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tcg: Add tcg_out_dupm_vec to the backend interface

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Currently stubbed out in all backends that support vectors.

Backports commit d6ecb4a978b718dbe108a9fa9ecccc8b7f7cb579 from qemu
This commit is contained in:
Richard Henderson 2019-05-16 15:24:47 -04:00 committed by Lioncash
parent cf238d3544
commit d4e7c6a8c5
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GPG key ID: 4E3C3CC1031BA9C7
3 changed files with 31 additions and 1 deletions
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6
qemu/tcg/aarch64/tcg-target.inc.c
View file

@ -819,6 +819,12 @@ 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)
{

7
qemu/tcg/i386/tcg-target.inc.c
View file

@ -930,6 +930,13 @@ static void tcg_out_dupi_vec(TCGContext *s, TCGType type,
}
}
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 ret, tcg_target_long arg)
{

19
qemu/tcg/tcg.c
View file

@ -102,6 +102,8 @@ 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,
@ -113,6 +115,11 @@ 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)
{
@ -2900,6 +2907,7 @@ 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;
@ -2969,7 +2977,16 @@ 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;