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Hexagon HVX (target/hexagon) semantics generator - part 2
Acked-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Taylor Simpson <tsimpson@quicinc.com>
This commit is contained in:
Taylor Simpson
parent
144da35776
commit
ccd9eec874
3 changed files with 360 additions and 22 deletions
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@ -48,12 +48,26 @@ def gen_helper_arg_pair(f,regtype,regid,regno):
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if regno >= 0 : f.write(", ")
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f.write("int64_t %s%sV" % (regtype,regid))
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def gen_helper_arg_ext(f,regtype,regid,regno):
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if regno > 0 : f.write(", ")
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f.write("void *%s%sV_void" % (regtype,regid))
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def gen_helper_arg_ext_pair(f,regtype,regid,regno):
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if regno > 0 : f.write(", ")
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f.write("void *%s%sV_void" % (regtype,regid))
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def gen_helper_arg_opn(f,regtype,regid,i,tag):
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if (hex_common.is_pair(regid)):
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gen_helper_arg_pair(f,regtype,regid,i)
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if (hex_common.is_hvx_reg(regtype)):
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gen_helper_arg_ext_pair(f,regtype,regid,i)
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else:
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gen_helper_arg_pair(f,regtype,regid,i)
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elif (hex_common.is_single(regid)):
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if hex_common.is_old_val(regtype, regid, tag):
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gen_helper_arg(f,regtype,regid,i)
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if (hex_common.is_hvx_reg(regtype)):
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gen_helper_arg_ext(f,regtype,regid,i)
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else:
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gen_helper_arg(f,regtype,regid,i)
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elif hex_common.is_new_val(regtype, regid, tag):
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gen_helper_arg_new(f,regtype,regid,i)
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else:
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@ -72,25 +86,67 @@ def gen_helper_dest_decl_pair(f,regtype,regid,regno,subfield=""):
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f.write(" int64_t %s%sV%s = 0;\n" % \
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(regtype,regid,subfield))
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def gen_helper_dest_decl_ext(f,regtype,regid):
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if (regtype == "Q"):
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f.write(" /* %s%sV is *(MMQReg *)(%s%sV_void) */\n" % \
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(regtype,regid,regtype,regid))
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else:
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f.write(" /* %s%sV is *(MMVector *)(%s%sV_void) */\n" % \
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(regtype,regid,regtype,regid))
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def gen_helper_dest_decl_ext_pair(f,regtype,regid,regno):
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f.write(" /* %s%sV is *(MMVectorPair *))%s%sV_void) */\n" % \
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(regtype,regid,regtype, regid))
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def gen_helper_dest_decl_opn(f,regtype,regid,i):
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if (hex_common.is_pair(regid)):
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gen_helper_dest_decl_pair(f,regtype,regid,i)
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if (hex_common.is_hvx_reg(regtype)):
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gen_helper_dest_decl_ext_pair(f,regtype,regid, i)
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else:
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gen_helper_dest_decl_pair(f,regtype,regid,i)
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elif (hex_common.is_single(regid)):
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gen_helper_dest_decl(f,regtype,regid,i)
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if (hex_common.is_hvx_reg(regtype)):
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gen_helper_dest_decl_ext(f,regtype,regid)
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else:
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gen_helper_dest_decl(f,regtype,regid,i)
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else:
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print("Bad register parse: ",regtype,regid,toss,numregs)
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def gen_helper_src_var_ext(f,regtype,regid):
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if (regtype == "Q"):
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f.write(" /* %s%sV is *(MMQReg *)(%s%sV_void) */\n" % \
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(regtype,regid,regtype,regid))
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else:
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f.write(" /* %s%sV is *(MMVector *)(%s%sV_void) */\n" % \
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(regtype,regid,regtype,regid))
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def gen_helper_src_var_ext_pair(f,regtype,regid,regno):
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f.write(" /* %s%sV%s is *(MMVectorPair *)(%s%sV%s_void) */\n" % \
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(regtype,regid,regno,regtype,regid,regno))
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def gen_helper_return(f,regtype,regid,regno):
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f.write(" return %s%sV;\n" % (regtype,regid))
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def gen_helper_return_pair(f,regtype,regid,regno):
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f.write(" return %s%sV;\n" % (regtype,regid))
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def gen_helper_dst_write_ext(f,regtype,regid):
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return
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def gen_helper_dst_write_ext_pair(f,regtype,regid):
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return
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def gen_helper_return_opn(f, regtype, regid, i):
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if (hex_common.is_pair(regid)):
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gen_helper_return_pair(f,regtype,regid,i)
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if (hex_common.is_hvx_reg(regtype)):
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gen_helper_dst_write_ext_pair(f,regtype,regid)
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else:
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gen_helper_return_pair(f,regtype,regid,i)
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elif (hex_common.is_single(regid)):
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gen_helper_return(f,regtype,regid,i)
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if (hex_common.is_hvx_reg(regtype)):
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gen_helper_dst_write_ext(f,regtype,regid)
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else:
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gen_helper_return(f,regtype,regid,i)
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else:
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print("Bad register parse: ",regtype,regid,toss,numregs)
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@ -129,14 +185,20 @@ def gen_helper_function(f, tag, tagregs, tagimms):
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% (tag, tag))
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else:
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## The return type of the function is the type of the destination
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## register
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## register (if scalar)
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i=0
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for regtype,regid,toss,numregs in regs:
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if (hex_common.is_written(regid)):
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if (hex_common.is_pair(regid)):
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gen_helper_return_type_pair(f,regtype,regid,i)
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if (hex_common.is_hvx_reg(regtype)):
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continue
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else:
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gen_helper_return_type_pair(f,regtype,regid,i)
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elif (hex_common.is_single(regid)):
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gen_helper_return_type(f,regtype,regid,i)
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if (hex_common.is_hvx_reg(regtype)):
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continue
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else:
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gen_helper_return_type(f,regtype,regid,i)
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else:
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print("Bad register parse: ",regtype,regid,toss,numregs)
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i += 1
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@ -145,16 +207,37 @@ def gen_helper_function(f, tag, tagregs, tagimms):
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f.write("void")
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f.write(" HELPER(%s)(CPUHexagonState *env" % tag)
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## Arguments include the vector destination operands
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i = 1
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for regtype,regid,toss,numregs in regs:
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if (hex_common.is_written(regid)):
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if (hex_common.is_pair(regid)):
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if (hex_common.is_hvx_reg(regtype)):
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gen_helper_arg_ext_pair(f,regtype,regid,i)
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else:
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continue
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elif (hex_common.is_single(regid)):
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if (hex_common.is_hvx_reg(regtype)):
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gen_helper_arg_ext(f,regtype,regid,i)
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else:
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# This is the return value of the function
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continue
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else:
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print("Bad register parse: ",regtype,regid,toss,numregs)
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i += 1
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## Arguments to the helper function are the source regs and immediates
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for regtype,regid,toss,numregs in regs:
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if (hex_common.is_read(regid)):
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if (hex_common.is_hvx_reg(regtype) and
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hex_common.is_readwrite(regid)):
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continue
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gen_helper_arg_opn(f,regtype,regid,i,tag)
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i += 1
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for immlett,bits,immshift in imms:
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gen_helper_arg_imm(f,immlett)
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i += 1
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if hex_common.need_slot(tag):
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if i > 0: f.write(", ")
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f.write("uint32_t slot")
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@ -173,6 +256,17 @@ def gen_helper_function(f, tag, tagregs, tagimms):
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gen_helper_dest_decl_opn(f,regtype,regid,i)
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i += 1
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for regtype,regid,toss,numregs in regs:
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if (hex_common.is_read(regid)):
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if (hex_common.is_pair(regid)):
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if (hex_common.is_hvx_reg(regtype)):
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gen_helper_src_var_ext_pair(f,regtype,regid,i)
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elif (hex_common.is_single(regid)):
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if (hex_common.is_hvx_reg(regtype)):
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gen_helper_src_var_ext(f,regtype,regid)
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else:
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print("Bad register parse: ",regtype,regid,toss,numregs)
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if 'A_FPOP' in hex_common.attribdict[tag]:
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f.write(' arch_fpop_start(env);\n');
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