From: Monk Chiang <monk.chiang@sifive.com>
To: gcc-patches@gcc.gnu.org, kito.cheng@gmail.com
Cc: Monk Chiang <monk.chiang@sifive.com>
Subject: [PATCH] RISC-V: Add type attribute for atomic instructions.
Date: Fri, 21 Oct 2022 13:01:59 +0800 [thread overview]
Message-ID: <20221021050159.121335-1-monk.chiang@sifive.com> (raw)
gcc/ChangeLog:
* config/riscv/riscv.md: Add atomic type attribute.
* config/riscv/sync.md: Add atomic type for atomic instructions.
---
gcc/config/riscv/riscv.md | 2 +-
gcc/config/riscv/sync.md | 15 ++++++++++-----
2 files changed, 11 insertions(+), 6 deletions(-)
diff --git a/gcc/config/riscv/riscv.md b/gcc/config/riscv/riscv.md
index b3654915fde..9384ced0447 100644
--- a/gcc/config/riscv/riscv.md
+++ b/gcc/config/riscv/riscv.md
@@ -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,
diff --git a/gcc/config/riscv/sync.md b/gcc/config/riscv/sync.md
index 7deb290d9dc..449f275e6a2 100644
--- a/gcc/config/riscv/sync.md
+++ b/gcc/config/riscv/sync.md
@@ -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
--
2.37.2
next reply other threads:[~2022-10-21 5:02 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-10-21 5:01 Monk Chiang [this message]
2022-10-21 7:35 ` Kito Cheng
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