Hexagon (target/hexagon) Remove unused WRITES_PRED_REG attribute

This is the only remaining use of the is_written function.  We will
remove it in the subsequent commit.

Signed-off-by: Taylor Simpson <ltaylorsimpson@gmail.com>
Reviewed-by: Brian Cain <bcain@quicinc.com>
Message-Id: <20231210220712.491494-9-ltaylorsimpson@gmail.com>
Signed-off-by: Brian Cain <bcain@quicinc.com>
This commit is contained in:
Taylor Simpson 2023-12-10 15:07:11 -07:00 committed by Brian Cain
parent 66fab981c0
commit 800abf87b0
2 changed files with 0 additions and 12 deletions

View File

@ -117,7 +117,6 @@ DEF_ATTRIB(IMPLICIT_READS_P1, "Reads the P1 register", "", "")
DEF_ATTRIB(IMPLICIT_READS_P2, "Reads the P2 register", "", "")
DEF_ATTRIB(IMPLICIT_READS_P3, "Reads the P3 register", "", "")
DEF_ATTRIB(IMPLICIT_WRITES_USR, "May write USR", "", "")
DEF_ATTRIB(WRITES_PRED_REG, "Writes a predicate register", "", "")
DEF_ATTRIB(COMMUTES, "The operation is communitive", "", "")
DEF_ATTRIB(DEALLOCRET, "dealloc_return", "", "")
DEF_ATTRIB(DEALLOCFRAME, "deallocframe", "", "")

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@ -94,10 +94,6 @@ def is_cond_call(tag):
def calculate_attribs():
add_qemu_macro_attrib("fREAD_PC", "A_IMPLICIT_READS_PC")
add_qemu_macro_attrib("fTRAP", "A_IMPLICIT_READS_PC")
add_qemu_macro_attrib("fWRITE_P0", "A_WRITES_PRED_REG")
add_qemu_macro_attrib("fWRITE_P1", "A_WRITES_PRED_REG")
add_qemu_macro_attrib("fWRITE_P2", "A_WRITES_PRED_REG")
add_qemu_macro_attrib("fWRITE_P3", "A_WRITES_PRED_REG")
add_qemu_macro_attrib("fSET_OVERFLOW", "A_IMPLICIT_WRITES_USR")
add_qemu_macro_attrib("fSET_LPCFG", "A_IMPLICIT_WRITES_USR")
add_qemu_macro_attrib("fLOAD", "A_SCALAR_LOAD")
@ -122,13 +118,6 @@ def calculate_attribs():
continue
macro = macros[macname]
attribdict[tag] |= set(macro.attribs)
# Figure out which instructions write predicate registers
tagregs = get_tagregs()
for tag in tags:
regs = tagregs[tag]
for regtype, regid 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: