From: Taylor Simpson <ltaylorsimp...@gmail.com>
This patch conflicts with
https://lists.gnu.org/archive/html/qemu-devel/2023-11/msg00729.html
If that series goes in first, we'll rework this patch and vice versa.
Signed-off-by: Taylor Simpson <ltaylorsimp...@gmail.com>
Reviewed-by: Brian Cain <bc...@quicinc.com>
Message-Id: <20231210220712.491494-8-ltaylorsimp...@gmail.com>
Signed-off-by: Brian Cain <bc...@quicinc.com>
---
target/hexagon/gen_analyze_funcs.py | 163 +---------------------------
target/hexagon/hex_common.py | 151 ++++++++++++++++++++++++++
2 files changed, 157 insertions(+), 157 deletions(-)
diff --git a/target/hexagon/gen_analyze_funcs.py
b/target/hexagon/gen_analyze_funcs.py
index c3b521abef..a9af666cef 100755
--- a/target/hexagon/gen_analyze_funcs.py
+++ b/target/hexagon/gen_analyze_funcs.py
@@ -23,162 +23,6 @@
import hex_common
-##
-## Helpers for gen_analyze_func
-##
-def is_predicated(tag):
- return "A_CONDEXEC" in hex_common.attribdict[tag]
-
-
-def analyze_opn_old(f, tag, regtype, regid, regno):
- regN = f"{regtype}{regid}N"
- predicated = "true" if is_predicated(tag) else "false"
- if regtype == "R":
- if regid in {"ss", "tt"}:
- f.write(f" const int {regN} = insn->regno[{regno}];\n")
- f.write(f" ctx_log_reg_read_pair(ctx, {regN});\n")
- elif regid in {"dd", "ee", "xx", "yy"}:
- f.write(f" const int {regN} = insn->regno[{regno}];\n")
- f.write(f" ctx_log_reg_write_pair(ctx, {regN},
{predicated});\n")
- elif regid in {"s", "t", "u", "v"}:
- f.write(f" const int {regN} = insn->regno[{regno}];\n")
- f.write(f" ctx_log_reg_read(ctx, {regN});\n")
- elif regid in {"d", "e", "x", "y"}:
- f.write(f" const int {regN} = insn->regno[{regno}];\n")
- f.write(f" ctx_log_reg_write(ctx, {regN}, {predicated});\n")
- else:
- hex_common.bad_register(regtype, regid)
- elif regtype == "P":
- if regid in {"s", "t", "u", "v"}:
- f.write(f" const int {regN} = insn->regno[{regno}];\n")
- f.write(f" ctx_log_pred_read(ctx, {regN});\n")
- elif regid in {"d", "e", "x"}:
- f.write(f" const int {regN} = insn->regno[{regno}];\n")
- f.write(f" ctx_log_pred_write(ctx, {regN});\n")
- else:
- hex_common.bad_register(regtype, regid)
- elif regtype == "C":
- if regid == "ss":
- f.write(
- f" const int {regN} = insn->regno[{regno}] "
- "+ HEX_REG_SA0;\n"
- )
- f.write(f" ctx_log_reg_read_pair(ctx, {regN});\n")
- elif regid == "dd":
- f.write(f" const int {regN} = insn->regno[{regno}] " "+
HEX_REG_SA0;\n")
- f.write(f" ctx_log_reg_write_pair(ctx, {regN},
{predicated});\n")
- elif regid == "s":
- f.write(
- f" const int {regN} = insn->regno[{regno}] "
- "+ HEX_REG_SA0;\n"
- )
- f.write(f" ctx_log_reg_read(ctx, {regN});\n")
- elif regid == "d":
- f.write(f" const int {regN} = insn->regno[{regno}] " "+
HEX_REG_SA0;\n")
- f.write(f" ctx_log_reg_write(ctx, {regN}, {predicated});\n")
- else:
- hex_common.bad_register(regtype, regid)
- elif regtype == "M":
- if regid == "u":
- f.write(f" const int {regN} = insn->regno[{regno}];\n")
- f.write(f" ctx_log_reg_read(ctx, {regN});\n")
- else:
- hex_common.bad_register(regtype, regid)
- elif regtype == "V":
- newv = "EXT_DFL"
- if hex_common.is_new_result(tag):
- newv = "EXT_NEW"
- elif hex_common.is_tmp_result(tag):
- newv = "EXT_TMP"
- if regid in {"dd", "xx"}:
- f.write(f" const int {regN} = insn->regno[{regno}];\n")
- f.write(
- f" ctx_log_vreg_write_pair(ctx, {regN}, {newv}, "
f"{predicated});\n"
- )
- elif regid in {"uu", "vv"}:
- f.write(f" const int {regN} = insn->regno[{regno}];\n")
- f.write(f" ctx_log_vreg_read_pair(ctx, {regN});\n")
- elif regid in {"s", "u", "v", "w"}:
- f.write(f" const int {regN} = insn->regno[{regno}];\n")
- f.write(f" ctx_log_vreg_read(ctx, {regN});\n")
- elif regid in {"d", "x", "y"}:
- f.write(f" const int {regN} = insn->regno[{regno}];\n")
- f.write(f" ctx_log_vreg_write(ctx, {regN}, {newv}, "
f"{predicated});\n")
- else:
- hex_common.bad_register(regtype, regid)
- elif regtype == "Q":
- if regid in {"d", "e", "x"}:
- f.write(f" const int {regN} = insn->regno[{regno}];\n")
- f.write(f" ctx_log_qreg_write(ctx, {regN});\n")
- elif regid in {"s", "t", "u", "v"}:
- f.write(f" const int {regN} = insn->regno[{regno}];\n")
- f.write(f" ctx_log_qreg_read(ctx, {regN});\n")
- else:
- hex_common.bad_register(regtype, regid)
- elif regtype == "G":
- if regid in {"dd"}:
- f.write(f"// const int {regN} = insn->regno[{regno}];\n")
- elif regid in {"d"}:
- f.write(f"// const int {regN} = insn->regno[{regno}];\n")
- elif regid in {"ss"}:
- f.write(f"// const int {regN} = insn->regno[{regno}];\n")
- elif regid in {"s"}:
- f.write(f"// const int {regN} = insn->regno[{regno}];\n")
- else:
- hex_common.bad_register(regtype, regid)
- elif regtype == "S":
- if regid in {"dd"}:
- f.write(f"// const int {regN} = insn->regno[{regno}];\n")
- elif regid in {"d"}:
- f.write(f"// const int {regN} = insn->regno[{regno}];\n")
- elif regid in {"ss"}:
- f.write(f"// const int {regN} = insn->regno[{regno}];\n")
- elif regid in {"s"}:
- f.write(f"// const int {regN} = insn->regno[{regno}];\n")
- else:
- hex_common.bad_register(regtype, regid)
- else:
- hex_common.bad_register(regtype, regid)
-
-
-def analyze_opn_new(f, tag, regtype, regid, regno):
- regN = f"{regtype}{regid}N"
- if regtype == "N":
- if regid in {"s", "t"}:
- f.write(f" const int {regN} = insn->regno[{regno}];\n")
- f.write(f" ctx_log_reg_read(ctx, {regN});\n")
- else:
- hex_common.bad_register(regtype, regid)
- elif regtype == "P":
- if regid in {"t", "u", "v"}:
- f.write(f" const int {regN} = insn->regno[{regno}];\n")
- f.write(f" ctx_log_pred_read(ctx, {regN});\n")
- else:
- hex_common.bad_register(regtype, regid)
- elif regtype == "O":
- if regid == "s":
- f.write(f" const int {regN} = insn->regno[{regno}];\n")
- f.write(f" ctx_log_vreg_read(ctx, {regN});\n")
- else:
- hex_common.bad_register(regtype, regid)
- else:
- hex_common.bad_register(regtype, regid)
-
-
-def analyze_opn(f, tag, regtype, regid, i):
- if hex_common.is_pair(regid):
- analyze_opn_old(f, tag, regtype, regid, i)
- elif hex_common.is_single(regid):
- if hex_common.is_old_val(regtype, regid, tag):
- analyze_opn_old(f, tag, regtype, regid, i)
- elif hex_common.is_new_val(regtype, regid, tag):
- analyze_opn_new(f, tag, regtype, regid, i)
- else:
- hex_common.bad_register(regtype, regid)
- else:
- hex_common.bad_register(regtype, regid)
-
-
##
## Generate the code to analyze the instruction
## For A2_add: Rd32=add(Rs32,Rt32), { RdV=RsV+RtV;}
@@ -203,7 +47,11 @@ def gen_analyze_func(f, tag, regs, imms):
i = 0
## Analyze all the registers
for regtype, regid in regs:
- analyze_opn(f, tag, regtype, regid, i)
+ reg = hex_common.get_register(tag, regtype, regid)
+ if reg.is_written():
+ reg.analyze_write(f, tag, i)
+ else:
+ reg.analyze_read(f, i)
i += 1
has_generated_helper = not hex_common.skip_qemu_helper(
@@ -236,6 +84,7 @@ def main():
if is_idef_parser_enabled:
hex_common.read_idef_parser_enabled_file(sys.argv[5])
hex_common.calculate_attribs()
+ hex_common.init_registers()
tagregs = hex_common.get_tagregs()
tagimms = hex_common.get_tagimms()
diff --git a/target/hexagon/hex_common.py b/target/hexagon/hex_common.py
index fc9ce4e2b0..4565dd1953 100755
--- a/target/hexagon/hex_common.py
+++ b/target/hexagon/hex_common.py
@@ -486,6 +486,12 @@ def log_write(self, f, tag):
f.write(code_fmt(f"""\
gen_log_reg_write(ctx, {self.reg_num}, {self.reg_tcg()});
"""))
+ def analyze_write(self, f, tag, regno):
+ self.decl_reg_num(f, regno)
+ predicated = "true" if is_predicated(tag) else "false"
+ f.write(code_fmt(f"""\
+ ctx_log_reg_write(ctx, {self.reg_num}, {predicated});
+ """))
class GprSource(Register, Single, OldSource):
def decl_tcg(self, f, tag, regno):
@@ -493,12 +499,22 @@ def decl_tcg(self, f, tag, regno):
f.write(code_fmt(f"""\
TCGv {self.reg_tcg()} = hex_gpr[{self.reg_num}];
"""))
+ def analyze_read(self, f, regno):
+ self.decl_reg_num(f, regno)
+ f.write(code_fmt(f"""\
+ ctx_log_reg_read(ctx, {self.reg_num});
+ """))
class GprNewSource(Register, Single, NewSource):
def decl_tcg(self, f, tag, regno):
f.write(code_fmt(f"""\
TCGv {self.reg_tcg()} = get_result_gpr(ctx, insn->regno[{regno}]);
"""))
+ def analyze_read(self, f, regno):
+ self.decl_reg_num(f, regno)
+ f.write(code_fmt(f"""\
+ ctx_log_reg_read(ctx, {self.reg_num});
+ """))
class GprReadWrite(Register, Single, ReadWrite):
def decl_tcg(self, f, tag, regno):
@@ -517,6 +533,12 @@ def log_write(self, f, tag):
f.write(code_fmt(f"""\
gen_log_reg_write(ctx, {self.reg_num}, {self.reg_tcg()});
"""))
+ def analyze_write(self, f, tag, regno):
+ self.decl_reg_num(f, regno)
+ predicated = "true" if is_predicated(tag) else "false"
+ f.write(code_fmt(f"""\
+ ctx_log_reg_write(ctx, {self.reg_num}, {predicated});
+ """))
class ControlDest(Register, Single, Dest):
def decl_reg_num(self, f, regno):
@@ -532,6 +554,12 @@ def log_write(self, f, tag):
f.write(code_fmt(f"""\
gen_write_ctrl_reg(ctx, {self.reg_num}, {self.reg_tcg()});
"""))
+ def analyze_write(self, f, tag, regno):
+ self.decl_reg_num(f, regno)
+ predicated = "true" if is_predicated(tag) else "false"
+ f.write(code_fmt(f"""\
+ ctx_log_reg_write(ctx, {self.reg_num}, {predicated});
+ """))
class ControlSource(Register, Single, OldSource):
def decl_reg_num(self, f, regno):
@@ -544,6 +572,11 @@ def decl_tcg(self, f, tag, regno):
TCGv {self.reg_tcg()} = tcg_temp_new();
gen_read_ctrl_reg(ctx, {self.reg_num}, {self.reg_tcg()});
"""))
+ def analyze_read(self, f, regno):
+ self.decl_reg_num(f, regno)
+ f.write(code_fmt(f"""\
+ ctx_log_reg_read(ctx, {self.reg_num});
+ """))
class ModifierSource(Register, Single, OldSource):
def decl_reg_num(self, f, regno):
@@ -560,6 +593,11 @@ def decl_tcg(self, f, tag, regno):
def idef_arg(self, declared):
declared.append(self.reg_tcg())
declared.append("CS")
+ def analyze_read(self, f, regno):
+ self.decl_reg_num(f, regno)
+ f.write(code_fmt(f"""\
+ ctx_log_reg_read(ctx, {self.reg_num});
+ """))
class PredDest(Register, Single, Dest):
def decl_tcg(self, f, tag, regno):
@@ -571,6 +609,11 @@ def log_write(self, f, tag):
f.write(code_fmt(f"""\
gen_log_pred_write(ctx, {self.reg_num}, {self.reg_tcg()});
"""))
+ def analyze_write(self, f, tag, regno):
+ self.decl_reg_num(f, regno)
+ f.write(code_fmt(f"""\
+ ctx_log_pred_write(ctx, {self.reg_num});
+ """))
class PredSource(Register, Single, OldSource):
def decl_tcg(self, f, tag, regno):
@@ -578,12 +621,22 @@ def decl_tcg(self, f, tag, regno):
f.write(code_fmt(f"""\
TCGv {self.reg_tcg()} = hex_pred[{self.reg_num}];
"""))
+ def analyze_read(self, f, regno):
+ self.decl_reg_num(f, regno)
+ f.write(code_fmt(f"""\
+ ctx_log_pred_read(ctx, {self.reg_num});
+ """))
class PredNewSource(Register, Single, NewSource):
def decl_tcg(self, f, tag, regno):
f.write(code_fmt(f"""\
TCGv {self.reg_tcg()} = get_result_pred(ctx, insn->regno[{regno}]);
"""))
+ def analyze_read(self, f, regno):
+ self.decl_reg_num(f, regno)
+ f.write(code_fmt(f"""\
+ ctx_log_pred_read(ctx, {self.reg_num});
+ """))
class PredReadWrite(Register, Single, ReadWrite):
def decl_tcg(self, f, tag, regno):
@@ -596,6 +649,11 @@ def log_write(self, f, tag):
f.write(code_fmt(f"""\
gen_log_pred_write(ctx, {self.reg_num}, {self.reg_tcg()});
"""))
+ def analyze_write(self, f, tag, regno):
+ self.decl_reg_num(f, regno)
+ f.write(code_fmt(f"""\
+ ctx_log_pred_write(ctx, {self.reg_num});
+ """))
class PairDest(Register, Pair, Dest):
def decl_tcg(self, f, tag, regno):
@@ -608,6 +666,12 @@ def log_write(self, f, tag):
f.write(code_fmt(f"""\
gen_log_reg_write_pair(ctx, {self.reg_num}, {self.reg_tcg()});
"""))
+ def analyze_write(self, f, tag, regno):
+ self.decl_reg_num(f, regno)
+ predicated = "true" if is_predicated(tag) else "false"
+ f.write(code_fmt(f"""\
+ ctx_log_reg_write_pair(ctx, {self.reg_num}, {predicated});
+ """))
class PairSource(Register, Pair, OldSource):
def decl_tcg(self, f, tag, regno):
@@ -618,6 +682,11 @@ def decl_tcg(self, f, tag, regno):
hex_gpr[{self.reg_num}],
hex_gpr[{self.reg_num} + 1]);
"""))
+ def analyze_read(self, f, regno):
+ self.decl_reg_num(f, regno)
+ f.write(code_fmt(f"""\
+ ctx_log_reg_read_pair(ctx, {self.reg_num});
+ """))
class PairReadWrite(Register, Pair, ReadWrite):
def decl_tcg(self, f, tag, regno):
@@ -633,6 +702,12 @@ def log_write(self, f, tag):
f.write(code_fmt(f"""\
gen_log_reg_write_pair(ctx, {self.reg_num}, {self.reg_tcg()});
"""))
+ def analyze_write(self, f, tag, regno):
+ self.decl_reg_num(f, regno)
+ predicated = "true" if is_predicated(tag) else "false"
+ f.write(code_fmt(f"""\
+ ctx_log_reg_write_pair(ctx, {self.reg_num}, {predicated});
+ """))
class ControlPairDest(Register, Pair, Dest):
def decl_reg_num(self, f, regno):
@@ -649,6 +724,12 @@ def log_write(self, f, tag):
f.write(code_fmt(f"""\
gen_write_ctrl_reg_pair(ctx, {self.reg_num}, {self.reg_tcg()});
"""))
+ def analyze_write(self, f, tag, regno):
+ self.decl_reg_num(f, regno)
+ predicated = "true" if is_predicated(tag) else "false"
+ f.write(code_fmt(f"""\
+ ctx_log_reg_write_pair(ctx, {self.reg_num}, {predicated});
+ """))
class ControlPairSource(Register, Pair, OldSource):
def decl_reg_num(self, f, regno):
@@ -661,6 +742,11 @@ def decl_tcg(self, f, tag, regno):
TCGv_i64 {self.reg_tcg()} = tcg_temp_new_i64();
gen_read_ctrl_reg_pair(ctx, {self.reg_num}, {self.reg_tcg()});
"""))
+ def analyze_read(self, f, regno):
+ self.decl_reg_num(f, regno)
+ f.write(code_fmt(f"""\
+ ctx_log_reg_read_pair(ctx, {self.reg_num});
+ """))
class VRegDest(Register, Hvx, Dest):
def decl_tcg(self, f, tag, regno):
@@ -680,6 +766,13 @@ def helper_hvx_desc(self, f):
f.write(code_fmt(f"""\
/* {self.reg_tcg()} is *(MMVector *)({self.helper_arg_name()}) */
"""))
+ def analyze_write(self, f, tag, regno):
+ self.decl_reg_num(f, regno)
+ newv = hvx_newv(tag)
+ predicated = "true" if is_predicated(tag) else "false"
+ f.write(code_fmt(f"""\
+ ctx_log_vreg_write(ctx, {self.reg_num}, {newv}, {predicated});
+ """))
class VRegSource(Register, Hvx, OldSource):
def decl_tcg(self, f, tag, regno):
@@ -696,6 +789,11 @@ def helper_hvx_desc(self, f):
f.write(code_fmt(f"""\
/* {self.reg_tcg()} is *(MMVector *)({self.helper_arg_name()}) */
"""))
+ def analyze_read(self, f, regno):
+ self.decl_reg_num(f, regno)
+ f.write(code_fmt(f"""\
+ ctx_log_vreg_read(ctx, {self.reg_num});
+ """))
class VRegNewSource(Register, Hvx, NewSource):
def decl_tcg(self, f, tag, regno):
@@ -709,6 +807,11 @@ def helper_hvx_desc(self, f):
f.write(code_fmt(f"""\
/* {self.reg_tcg()} is *(MMVector *)({self.helper_arg_name()}) */
"""))
+ def analyze_read(self, f, regno):
+ self.decl_reg_num(f, regno)
+ f.write(code_fmt(f"""\
+ ctx_log_vreg_read(ctx, {self.reg_num});
+ """))
class VRegReadWrite(Register, Hvx, ReadWrite):
def decl_tcg(self, f, tag, regno):
@@ -731,6 +834,13 @@ def helper_hvx_desc(self, f):
f.write(code_fmt(f"""\
/* {self.reg_tcg()} is *(MMVector *)({self.helper_arg_name()}) */
"""))
+ def analyze_write(self, f, tag, regno):
+ self.decl_reg_num(f, regno)
+ newv = hvx_newv(tag)
+ predicated = "true" if is_predicated(tag) else "false"
+ f.write(code_fmt(f"""\
+ ctx_log_vreg_write(ctx, {self.reg_num}, {newv}, {predicated});
+ """))
class VRegTmp(Register, Hvx, ReadWrite):
def decl_tcg(self, f, tag, regno):
@@ -755,6 +865,13 @@ def helper_hvx_desc(self, f):
f.write(code_fmt(f"""\
/* {self.reg_tcg()} is *(MMVector *)({self.helper_arg_name()}) */
"""))
+ def analyze_write(self, f, tag, regno):
+ self.decl_reg_num(f, regno)
+ newv = hvx_newv(tag)
+ predicated = "true" if is_predicated(tag) else "false"
+ f.write(code_fmt(f"""\
+ ctx_log_vreg_write(ctx, {self.reg_num}, {newv}, {predicated});
+ """))
class VRegPairDest(Register, Hvx, Dest):
def decl_tcg(self, f, tag, regno):
@@ -774,6 +891,13 @@ def helper_hvx_desc(self, f):
f.write(code_fmt(f"""\
/* {self.reg_tcg()} is *(MMVectorPair *)({self.helper_arg_name()})
*/
"""))
+ def analyze_write(self, f, tag, regno):
+ self.decl_reg_num(f, regno)
+ newv = hvx_newv(tag)
+ predicated = "true" if is_predicated(tag) else "false"
+ f.write(code_fmt(f"""\
+ ctx_log_vreg_write_pair(ctx, {self.reg_num}, {newv}, {predicated});
+ """))
class VRegPairSource(Register, Hvx, OldSource):
def decl_tcg(self, f, tag, regno):
@@ -797,6 +921,11 @@ def helper_hvx_desc(self, f):
f.write(code_fmt(f"""\
/* {self.reg_tcg()} is *(MMVectorPair *)({self.helper_arg_name()})
*/
"""))
+ def analyze_read(self, f, regno):
+ self.decl_reg_num(f, regno)
+ f.write(code_fmt(f"""\
+ ctx_log_vreg_read_pair(ctx, {self.reg_num});
+ """))
class VRegPairReadWrite(Register, Hvx, ReadWrite):
def decl_tcg(self, f, tag, regno):
@@ -825,6 +954,13 @@ def helper_hvx_desc(self, f):
f.write(code_fmt(f"""\
/* {self.reg_tcg()} is *(MMVectorPair *)({self.helper_arg_name()})
*/
"""))
+ def analyze_write(self, f, tag, regno):
+ self.decl_reg_num(f, regno)
+ newv = hvx_newv(tag)
+ predicated = "true" if is_predicated(tag) else "false"
+ f.write(code_fmt(f"""\
+ ctx_log_vreg_write_pair(ctx, {self.reg_num}, {newv}, {predicated});
+ """))
class QRegDest(Register, Hvx, Dest):
def decl_tcg(self, f, tag, regno):
@@ -844,6 +980,11 @@ def helper_hvx_desc(self, f):
f.write(code_fmt(f"""\
/* {self.reg_tcg()} is *(MMQReg *)({self.helper_arg_name()}) */
"""))
+ def analyze_write(self, f, tag, regno):
+ self.decl_reg_num(f, regno)
+ f.write(code_fmt(f"""\
+ ctx_log_qreg_write(ctx, {self.reg_num});
+ """))
class QRegSource(Register, Hvx, OldSource):
def decl_tcg(self, f, tag, regno):
@@ -861,6 +1002,11 @@ def helper_hvx_desc(self, f):
f.write(code_fmt(f"""\
/* {self.reg_tcg()} is *(MMQReg *)({self.helper_arg_name()}) */
"""))
+ def analyze_read(self, f, regno):
+ self.decl_reg_num(f, regno)
+ f.write(code_fmt(f"""\
+ ctx_log_qreg_read(ctx, {self.reg_num});
+ """))
class QRegReadWrite(Register, Hvx, ReadWrite):
def decl_tcg(self, f, tag, regno):
@@ -883,6 +1029,11 @@ def helper_hvx_desc(self, f):
f.write(code_fmt(f"""\
/* {self.reg_tcg()} is *(MMQReg *)({self.helper_arg_name()}) */
"""))
+ def analyze_write(self, f, tag, regno):
+ self.decl_reg_num(f, regno)
+ f.write(code_fmt(f"""\
+ ctx_log_qreg_write(ctx, {self.reg_num});
+ """))
def init_registers():
regs = {
--
2.25.1
