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target/arm: Remove sve_memopidx

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None of the sve helpers use TCGMemOpIdx any longer, so we can
stop passing it.

Backports commit ba080b8682fc6bde7f2d9dedddb519d63cbe138f from qemu
This commit is contained in:
Richard Henderson 2021-02-25 21:33:42 -05:00 committed by Lioncash
parent 1f306230d4
commit 6a78133659
3 changed files with 10 additions and 26 deletions
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5
qemu/target/arm/internals.h
View file

@ -1027,11 +1027,6 @@ static inline int arm_num_ctx_cmps(ARMCPU *cpu)
}
}
/* Note make_memop_idx reserves 4 bits for mmu_idx, and MO_BSWAP is bit 3.
* Thus a TCGMemOpIdx, without any MO_ALIGN bits, fits in 8 bits.
*/
#define MEMOPIDX_SHIFT 8
/**
* v7m_using_psp: Return true if using process stack pointer
* Return true if the CPU is currently using the process stack

14
qemu/target/arm/sve_helper.c
View file

@ -4403,7 +4403,7 @@ void sve_ldN_r(CPUARMState *env, uint64_t *vg, const target_ulong addr,
sve_ldst1_host_fn *host_fn,
sve_ldst1_tlb_fn *tlb_fn)
{
const unsigned rd = extract32(desc, SIMD_DATA_SHIFT + MEMOPIDX_SHIFT, 5);
const unsigned rd = simd_data(desc);
const intptr_t reg_max = simd_oprsz(desc);
intptr_t reg_off, reg_last, mem_off;
SVEContLdSt info;
@ -4659,7 +4659,7 @@ void sve_ldnfff1_r(CPUARMState *env, void *vg, const target_ulong addr,
sve_ldst1_host_fn *host_fn,
sve_ldst1_tlb_fn *tlb_fn)
{
const unsigned rd = extract32(desc, SIMD_DATA_SHIFT + MEMOPIDX_SHIFT, 5);
const unsigned rd = simd_data(desc);
void *vd = &env->vfp.zregs[rd];
const intptr_t reg_max = simd_oprsz(desc);
intptr_t reg_off, mem_off, reg_last;
@ -4888,7 +4888,7 @@ void sve_stN_r(CPUARMState *env, uint64_t *vg, target_ulong addr, uint32_t desc,
sve_ldst1_host_fn *host_fn,
sve_ldst1_tlb_fn *tlb_fn)
{
const unsigned rd = extract32(desc, SIMD_DATA_SHIFT + MEMOPIDX_SHIFT, 5);
const unsigned rd = simd_data(desc);
const intptr_t reg_max = simd_oprsz(desc);
intptr_t reg_off, reg_last, mem_off;
SVEContLdSt info;
@ -5094,9 +5094,9 @@ void sve_ld1_z(CPUARMState *env, void *vd, uint64_t *vg, void *vm,
sve_ldst1_host_fn *host_fn,
sve_ldst1_tlb_fn *tlb_fn)
{
const int scale = extract32(desc, SIMD_DATA_SHIFT + MEMOPIDX_SHIFT, 2);
const int mmu_idx = cpu_mmu_index(env, false);
const intptr_t reg_max = simd_oprsz(desc);
const int scale = simd_data(desc);
ARMVectorReg scratch;
intptr_t reg_off;
SVEHostPage info, info2;
@ -5239,10 +5239,10 @@ void sve_ldff1_z(CPUARMState *env, void *vd, uint64_t *vg, void *vm,
sve_ldst1_tlb_fn *tlb_fn)
{
const int mmu_idx = cpu_mmu_index(env, false);
const int scale = extract32(desc, SIMD_DATA_SHIFT + MEMOPIDX_SHIFT, 2);
const intptr_t reg_max = simd_oprsz(desc);
const int scale = simd_data(desc);
const int esize = 1 << esz;
const int msize = 1 << msz;
const intptr_t reg_max = simd_oprsz(desc);
intptr_t reg_off;
SVEHostPage info;
target_ulong addr, in_page;
@ -5394,9 +5394,9 @@ void sve_st1_z(CPUARMState *env, void *vd, uint64_t *vg, void *vm,
sve_ldst1_host_fn *host_fn,
sve_ldst1_tlb_fn *tlb_fn)
{
const int scale = extract32(desc, SIMD_DATA_SHIFT + MEMOPIDX_SHIFT, 2);
const int mmu_idx = cpu_mmu_index(env, false);
const intptr_t reg_max = simd_oprsz(desc);
const int scale = simd_data(desc);
void *host[ARM_MAX_VQ * 4];
intptr_t reg_off, i;
SVEHostPage info, info2;

17
qemu/target/arm/translate-sve.c
View file

@ -4724,11 +4724,6 @@ static const uint8_t dtype_esz[16] = {
3, 2, 1, 3
};
static TCGMemOpIdx sve_memopidx(DisasContext *s, int dtype)
{
return make_memop_idx(s->be_data | dtype_mop[dtype], get_mem_index(s));
}
static void do_mem_zpa(DisasContext *s, int zt, int pg, TCGv_i64 addr,
int dtype, gen_helper_gvec_mem *fn)
{
@ -4742,9 +4737,7 @@ static void do_mem_zpa(DisasContext *s, int zt, int pg, TCGv_i64 addr,
* registers as pointers, so encode the regno into the data field.
* For consistency, do this even for LD1.
*/
desc = sve_memopidx(s, dtype);
desc |= zt << MEMOPIDX_SHIFT;
desc = simd_desc(vsz, vsz, desc);
desc = simd_desc(vsz, vsz, zt);
t_desc = tcg_const_i32(tcg_ctx, desc);
t_pg = tcg_temp_new_ptr(tcg_ctx);
@ -4981,9 +4974,7 @@ static void do_ldrq(DisasContext *s, int zt, int pg, TCGv_i64 addr, int msz)
int desc, poff;
/* Load the first quadword using the normal predicated load helpers. */
desc = sve_memopidx(s, msz_dtype(s, msz));
desc |= zt << MEMOPIDX_SHIFT;
desc = simd_desc(16, 16, desc);
desc = simd_desc(16, 16, zt);
t_desc = tcg_const_i32(tcg_ctx, desc);
poff = pred_full_reg_offset(s, pg);
@ -5220,9 +5211,7 @@ static void do_mem_zpz(DisasContext *s, int zt, int pg, int zm,
TCGv_i32 t_desc;
int desc;
desc = sve_memopidx(s, msz_dtype(s, msz));
desc |= scale << MEMOPIDX_SHIFT;
desc = simd_desc(vsz, vsz, desc);
desc = simd_desc(vsz, vsz, scale);
t_desc = tcg_const_i32(tcg_ctx, desc);
tcg_gen_addi_ptr(tcg_ctx, t_pg, tcg_ctx->cpu_env, pred_full_reg_offset(s, pg));