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authorRichard Henderson <richard.henderson@linaro.org>2019-03-18 12:00:39 -0700
committerRichard Henderson <richard.henderson@linaro.org>2019-05-13 14:44:03 -0700
commitd6ecb4a978b718dbe108a9fa9ecccc8b7f7cb579 (patch)
tree1f3541db753629603d66d5c83783bcf954bd8c77
parentbab1671f0fa928fd678a22f934739f06fd5fd035 (diff)
downloadqemu-d6ecb4a978b718dbe108a9fa9ecccc8b7f7cb579.zip
tcg: Add tcg_out_dupm_vec to the backend interface
Currently stubbed out in all backends that support vectors. Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
-rw-r--r--tcg/aarch64/tcg-target.inc.c6
-rw-r--r--tcg/i386/tcg-target.inc.c7
-rw-r--r--tcg/tcg.c19
3 files changed, 31 insertions, 1 deletions
diff --git a/tcg/aarch64/tcg-target.inc.c b/tcg/aarch64/tcg-target.inc.c
index 3cefdd1e43..4a3cfa778a 100644
--- a/tcg/aarch64/tcg-target.inc.c
+++ b/tcg/aarch64/tcg-target.inc.c
@@ -822,6 +822,12 @@ static bool tcg_out_dup_vec(TCGContext *s, TCGType type, unsigned vece,
return true;
}
+static bool tcg_out_dupm_vec(TCGContext *s, TCGType type, unsigned vece,
+ TCGReg r, TCGReg base, intptr_t offset)
+{
+ return false;
+}
+
static void tcg_out_movi(TCGContext *s, TCGType type, TCGReg rd,
tcg_target_long value)
{
diff --git a/tcg/i386/tcg-target.inc.c b/tcg/i386/tcg-target.inc.c
index 3c8229d413..f04933bc19 100644
--- a/tcg/i386/tcg-target.inc.c
+++ b/tcg/i386/tcg-target.inc.c
@@ -891,6 +891,13 @@ static bool tcg_out_dup_vec(TCGContext *s, TCGType type, unsigned vece,
return true;
}
+static bool tcg_out_dupm_vec(TCGContext *s, TCGType type, unsigned vece,
+ TCGReg r, TCGReg base, intptr_t offset)
+{
+ return false;
+}
+
+
static void tcg_out_dupi_vec(TCGContext *s, TCGType type,
TCGReg ret, tcg_target_long arg)
{
diff --git a/tcg/tcg.c b/tcg/tcg.c
index 2b715bf099..b9945794c4 100644
--- a/tcg/tcg.c
+++ b/tcg/tcg.c
@@ -111,6 +111,8 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc, const TCGArg *args,
#if TCG_TARGET_MAYBE_vec
static bool tcg_out_dup_vec(TCGContext *s, TCGType type, unsigned vece,
TCGReg dst, TCGReg src);
+static bool tcg_out_dupm_vec(TCGContext *s, TCGType type, unsigned vece,
+ TCGReg dst, TCGReg base, intptr_t offset);
static void tcg_out_dupi_vec(TCGContext *s, TCGType type,
TCGReg dst, tcg_target_long arg);
static void tcg_out_vec_op(TCGContext *s, TCGOpcode opc, unsigned vecl,
@@ -122,6 +124,11 @@ static inline bool tcg_out_dup_vec(TCGContext *s, TCGType type, unsigned vece,
{
g_assert_not_reached();
}
+static inline bool tcg_out_dupm_vec(TCGContext *s, TCGType type, unsigned vece,
+ TCGReg dst, TCGReg base, intptr_t offset)
+{
+ g_assert_not_reached();
+}
static inline void tcg_out_dupi_vec(TCGContext *s, TCGType type,
TCGReg dst, tcg_target_long arg)
{
@@ -3422,6 +3429,7 @@ static void tcg_reg_alloc_dup(TCGContext *s, const TCGOp *op)
TCGRegSet dup_out_regs, dup_in_regs;
TCGTemp *its, *ots;
TCGType itype, vtype;
+ intptr_t endian_fixup;
unsigned vece;
bool ok;
@@ -3491,7 +3499,16 @@ static void tcg_reg_alloc_dup(TCGContext *s, const TCGOp *op)
/* fall through */
case TEMP_VAL_MEM:
- /* TODO: dup from memory */
+#ifdef HOST_WORDS_BIGENDIAN
+ endian_fixup = itype == TCG_TYPE_I32 ? 4 : 8;
+ endian_fixup -= 1 << vece;
+#else
+ endian_fixup = 0;
+#endif
+ if (tcg_out_dupm_vec(s, vtype, vece, ots->reg, its->mem_base->reg,
+ its->mem_offset + endian_fixup)) {
+ goto done;
+ }
tcg_out_ld(s, itype, ots->reg, its->mem_base->reg, its->mem_offset);
break;