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authorRichard Henderson <rth@twiddle.net>2012-09-21 10:13:34 -0700
committerAurelien Jarno <aurelien@aurel32.net>2012-09-21 19:53:16 +0200
commitffc5ea09afb8f9487ed9d660f54a492889a067c7 (patch)
treed71996e99aa2f1ed712bb9b7156d2fa7fdc269f5 /tcg
parent080df491db6400fade2bdf1bdeee3a459529398b (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>
Diffstat (limited to 'tcg')
-rw-r--r--tcg/README6
-rw-r--r--tcg/arm/tcg-target.h1
-rw-r--r--tcg/hppa/tcg-target.h1
-rw-r--r--tcg/i386/tcg-target.h2
-rw-r--r--tcg/ia64/tcg-target.h2
-rw-r--r--tcg/mips/tcg-target.h1
-rw-r--r--tcg/ppc/tcg-target.h1
-rw-r--r--tcg/ppc64/tcg-target.h2
-rw-r--r--tcg/s390/tcg-target.h2
-rw-r--r--tcg/sparc/tcg-target.h2
-rw-r--r--tcg/tcg-op.h40
-rw-r--r--tcg/tcg-opc.h2
-rw-r--r--tcg/tcg.c11
-rw-r--r--tcg/tcg.h1
-rw-r--r--tcg/tci/tcg-target.h2
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)
diff --git a/tcg/tcg.c b/tcg/tcg.c
index b8a1bec5dc..bb9c9952aa 100644
--- a/tcg/tcg.c
+++ b/tcg/tcg.c
@@ -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++]]);
diff --git a/tcg/tcg.h b/tcg/tcg.h
index 477775dba6..7e903f30f0 100644
--- a/tcg/tcg.h
+++ b/tcg/tcg.h
@@ -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. */