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decodetree: Add DisasContext argument to !function expanders 

This does require adjusting all existing users.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2019-03-20 19:21:31 -07:00
parent 70e0711ab1
commit 451e4ffdb0
5 changed files with 32 additions and 31 deletions
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9
scripts/decodetree.py
View File

@ -256,7 +256,7 @@ class FunctionField:
return self.func + '(' + str(self.base) + ')'
def str_extract(self):
return self.func + '(' + self.base.str_extract() + ')'
return self.func + '(ctx, ' + self.base.str_extract() + ')'
def __eq__(self, other):
return self.func == other.func and self.base == other.base
@ -318,7 +318,7 @@ class Format(General):
return decode_function + '_extract_' + self.name
def output_extract(self):
output('static void ', self.extract_name(), '(',
output('static void ', self.extract_name(), '(DisasContext *ctx, ',
self.base.struct_name(), ' *a, ', insntype, ' insn)\n{\n')
for n, f in self.fields.items():
output(' a->', n, ' = ', f.str_extract(), ';\n')
@ -343,7 +343,8 @@ class Pattern(General):
arg = self.base.base.name
output(ind, '/* ', self.file, ':', str(self.lineno), ' */\n')
if not extracted:
output(ind, self.base.extract_name(), '(&u.f_', arg, ', insn);\n')
output(ind, self.base.extract_name(),
'(ctx, &u.f_', arg, ', insn);\n')
for n, f in self.fields.items():
output(ind, 'u.f_', arg, '.', n, ' = ', f.str_extract(), ';\n')
output(ind, 'if (', translate_prefix, '_', self.name,
@ -894,7 +895,7 @@ class Tree:
# extract the fields now.
if not extracted and self.base:
output(ind, self.base.extract_name(),
'(&u.f_', self.base.base.name, ', insn);\n')
'(ctx, &u.f_', self.base.base.name, ', insn);\n')
extracted = True
# Attempt to aid the compiler in producing compact switch statements.

24
target/arm/translate-sve.c
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@ -54,35 +54,35 @@ typedef void gen_helper_gvec_mem_scatter(TCGv_env, TCGv_ptr, TCGv_ptr,
/* See e.g. ASR (immediate, predicated).
* Returns -1 for unallocated encoding; diagnose later.
*/
static int tszimm_esz(int x)
static int tszimm_esz(DisasContext *s, int x)
{
x >>= 3; /* discard imm3 */
return 31 - clz32(x);
}
static int tszimm_shr(int x)
static int tszimm_shr(DisasContext *s, int x)
{
return (16 << tszimm_esz(x)) - x;
return (16 << tszimm_esz(s, x)) - x;
}
/* See e.g. LSL (immediate, predicated). */
static int tszimm_shl(int x)
static int tszimm_shl(DisasContext *s, int x)
{
return x - (8 << tszimm_esz(x));
return x - (8 << tszimm_esz(s, x));
}
static inline int plus1(int x)
static inline int plus1(DisasContext *s, int x)
{
return x + 1;
}
/* The SH bit is in bit 8. Extract the low 8 and shift. */
static inline int expand_imm_sh8s(int x)
static inline int expand_imm_sh8s(DisasContext *s, int x)
{
return (int8_t)x << (x & 0x100 ? 8 : 0);
}
static inline int expand_imm_sh8u(int x)
static inline int expand_imm_sh8u(DisasContext *s, int x)
{
return (uint8_t)x << (x & 0x100 ? 8 : 0);
}
@ -90,7 +90,7 @@ static inline int expand_imm_sh8u(int x)
/* Convert a 2-bit memory size (msz) to a 4-bit data type (dtype)
* with unsigned data. C.f. SVE Memory Contiguous Load Group.
*/
static inline int msz_dtype(int msz)
static inline int msz_dtype(DisasContext *s, int msz)
{
static const uint8_t dtype[4] = { 0, 5, 10, 15 };
return dtype[msz];
@ -4834,7 +4834,7 @@ 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(msz));
desc = sve_memopidx(s, msz_dtype(s, msz));
desc |= zt << MEMOPIDX_SHIFT;
desc = simd_desc(16, 16, desc);
t_desc = tcg_const_i32(desc);
@ -5016,7 +5016,7 @@ static void do_st_zpa(DisasContext *s, int zt, int pg, TCGv_i64 addr,
fn = fn_multiple[be][nreg - 1][msz];
}
assert(fn != NULL);
do_mem_zpa(s, zt, pg, addr, msz_dtype(msz), fn);
do_mem_zpa(s, zt, pg, addr, msz_dtype(s, msz), fn);
}
static bool trans_ST_zprr(DisasContext *s, arg_rprr_store *a)
@ -5065,7 +5065,7 @@ 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(msz));
desc = sve_memopidx(s, msz_dtype(s, msz));
desc |= scale << MEMOPIDX_SHIFT;
desc = simd_desc(vsz, vsz, desc);
t_desc = tcg_const_i32(desc);

16
target/hppa/translate.c
View File

@ -279,7 +279,7 @@ typedef struct DisasContext {
} DisasContext;
/* Note that ssm/rsm instructions number PSW_W and PSW_E differently. */
static int expand_sm_imm(int val)
static int expand_sm_imm(DisasContext *ctx, int val)
{
if (val & PSW_SM_E) {
val = (val & ~PSW_SM_E) | PSW_E;
@ -291,43 +291,43 @@ static int expand_sm_imm(int val)
}
/* Inverted space register indicates 0 means sr0 not inferred from base. */
static int expand_sr3x(int val)
static int expand_sr3x(DisasContext *ctx, int val)
{
return ~val;
}
/* Convert the M:A bits within a memory insn to the tri-state value
we use for the final M. */
static int ma_to_m(int val)
static int ma_to_m(DisasContext *ctx, int val)
{
return val & 2 ? (val & 1 ? -1 : 1) : 0;
}
/* Convert the sign of the displacement to a pre or post-modify. */
static int pos_to_m(int val)
static int pos_to_m(DisasContext *ctx, int val)
{
return val ? 1 : -1;
}
static int neg_to_m(int val)
static int neg_to_m(DisasContext *ctx, int val)
{
return val ? -1 : 1;
}
/* Used for branch targets and fp memory ops. */
static int expand_shl2(int val)
static int expand_shl2(DisasContext *ctx, int val)
{
return val << 2;
}
/* Used for fp memory ops. */
static int expand_shl3(int val)
static int expand_shl3(DisasContext *ctx, int val)
{
return val << 3;
}
/* Used for assemble_21. */
static int expand_shl11(int val)
static int expand_shl11(DisasContext *ctx, int val)
{
return val << 11;
}

10
target/riscv/insn_trans/trans_rvc.inc.c
View File

@ -48,13 +48,13 @@ static bool trans_c_flw_ld(DisasContext *ctx, arg_c_flw_ld *a)
REQUIRE_EXT(ctx, RVF);
arg_c_lw tmp;
decode_insn16_extract_cl_w(&tmp, ctx->opcode);
decode_insn16_extract_cl_w(ctx, &tmp, ctx->opcode);
arg_flw arg = { .rd = tmp.rd, .rs1 = tmp.rs1, .imm = tmp.uimm };
return trans_flw(ctx, &arg);
#else
/* C.LD ( RV64C/RV128C-only ) */
arg_c_fld tmp;
decode_insn16_extract_cl_d(&tmp, ctx->opcode);
decode_insn16_extract_cl_d(ctx, &tmp, ctx->opcode);
arg_ld arg = { .rd = tmp.rd, .rs1 = tmp.rs1, .imm = tmp.uimm };
return trans_ld(ctx, &arg);
#endif
@ -80,13 +80,13 @@ static bool trans_c_fsw_sd(DisasContext *ctx, arg_c_fsw_sd *a)
REQUIRE_EXT(ctx, RVF);
arg_c_sw tmp;
decode_insn16_extract_cs_w(&tmp, ctx->opcode);
decode_insn16_extract_cs_w(ctx, &tmp, ctx->opcode);
arg_fsw arg = { .rs1 = tmp.rs1, .rs2 = tmp.rs2, .imm = tmp.uimm };
return trans_fsw(ctx, &arg);
#else
/* C.SD ( RV64C/RV128C-only ) */
arg_c_fsd tmp;
decode_insn16_extract_cs_d(&tmp, ctx->opcode);
decode_insn16_extract_cs_d(ctx, &tmp, ctx->opcode);
arg_sd arg = { .rs1 = tmp.rs1, .rs2 = tmp.rs2, .imm = tmp.uimm };
return trans_sd(ctx, &arg);
#endif
@ -107,7 +107,7 @@ static bool trans_c_jal_addiw(DisasContext *ctx, arg_c_jal_addiw *a)
#ifdef TARGET_RISCV32
/* C.JAL */
arg_c_j tmp;
decode_insn16_extract_cj(&tmp, ctx->opcode);
decode_insn16_extract_cj(ctx, &tmp, ctx->opcode);
arg_jal arg = { .rd = 1, .imm = tmp.imm };
return trans_jal(ctx, &arg);
#else

4
target/riscv/translate.c
View File

@ -517,7 +517,7 @@ static void decode_RV32_64C(DisasContext *ctx)
}
#define EX_SH(amount) \
static int ex_shift_##amount(int imm) \
static int ex_shift_##amount(DisasContext *ctx, int imm) \
{ \
return imm << amount; \
}
@ -533,7 +533,7 @@ EX_SH(12)
} \
} while (0)
static int ex_rvc_register(int reg)
static int ex_rvc_register(DisasContext *ctx, int reg)
{
return 8 + reg;
}