HAS_div_i64 1 @@ -123,6 +124,7 @@ typedef enum { #define TCG_TARGET_HAS_nand_i64 0 #define TCG_TARGET_HAS_nor_i64 0 #define TCG_TARGET_HAS_deposit_i64 0 +#define TCG_TARGET_HAS_movcond_i64 0 #endif #ifdef CONFIG_SOLARIS diff --git a/tcg/tcg-op.h b/tcg/tcg-op.h index 169d3b2b0d..6d28f82ad8 100644 --- a/tcg/tcg-op.h +++ b/tcg/tcg-op.h @@ -2118,6 +2118,44 @@ static inline void tcg_gen_deposit_i64(TCGv_i64 ret, TCGv_i64 arg1, tcg_temp_free_i64(t1); } +static inline void tcg_gen_movcond_i32(TCGCond cond, TCGv_i32 ret, + TCGv_i32 c1, TCGv_i32 c2, + TCGv_i32 v1, TCGv_i32 v2) +{ + if (TCG_TARGET_HAS_movcond_i32) { + tcg_gen_op6i_i32(INDEX_op_movcond_i32, ret, c1, c2, v1, v2, cond); + } else { + TCGv_i32 t0 = tcg_temp_new_i32(); + TCGv_i32 t1 = tcg_temp_new_i32(); + tcg_gen_setcond_i32(cond, t0, c1, c2); + tcg_gen_neg_i32(t0, t0); + tcg_gen_and_i32(t1, v1, t0); + tcg_gen_andc_i32(ret, v2, t0); + tcg_gen_or_i32(ret, ret, t1); + tcg_temp_free_i32(t0); + tcg_temp_free_i32(t1); + } +} + +static inline void tcg_gen_movcond_i64(TCGCond cond, TCGv_i64 ret, + TCGv_i64 c1, TCGv_i64 c2, + TCGv_i64 v1, TCGv_i64 v2) +{ + if (TCG_TARGET_HAS_movcond_i64) { + tcg_gen_op6i_i64(INDEX_op_movcond_i64, ret, c1, c2, v1, v2, cond); + } else { + TCGv_i64 t0 = tcg_temp_new_i64(); + TCGv_i64 t1 = tcg_temp_new_i64(); + tcg_gen_setcond_i64(cond, t0, c1, c2); + tcg_gen_neg_i64(t0, t0); + tcg_gen_and_i64(t1, v1, t0); + tcg_gen_andc_i64(ret, v2, t0); + tcg_gen_or_i64(ret, ret, t1); + tcg_temp_free_i64(t0); + tcg_temp_free_i64(t1); + } +} + /***************************************/ /* QEMU specific operations. Their type depend on the QEMU CPU type. */ @@ -2434,6 +2472,7 @@ static inline void tcg_gen_qemu_st64(TCGv_i64 arg, TCGv addr, int mem_index) #define tcg_gen_deposit_tl tcg_gen_deposit_i64 #define tcg_const_tl tcg_const_i64 #define tcg_const_local_tl tcg_const_local_i64 +#define tcg_gen_movcond_tl tcg_gen_movcond_i64 #else #define tcg_gen_movi_tl tcg_gen_movi_i32 #define tcg_gen_mov_tl tcg_gen_mov_i32 @@ -2505,6 +2544,7 @@ static inline void tcg_gen_qemu_st64(TCGv_i64 arg, TCGv addr, int mem_index) #define tcg_gen_deposit_tl tcg_gen_deposit_i32 #define tcg_const_tl tcg_const_i32 #define tcg_const_local_tl tcg_const_local_i32 +#define tcg_gen_movcond_tl tcg_gen_movcond_i32 #endif #if TCG_TARGET_REG_BITS == 32 diff --git a/tcg/tcg-opc.h b/tcg/tcg-opc.h index d12e8d01e9..dbb0e3916a 100644 --- a/tcg/tcg-opc.h +++ b/tcg/tcg-opc.h @@ -51,6 +51,7 @@ DEF(br, 0, 0, 1, TCG_OPF_BB_END | TCG_OPF_SIDE_EFFECTS) DEF(mov_i32, 1, 1, 0, 0) DEF(movi_i32, 1, 0, 1, 0) DEF(setcond_i32, 1, 2, 1, 0) +DEF(movcond_i32, 1, 4, 1, IMPL(TCG_TARGET_HAS_movcond_i32)) /* load/store */ DEF(ld8u_i32, 1, 1, 1, 0) DEF(ld8s_i32, 1, 1, 1, 0) @@ -107,6 +108,7 @@ DEF(nor_i32, 1, 2, 0, IMPL(TCG_TARGET_HAS_nor_i32)) DEF(mov_i64, 1, 1, 0, IMPL64) DEF(movi_i64, 1, 0, 1, IMPL64) DEF(setcond_i64, 1, 2, 1, IMPL64) +DEF(movcond_i64, 1, 4, 1, IMPL64 | IMPL(TCG_TARGET_HAS_movcond_i64)) /* load/store */ DEF(ld8u_i64, 1, 1, 1, IMPL64) DEF(ld8s_i64, 1, 1, 1, IMPL64) @@ -991,16 +991,15 @@ void tcg_dump_ops(TCGContext *s) } switch (c) { case INDEX_op_brcond_i32: -#if TCG_TARGET_REG_BITS == 32 - case INDEX_op_brcond2_i32: -#elif TCG_TARGET_REG_BITS == 64 - case INDEX_op_brcond_i64: -#endif case INDEX_op_setcond_i32: + case INDEX_op_movcond_i32: #if TCG_TARGET_REG_BITS == 32 + case INDEX_op_brcond2_i32: case INDEX_op_setcond2_i32: -#elif TCG_TARGET_REG_BITS == 64 +#else + case INDEX_op_brcond_i64: case INDEX_op_setcond_i64: + case INDEX_op_movcond_i64: #endif if (args[k] < ARRAY_SIZE(cond_name) && cond_name[args[k]]) { qemu_log(",%s", cond_name[args[k++]]); @@ -79,6 +79,7 @@ typedef uint64_t TCGRegSet; #define TCG_TARGET_HAS_nand_i64 0 #define TCG_TARGET_HAS_nor_i64 0 #define TCG_TARGET_HAS_deposit_i64 0 +#define TCG_TARGET_HAS_movcond_i64 0 #endif #ifndef TCG_TARGET_deposit_i32_valid diff --git a/tcg/tci/tcg-target.h b/tcg/tci/tcg-target.h index 30a0f21596..6d894953aa 100644 --- a/tcg/tci/tcg-target.h +++ b/tcg/tci/tcg-target.h @@ -75,6 +75,7 @@ #define TCG_TARGET_HAS_not_i32 1 #define TCG_TARGET_HAS_orc_i32 0 #define TCG_TARGET_HAS_rot_i32 1 +#define TCG_TARGET_HAS_movcond_i32 0 #if TCG_TARGET_REG_BITS == 64 #define TCG_TARGET_HAS_bswap16_i64 1 @@ -98,6 +99,7 @@ #define TCG_TARGET_HAS_not_i64 1 #define TCG_TARGET_HAS_orc_i64 0 #define TCG_TARGET_HAS_rot_i64 1 +#define TCG_TARGET_HAS_movcond_i64 0 #endif /* TCG_TARGET_REG_BITS == 64 */ /* Offset to user memory in user mode. */ |