| Message ID | 20231210220712.491494-4-ltaylorsimpson@gmail.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | Hexagon (target/hexagon) Make generators object oriented | expand |
> -----Original Message----- > From: Taylor Simpson <ltaylorsimpson@gmail.com> > Sent: Sunday, December 10, 2023 4:07 PM > To: qemu-devel@nongnu.org > Cc: Brian Cain <bcain@quicinc.com>; Matheus Bernardino (QUIC) > <quic_mathbern@quicinc.com>; Sid Manning <sidneym@quicinc.com>; Marco > Liebel (QUIC) <quic_mliebel@quicinc.com>; richard.henderson@linaro.org; > philmd@linaro.org; ale@rev.ng; anjo@rev.ng; ltaylorsimpson@gmail.com > Subject: [PATCH v2 3/9] Hexagon (target/hexagon) Make generators object > oriented - gen_helper_protos > > WARNING: This email originated from outside of Qualcomm. Please be wary of > any links or attachments, and do not enable macros. > > Signed-off-by: Taylor Simpson <ltaylorsimpson@gmail.com> > --- > target/hexagon/gen_helper_protos.py | 149 ++-------------------------- > target/hexagon/hex_common.py | 7 -- > 2 files changed, 8 insertions(+), 148 deletions(-) > > diff --git a/target/hexagon/gen_helper_protos.py > b/target/hexagon/gen_helper_protos.py > index 131043795a..c82b0f54e4 100755 > --- a/target/hexagon/gen_helper_protos.py > +++ b/target/hexagon/gen_helper_protos.py > @@ -22,39 +22,6 @@ > import string > import hex_common > > -## > -## Helpers for gen_helper_prototype > -## > -def_helper_types = { > - "N": "s32", > - "O": "s32", > - "P": "s32", > - "M": "s32", > - "C": "s32", > - "R": "s32", > - "V": "ptr", > - "Q": "ptr", > -} > - > -def_helper_types_pair = { > - "R": "s64", > - "C": "s64", > - "S": "s64", > - "G": "s64", > - "V": "ptr", > - "Q": "ptr", > -} > - > - > -def gen_def_helper_opn(f, tag, regtype, regid, i): > - if hex_common.is_pair(regid): > - f.write(f", {def_helper_types_pair[regtype]}") > - elif hex_common.is_single(regid): > - f.write(f", {def_helper_types[regtype]}") > - else: > - hex_common.bad_register(regtype, regid) > - > - > ## > ## Generate the DEF_HELPER prototype for an instruction > ## For A2_add: Rd32=add(Rs32,Rt32) > @@ -65,116 +32,15 @@ def gen_helper_prototype(f, tag, tagregs, tagimms): > regs = tagregs[tag] > imms = tagimms[tag] > > - numresults = 0 > - numscalarresults = 0 > - numscalarreadwrite = 0 > - for regtype, regid in regs: > - if hex_common.is_written(regid): > - numresults += 1 > - if hex_common.is_scalar_reg(regtype): > - numscalarresults += 1 > - if hex_common.is_readwrite(regid): > - if hex_common.is_scalar_reg(regtype): > - numscalarreadwrite += 1 > - > - if numscalarresults > 1: > - ## The helper is bogus when there is more than one result > - f.write(f"DEF_HELPER_1({tag}, void, env)\n") > - else: > - ## Figure out how many arguments the helper will take > - if numscalarresults == 0: > - def_helper_size = len(regs) + len(imms) + numscalarreadwrite + 1 > - if hex_common.need_pkt_has_multi_cof(tag): > - def_helper_size += 1 > - if hex_common.need_pkt_need_commit(tag): > - def_helper_size += 1 > - if hex_common.need_part1(tag): > - def_helper_size += 1 > - if hex_common.need_slot(tag): > - def_helper_size += 1 > - if hex_common.need_PC(tag): > - def_helper_size += 1 > - if hex_common.helper_needs_next_PC(tag): > - def_helper_size += 1 > - if hex_common.need_condexec_reg(tag, regs): > - def_helper_size += 1 > - f.write(f"DEF_HELPER_{def_helper_size}({tag}") > - ## The return type is void > - f.write(", void") > - else: > - def_helper_size = len(regs) + len(imms) + numscalarreadwrite > - if hex_common.need_pkt_has_multi_cof(tag): > - def_helper_size += 1 > - if hex_common.need_pkt_need_commit(tag): > - def_helper_size += 1 > - if hex_common.need_part1(tag): > - def_helper_size += 1 > - if hex_common.need_slot(tag): > - def_helper_size += 1 > - if hex_common.need_PC(tag): > - def_helper_size += 1 > - if hex_common.need_condexec_reg(tag, regs): > - def_helper_size += 1 > - if hex_common.helper_needs_next_PC(tag): > - def_helper_size += 1 > - f.write(f"DEF_HELPER_{def_helper_size}({tag}") > - > - ## Generate the qemu DEF_HELPER type for each result > - ## Iterate over this list twice > - ## - Emit the scalar result > - ## - Emit the vector result > - i = 0 > - for regtype, regid in regs: > - if hex_common.is_written(regid): > - if not hex_common.is_hvx_reg(regtype): > - gen_def_helper_opn(f, tag, regtype, regid, i) > - i += 1 > - > - ## Put the env between the outputs and inputs > - f.write(", env") > - i += 1 > - > - # Second pass > - for regtype, regid in regs: > - if hex_common.is_written(regid): > - if hex_common.is_hvx_reg(regtype): > - gen_def_helper_opn(f, tag, regtype, regid, i) > - i += 1 > - > - ## For conditional instructions, we pass in the destination register > - if "A_CONDEXEC" in hex_common.attribdict[tag]: > - for regtype, regid in regs: > - if hex_common.is_writeonly(regid) and not hex_common.is_hvx_reg( > - regtype > - ): > - gen_def_helper_opn(f, tag, regtype, regid, i) > - i += 1 > + declared = [] > + ret_type = hex_common.helper_ret_type(tag, regs).proto_arg > + declared.append(ret_type) > > - ## Generate the qemu type for each input operand (regs and immediates) > - for regtype, regid in regs: > - if hex_common.is_read(regid): > - if hex_common.is_hvx_reg(regtype) and > hex_common.is_readwrite(regid): > - continue > - gen_def_helper_opn(f, tag, regtype, regid, i) > - i += 1 > - for immlett, bits, immshift in imms: > - f.write(", s32") > + for arg in hex_common.helper_args(tag, regs, imms): > + declared.append(arg.proto_arg) > > - ## Add the arguments for the instruction pkt_has_multi_cof, > - ## pkt_needs_commit, PC, next_PC, slot, and part1 (if needed) > - if hex_common.need_pkt_has_multi_cof(tag): > - f.write(", i32") > - if hex_common.need_pkt_need_commit(tag): > - f.write(', i32') > - if hex_common.need_PC(tag): > - f.write(", i32") > - if hex_common.helper_needs_next_PC(tag): > - f.write(", i32") > - if hex_common.need_slot(tag): > - f.write(", i32") > - if hex_common.need_part1(tag): > - f.write(" , i32") > - f.write(")\n") > + arguments = ", ".join(declared) > + f.write(f"DEF_HELPER_{len(declared) - 1}({tag}, {arguments})\n") > > > def main(): > @@ -195,6 +61,7 @@ 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 979f198a30..2abd653e6d 100755 > --- a/target/hexagon/hex_common.py > +++ b/target/hexagon/hex_common.py > @@ -290,13 +290,6 @@ def need_pkt_has_multi_cof(tag): > def need_pkt_need_commit(tag): > return 'A_IMPLICIT_WRITES_USR' in attribdict[tag] > > -def need_condexec_reg(tag, regs): > - if "A_CONDEXEC" in attribdict[tag]: > - for regtype, regid in regs: > - if is_writeonly(regid) and not is_hvx_reg(regtype): > - return True > - return False > - > > def skip_qemu_helper(tag): > return tag in overrides.keys() > -- > 2.34.1 Reviewed-by: Brian Cain <bcain@quicinc.com>
diff --git a/target/hexagon/gen_helper_protos.py b/target/hexagon/gen_helper_protos.py index 131043795a..c82b0f54e4 100755 --- a/target/hexagon/gen_helper_protos.py +++ b/target/hexagon/gen_helper_protos.py @@ -22,39 +22,6 @@ import string import hex_common -## -## Helpers for gen_helper_prototype -## -def_helper_types = { - "N": "s32", - "O": "s32", - "P": "s32", - "M": "s32", - "C": "s32", - "R": "s32", - "V": "ptr", - "Q": "ptr", -} - -def_helper_types_pair = { - "R": "s64", - "C": "s64", - "S": "s64", - "G": "s64", - "V": "ptr", - "Q": "ptr", -} - - -def gen_def_helper_opn(f, tag, regtype, regid, i): - if hex_common.is_pair(regid): - f.write(f", {def_helper_types_pair[regtype]}") - elif hex_common.is_single(regid): - f.write(f", {def_helper_types[regtype]}") - else: - hex_common.bad_register(regtype, regid) - - ## ## Generate the DEF_HELPER prototype for an instruction ## For A2_add: Rd32=add(Rs32,Rt32) @@ -65,116 +32,15 @@ def gen_helper_prototype(f, tag, tagregs, tagimms): regs = tagregs[tag] imms = tagimms[tag] - numresults = 0 - numscalarresults = 0 - numscalarreadwrite = 0 - for regtype, regid in regs: - if hex_common.is_written(regid): - numresults += 1 - if hex_common.is_scalar_reg(regtype): - numscalarresults += 1 - if hex_common.is_readwrite(regid): - if hex_common.is_scalar_reg(regtype): - numscalarreadwrite += 1 - - if numscalarresults > 1: - ## The helper is bogus when there is more than one result - f.write(f"DEF_HELPER_1({tag}, void, env)\n") - else: - ## Figure out how many arguments the helper will take - if numscalarresults == 0: - def_helper_size = len(regs) + len(imms) + numscalarreadwrite + 1 - if hex_common.need_pkt_has_multi_cof(tag): - def_helper_size += 1 - if hex_common.need_pkt_need_commit(tag): - def_helper_size += 1 - if hex_common.need_part1(tag): - def_helper_size += 1 - if hex_common.need_slot(tag): - def_helper_size += 1 - if hex_common.need_PC(tag): - def_helper_size += 1 - if hex_common.helper_needs_next_PC(tag): - def_helper_size += 1 - if hex_common.need_condexec_reg(tag, regs): - def_helper_size += 1 - f.write(f"DEF_HELPER_{def_helper_size}({tag}") - ## The return type is void - f.write(", void") - else: - def_helper_size = len(regs) + len(imms) + numscalarreadwrite - if hex_common.need_pkt_has_multi_cof(tag): - def_helper_size += 1 - if hex_common.need_pkt_need_commit(tag): - def_helper_size += 1 - if hex_common.need_part1(tag): - def_helper_size += 1 - if hex_common.need_slot(tag): - def_helper_size += 1 - if hex_common.need_PC(tag): - def_helper_size += 1 - if hex_common.need_condexec_reg(tag, regs): - def_helper_size += 1 - if hex_common.helper_needs_next_PC(tag): - def_helper_size += 1 - f.write(f"DEF_HELPER_{def_helper_size}({tag}") - - ## Generate the qemu DEF_HELPER type for each result - ## Iterate over this list twice - ## - Emit the scalar result - ## - Emit the vector result - i = 0 - for regtype, regid in regs: - if hex_common.is_written(regid): - if not hex_common.is_hvx_reg(regtype): - gen_def_helper_opn(f, tag, regtype, regid, i) - i += 1 - - ## Put the env between the outputs and inputs - f.write(", env") - i += 1 - - # Second pass - for regtype, regid in regs: - if hex_common.is_written(regid): - if hex_common.is_hvx_reg(regtype): - gen_def_helper_opn(f, tag, regtype, regid, i) - i += 1 - - ## For conditional instructions, we pass in the destination register - if "A_CONDEXEC" in hex_common.attribdict[tag]: - for regtype, regid in regs: - if hex_common.is_writeonly(regid) and not hex_common.is_hvx_reg( - regtype - ): - gen_def_helper_opn(f, tag, regtype, regid, i) - i += 1 + declared = [] + ret_type = hex_common.helper_ret_type(tag, regs).proto_arg + declared.append(ret_type) - ## Generate the qemu type for each input operand (regs and immediates) - for regtype, regid in regs: - if hex_common.is_read(regid): - if hex_common.is_hvx_reg(regtype) and hex_common.is_readwrite(regid): - continue - gen_def_helper_opn(f, tag, regtype, regid, i) - i += 1 - for immlett, bits, immshift in imms: - f.write(", s32") + for arg in hex_common.helper_args(tag, regs, imms): + declared.append(arg.proto_arg) - ## Add the arguments for the instruction pkt_has_multi_cof, - ## pkt_needs_commit, PC, next_PC, slot, and part1 (if needed) - if hex_common.need_pkt_has_multi_cof(tag): - f.write(", i32") - if hex_common.need_pkt_need_commit(tag): - f.write(', i32') - if hex_common.need_PC(tag): - f.write(", i32") - if hex_common.helper_needs_next_PC(tag): - f.write(", i32") - if hex_common.need_slot(tag): - f.write(", i32") - if hex_common.need_part1(tag): - f.write(" , i32") - f.write(")\n") + arguments = ", ".join(declared) + f.write(f"DEF_HELPER_{len(declared) - 1}({tag}, {arguments})\n") def main(): @@ -195,6 +61,7 @@ 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 979f198a30..2abd653e6d 100755 --- a/target/hexagon/hex_common.py +++ b/target/hexagon/hex_common.py @@ -290,13 +290,6 @@ def need_pkt_has_multi_cof(tag): def need_pkt_need_commit(tag): return 'A_IMPLICIT_WRITES_USR' in attribdict[tag] -def need_condexec_reg(tag, regs): - if "A_CONDEXEC" in attribdict[tag]: - for regtype, regid in regs: - if is_writeonly(regid) and not is_hvx_reg(regtype): - return True - return False - def skip_qemu_helper(tag): return tag in overrides.keys()
Signed-off-by: Taylor Simpson <ltaylorsimpson@gmail.com> --- target/hexagon/gen_helper_protos.py | 149 ++-------------------------- target/hexagon/hex_common.py | 7 -- 2 files changed, 8 insertions(+), 148 deletions(-)