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RISC-V: Add type attribute for atomic instructions.

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gcc/ChangeLog:

	* config/riscv/riscv.md: Add atomic type attribute.
	* config/riscv/sync.md: Add atomic type for atomic instructions.
This commit is contained in:
Monk Chiang 2022-10-21 13:01:59 +08:00 • committed by Kito Cheng
parent fa553ff26d
commit bdac4b47cb
2 changed files with 11 additions and 6 deletions
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2
gcc/config/riscv/riscv.md
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@ -317,7 +317,7 @@
"unknown,branch,jump,call,load,fpload,store,fpstore,
mtc,mfc,const,arith,logical,shift,slt,imul,idiv,move,fmove,fadd,fmul,
fmadd,fdiv,fcmp,fcvt,fsqrt,multi,auipc,sfb_alu,nop,ghost,bitmanip,rotate,
rdvlenb,rdvl,vsetvl,vlde,vste,vldm,vstm,vlds,vsts,
atomic,rdvlenb,rdvl,vsetvl,vlde,vste,vldm,vstm,vlds,vsts,
vldux,vldox,vstux,vstox,vldff,vldr,vstr,
vialu,viwalu,vext,vicalu,vshift,vnshift,vicmp,
vimul,vidiv,viwmul,vimuladd,viwmuladd,vimerge,vimov,

15
gcc/config/riscv/sync.md
View file

@ -62,7 +62,8 @@
UNSPEC_ATOMIC_STORE))]
"TARGET_ATOMIC"
"%F2amoswap.<amo>%A2 zero,%z1,%0"
[(set (attr "length") (const_int 8))])
[(set_attr "type" "atomic")
(set (attr "length") (const_int 8))])
(define_insn "atomic_<atomic_optab><mode>"
[(set (match_operand:GPR 0 "memory_operand" "+A")
@ -73,7 +74,8 @@
UNSPEC_SYNC_OLD_OP))]
"TARGET_ATOMIC"
"%F2amo<insn>.<amo>%A2 zero,%z1,%0"
[(set (attr "length") (const_int 8))])
[(set_attr "type" "atomic")
(set (attr "length") (const_int 8))])
(define_insn "atomic_fetch_<atomic_optab><mode>"
[(set (match_operand:GPR 0 "register_operand" "=&r")
@ -86,7 +88,8 @@
UNSPEC_SYNC_OLD_OP))]
"TARGET_ATOMIC"
"%F3amo<insn>.<amo>%A3 %0,%z2,%1"
[(set (attr "length") (const_int 8))])
[(set_attr "type" "atomic")
(set (attr "length") (const_int 8))])
(define_insn "atomic_exchange<mode>"
[(set (match_operand:GPR 0 "register_operand" "=&r")
@ -98,7 +101,8 @@
(match_operand:GPR 2 "register_operand" "0"))]
"TARGET_ATOMIC"
"%F3amoswap.<amo>%A3 %0,%z2,%1"
[(set (attr "length") (const_int 8))])
[(set_attr "type" "atomic")
(set (attr "length") (const_int 8))])
(define_insn "atomic_cas_value_strong<mode>"
[(set (match_operand:GPR 0 "register_operand" "=&r")
@ -112,7 +116,8 @@
(clobber (match_scratch:GPR 6 "=&r"))]
"TARGET_ATOMIC"
"%F5 1: lr.<amo>%A5 %0,%1; bne %0,%z2,1f; sc.<amo>%A4 %6,%z3,%1; bnez %6,1b; 1:"
[(set (attr "length") (const_int 20))])
[(set_attr "type" "atomic")
(set (attr "length") (const_int 20))])
(define_expand "atomic_compare_and_swap<mode>"
[(match_operand:SI 0 "register_operand" "") ;; bool output