LGTM Edwin Lu <e...@rivosinc.com> 於 2023年9月7日 週四 01:53 寫道：
> This patch creates a new "zicond" type and updates all zicond instructions > with that type. > > gcc/ChangeLog: > > * config/riscv/riscv.md: Add "zicond" type > * config/riscv/zicond.md: Update types > > Signed-off-by: Edwin Lu <e...@rivosinc.com> > --- > gcc/config/riscv/riscv.md | 5 +++-- > gcc/config/riscv/zicond.md | 8 ++++---- > 2 files changed, 7 insertions(+), 6 deletions(-) > > diff --git a/gcc/config/riscv/riscv.md b/gcc/config/riscv/riscv.md > index 6684ad89cff..c329f55db43 100644 > --- a/gcc/config/riscv/riscv.md > +++ b/gcc/config/riscv/riscv.md > @@ -313,6 +313,7 @@ (define_attr "ext_enabled" "no,yes" > ;; cbo cache block instructions > ;; crypto cryptography instructions > ;; csr code size reduction instructions > +;; zicond zicond instructions > ;; Classification of RVV instructions which will be added to each RVV .md > pattern and used by scheduler. > ;; rdvlenb vector byte length vlenb csrr read > ;; rdvl vector length vl csrr read > @@ -422,8 +423,8 @@ (define_attr "type" > mtc,mfc,const,arith,logical,shift,slt,imul,idiv,move,fmove,fadd,fmul, > fmadd,fdiv,fcmp,fcvt,fsqrt,multi,auipc,sfb_alu,nop,trap,ghost,bitmanip, > rotate,clmul,min,max,minu,maxu,clz,ctz,cpop, > - atomic,condmove,cbo,crypto,csr,rdvlenb,rdvl,wrvxrm,wrfrm,rdfrm,vsetvl, > - vlde,vste,vldm,vstm,vlds,vsts, > + atomic,condmove,cbo,crypto,csr,zicond,rdvlenb,rdvl,wrvxrm,wrfrm,rdfrm, > + vsetvl, vlde,vste,vldm,vstm,vlds,vsts, > vldux,vldox,vstux,vstox,vldff,vldr,vstr, > > vlsegde,vssegte,vlsegds,vssegts,vlsegdux,vlsegdox,vssegtux,vssegtox,vlsegdff, > vialu,viwalu,vext,vicalu,vshift,vnshift,vicmp,viminmax, > diff --git a/gcc/config/riscv/zicond.md b/gcc/config/riscv/zicond.md > index 1721e1011ea..0269bd14399 100644 > --- a/gcc/config/riscv/zicond.md > +++ b/gcc/config/riscv/zicond.md > @@ -30,7 +30,7 @@ (define_insn "*czero.<eqz>.<GPR:mode><X:mode>" > (const_int 0)))] > "TARGET_ZICOND" > "czero.<eqz>\t%0,%2,%1" > -) > +[(set_attr "type" "zicond")]) > > (define_insn "*czero.<nez>.<GPR:mode><X:mode>" > [(set (match_operand:GPR 0 "register_operand" "=r") > @@ -40,7 +40,7 @@ (define_insn "*czero.<nez>.<GPR:mode><X:mode>" > (match_operand:GPR 2 "register_operand" > "r")))] > "TARGET_ZICOND" > "czero.<nez>\t%0,%2,%1" > -) > +[(set_attr "type" "zicond")]) > > ;; Special optimization under eq/ne in primitive semantics > (define_insn "*czero.eqz.<GPR:mode><X:mode>.opt1" > @@ -51,7 +51,7 @@ (define_insn "*czero.eqz.<GPR:mode><X:mode>.opt1" > (match_operand:GPR 3 "register_operand" "r")))] > "TARGET_ZICOND && rtx_equal_p (operands[1], operands[2])" > "czero.eqz\t%0,%3,%1" > -) > +[(set_attr "type" "zicond")]) > > (define_insn "*czero.nez.<GPR:mode><X:mode>.opt2" > [(set (match_operand:GPR 0 "register_operand" "=r") > @@ -61,7 +61,7 @@ (define_insn "*czero.nez.<GPR:mode><X:mode>.opt2" > (match_operand:GPR 3 "register_operand" "1")))] > "TARGET_ZICOND && rtx_equal_p (operands[1], operands[3])" > "czero.eqz\t%0,%2,%1" > -) > +[(set_attr "type" "zicond")]) > > ;; Combine creates this form in some cases (particularly the coremark > ;; CRC loop. > -- > 2.34.1 > >
