diff options
Diffstat (limited to 'target/hexagon/hex_common.py')
| -rwxr-xr-x | target/hexagon/hex_common.py | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/target/hexagon/hex_common.py b/target/hexagon/hex_common.py index cfe5fe7b35..8e631b444f 100755 --- a/target/hexagon/hex_common.py +++ b/target/hexagon/hex_common.py @@ -66,6 +66,19 @@ def add_qemu_macro_attrib(name, attrib): macros[name].attribs.add(attrib) immextre = re.compile(r'f(MUST_)?IMMEXT[(]([UuSsRr])') + +def is_cond_jump(tag): + if tag == 'J2_rte': + return False + if ('A_HWLOOP0_END' in attribdict[tag] or + 'A_HWLOOP1_END' in attribdict[tag]): + return False + return \ + re.compile(r"(if.*fBRANCH)|(if.*fJUMPR)").search(semdict[tag]) != None + +def is_cond_call(tag): + return re.compile(r"(if.*fCALL)").search(semdict[tag]) != None + def calculate_attribs(): add_qemu_macro_attrib('fREAD_PC', 'A_IMPLICIT_READS_PC') add_qemu_macro_attrib('fTRAP', 'A_IMPLICIT_READS_PC') @@ -96,6 +109,11 @@ def calculate_attribs(): for regtype, regid, toss, numregs in regs: if regtype == "P" and is_written(regid): attribdict[tag].add('A_WRITES_PRED_REG') + # Mark conditional jumps and calls + # Not all instructions are properly marked with A_CONDEXEC + for tag in tags: + if is_cond_jump(tag) or is_cond_call(tag): + attribdict[tag].add('A_CONDEXEC') def SEMANTICS(tag, beh, sem): #print tag,beh,sem @@ -211,6 +229,9 @@ def need_ea(tag): def need_PC(tag): return 'A_IMPLICIT_READS_PC' in attribdict[tag] +def helper_needs_next_PC(tag): + return 'A_CALL' in attribdict[tag] + def need_pkt_has_multi_cof(tag): return 'A_COF' in attribdict[tag] |