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target/arm: Move pred_{full, gvec}_reg_{offset, size} to translate-a64.h 

We will need these functions in translate-sme.c.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20220620175235.60881-21-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Richard Henderson 2022-06-20 10:52:04 -07:00 committed by Peter Maydell
parent 5d7953adcf
commit d61d1b8600
2 changed files with 38 additions and 36 deletions
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38
target/arm/translate-a64.h
View File

@ -107,6 +107,44 @@ static inline int vec_full_reg_size(DisasContext *s)
return s->vl;
}
/*
* Return the offset info CPUARMState of the predicate vector register Pn.
* Note for this purpose, FFR is P16.
*/
static inline int pred_full_reg_offset(DisasContext *s, int regno)
{
return offsetof(CPUARMState, vfp.pregs[regno]);
}
/* Return the byte size of the whole predicate register, VL / 64. */
static inline int pred_full_reg_size(DisasContext *s)
{
return s->vl >> 3;
}
/*
* Round up the size of a register to a size allowed by
* the tcg vector infrastructure. Any operation which uses this
* size may assume that the bits above pred_full_reg_size are zero,
* and must leave them the same way.
*
* Note that this is not needed for the vector registers as they
* are always properly sized for tcg vectors.
*/
static inline int size_for_gvec(int size)
{
if (size <= 8) {
return 8;
} else {
return QEMU_ALIGN_UP(size, 16);
}
}
static inline int pred_gvec_reg_size(DisasContext *s)
{
return size_for_gvec(pred_full_reg_size(s));
}
bool disas_sve(DisasContext *, uint32_t);
void gen_gvec_rax1(unsigned vece, uint32_t rd_ofs, uint32_t rn_ofs,

36
target/arm/translate-sve.c
View File

@ -100,42 +100,6 @@ static inline int msz_dtype(DisasContext *s, int msz)
* Implement all of the translator functions referenced by the decoder.
*/
/* Return the offset info CPUARMState of the predicate vector register Pn.
* Note for this purpose, FFR is P16.
*/
static inline int pred_full_reg_offset(DisasContext *s, int regno)
{
return offsetof(CPUARMState, vfp.pregs[regno]);
}
/* Return the byte size of the whole predicate register, VL / 64. */
static inline int pred_full_reg_size(DisasContext *s)
{
return s->vl >> 3;
}
/* Round up the size of a register to a size allowed by
* the tcg vector infrastructure. Any operation which uses this
* size may assume that the bits above pred_full_reg_size are zero,
* and must leave them the same way.
*
* Note that this is not needed for the vector registers as they
* are always properly sized for tcg vectors.
*/
static int size_for_gvec(int size)
{
if (size <= 8) {
return 8;
} else {
return QEMU_ALIGN_UP(size, 16);
}
}
static int pred_gvec_reg_size(DisasContext *s)
{
return size_for_gvec(pred_full_reg_size(s));
}
/* Invoke an out-of-line helper on 2 Zregs. */
static bool gen_gvec_ool_zz(DisasContext *s, gen_helper_gvec_2 *fn,
int rd, int rn, int data)