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* [gcc r14-1950] AArch64: convert some patterns to compact MD syntax
@ 2023-06-19 14:58 Tamar Christina
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From: Tamar Christina @ 2023-06-19 14:58 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:c72a7b849853716d94e8d313be5dce3c22850113
commit r14-1950-gc72a7b849853716d94e8d313be5dce3c22850113
Author: Tamar Christina <tamar.christina@arm.com>
Date: Mon Jun 19 15:55:28 2023 +0100
AArch64: convert some patterns to compact MD syntax
Hi All,
This converts some patterns in the AArch64 backend to use the new
compact syntax.
gcc/ChangeLog:
* config/aarch64/aarch64.md (arches): Add nosimd.
(*mov<mode>_aarch64, *movsi_aarch64, *movdi_aarch64): Rewrite to
compact syntax.
Diff:
---
gcc/config/aarch64/aarch64.md | 161 ++++++++++++++++++++----------------------
1 file changed, 78 insertions(+), 83 deletions(-)
diff --git a/gcc/config/aarch64/aarch64.md b/gcc/config/aarch64/aarch64.md
index ac39a4d683e..97e5a59d30c 100644
--- a/gcc/config/aarch64/aarch64.md
+++ b/gcc/config/aarch64/aarch64.md
@@ -366,7 +366,7 @@
;; As a convenience, "fp_q" means "fp" + the ability to move between
;; Q registers and is equivalent to "simd".
-(define_enum "arches" [ any rcpc8_4 fp fp_q simd sve fp16])
+(define_enum "arches" [ any rcpc8_4 fp fp_q simd nosimd sve fp16])
(define_enum_attr "arch" "arches" (const_string "any"))
@@ -397,6 +397,9 @@
(and (eq_attr "arch" "fp_q, simd")
(match_test "TARGET_SIMD"))
+ (and (eq_attr "arch" "nosimd")
+ (match_test "!TARGET_SIMD"))
+
(and (eq_attr "arch" "fp16")
(match_test "TARGET_FP_F16INST"))
@@ -1206,26 +1209,27 @@
)
(define_insn "*mov<mode>_aarch64"
- [(set (match_operand:SHORT 0 "nonimmediate_operand" "=r,r, w,r ,r,w, m,m,r,w,w")
- (match_operand:SHORT 1 "aarch64_mov_operand" " r,M,D<hq>,Usv,m,m,rZ,w,w,rZ,w"))]
+ [(set (match_operand:SHORT 0 "nonimmediate_operand")
+ (match_operand:SHORT 1 "aarch64_mov_operand"))]
"(register_operand (operands[0], <MODE>mode)
|| aarch64_reg_or_zero (operands[1], <MODE>mode))"
- "@
- mov\t%w0, %w1
- mov\t%w0, %1
- * return aarch64_output_scalar_simd_mov_immediate (operands[1], <MODE>mode);
- * return aarch64_output_sve_cnt_immediate (\"cnt\", \"%x0\", operands[1]);
- ldr<size>\t%w0, %1
- ldr\t%<size>0, %1
- str<size>\t%w1, %0
- str\t%<size>1, %0
- * return TARGET_SIMD ? \"umov\t%w0, %1.<v>[0]\" : \"fmov\t%w0, %s1\";
- * return TARGET_SIMD ? \"dup\t%0.<Vallxd>, %w1\" : \"fmov\t%s0, %w1\";
- * return TARGET_SIMD ? \"dup\t%<Vetype>0, %1.<v>[0]\" : \"fmov\t%s0, %s1\";"
- ;; The "mov_imm" type for CNT is just a placeholder.
- [(set_attr "type" "mov_reg,mov_imm,neon_move,mov_imm,load_4,load_4,store_4,
- store_4,neon_to_gp<q>,neon_from_gp<q>,neon_dup")
- (set_attr "arch" "*,*,simd,sve,*,*,*,*,*,*,*")]
+ {@ [cons: =0, 1; attrs: type, arch]
+ [r, r ; mov_reg , * ] mov\t%w0, %w1
+ [r, M ; mov_imm , * ] mov\t%w0, %1
+ [w, D<hq>; neon_move , simd ] << aarch64_output_scalar_simd_mov_immediate (operands[1], <MODE>mode);
+ /* The "mov_imm" type for CNT is just a placeholder. */
+ [r, Usv ; mov_imm , sve ] << aarch64_output_sve_cnt_immediate ("cnt", "%x0", operands[1]);
+ [r, m ; load_4 , * ] ldr<size>\t%w0, %1
+ [w, m ; load_4 , * ] ldr\t%<size>0, %1
+ [m, r Z ; store_4 , * ] str<size>\\t%w1, %0
+ [m, w ; store_4 , * ] str\t%<size>1, %0
+ [r, w ; neon_to_gp<q> , simd ] umov\t%w0, %1.<v>[0]
+ [r, w ; neon_to_gp<q> , nosimd] fmov\t%w0, %s1 /*foo */
+ [w, r Z ; neon_from_gp<q>, simd ] dup\t%0.<Vallxd>, %w1
+ [w, r Z ; neon_from_gp<q>, nosimd] fmov\t%s0, %w1
+ [w, w ; neon_dup , simd ] dup\t%<Vetype>0, %1.<v>[0]
+ [w, w ; neon_dup , nosimd] fmov\t%s0, %s1
+ }
)
(define_expand "mov<mode>"
@@ -1262,79 +1266,70 @@
)
(define_insn_and_split "*movsi_aarch64"
- [(set (match_operand:SI 0 "nonimmediate_operand" "=r,k,r,r,r,r, r,w, m, m, r, r, r, w,r,w, w")
- (match_operand:SI 1 "aarch64_mov_operand" " r,r,k,M,n,Usv,m,m,rZ,w,Usw,Usa,Ush,rZ,w,w,Ds"))]
+ [(set (match_operand:SI 0 "nonimmediate_operand")
+ (match_operand:SI 1 "aarch64_mov_operand"))]
"(register_operand (operands[0], SImode)
|| aarch64_reg_or_zero (operands[1], SImode))"
- "@
- mov\\t%w0, %w1
- mov\\t%w0, %w1
- mov\\t%w0, %w1
- mov\\t%w0, %1
- #
- * return aarch64_output_sve_cnt_immediate (\"cnt\", \"%x0\", operands[1]);
- ldr\\t%w0, %1
- ldr\\t%s0, %1
- str\\t%w1, %0
- str\\t%s1, %0
- adrp\\t%x0, %A1\;ldr\\t%w0, [%x0, %L1]
- adr\\t%x0, %c1
- adrp\\t%x0, %A1
- fmov\\t%s0, %w1
- fmov\\t%w0, %s1
- fmov\\t%s0, %s1
- * return aarch64_output_scalar_simd_mov_immediate (operands[1], SImode);"
+ {@ [cons: =0, 1; attrs: type, arch, length]
+ [r k, r ; mov_reg , * , 4] mov\t%w0, %w1
+ [r , k ; mov_reg , * , 4] ^
+ [r , M ; mov_imm , * , 4] mov\t%w0, %1
+ [r , n ; mov_imm , * ,16] #
+ /* The "mov_imm" type for CNT is just a placeholder. */
+ [r , Usv; mov_imm , sve , 4] << aarch64_output_sve_cnt_immediate ("cnt", "%x0", operands[1]);
+ [r , m ; load_4 , * , 4] ldr\t%w0, %1
+ [w , m ; load_4 , fp , 4] ldr\t%s0, %1
+ [m , r Z; store_4 , * , 4] str\t%w1, %0
+ [m , w ; store_4 , fp , 4] str\t%s1, %0
+ [r , Usw; load_4 , * , 8] adrp\t%x0, %A1;ldr\t%w0, [%x0, %L1]
+ [r , Usa; adr , * , 4] adr\t%x0, %c1
+ [r , Ush; adr , * , 4] adrp\t%x0, %A1
+ [w , r Z; f_mcr , fp , 4] fmov\t%s0, %w1
+ [r , w ; f_mrc , fp , 4] fmov\t%w0, %s1
+ [w , w ; fmov , fp , 4] fmov\t%s0, %s1
+ [w , Ds ; neon_move, simd, 4] << aarch64_output_scalar_simd_mov_immediate (operands[1], SImode);
+ }
"CONST_INT_P (operands[1]) && !aarch64_move_imm (INTVAL (operands[1]), SImode)
&& REG_P (operands[0]) && GP_REGNUM_P (REGNO (operands[0]))"
- [(const_int 0)]
- "{
- aarch64_expand_mov_immediate (operands[0], operands[1]);
- DONE;
- }"
- ;; The "mov_imm" type for CNT is just a placeholder.
- [(set_attr "type" "mov_reg,mov_reg,mov_reg,mov_imm,mov_imm,mov_imm,load_4,
- load_4,store_4,store_4,load_4,adr,adr,f_mcr,f_mrc,fmov,neon_move")
- (set_attr "arch" "*,*,*,*,*,sve,*,fp,*,fp,*,*,*,fp,fp,fp,simd")
- (set_attr "length" "4,4,4,4,*, 4,4, 4,4, 4,8,4,4, 4, 4, 4, 4")
-]
+ [(const_int 0)]
+ {
+ aarch64_expand_mov_immediate (operands[0], operands[1]);
+ DONE;
+ }
)
(define_insn_and_split "*movdi_aarch64"
- [(set (match_operand:DI 0 "nonimmediate_operand" "=r,k,r,r,r,r, r,w, m,m, r, r, r, w,r,w, w")
- (match_operand:DI 1 "aarch64_mov_operand" " r,r,k,O,n,Usv,m,m,rZ,w,Usw,Usa,Ush,rZ,w,w,Dd"))]
+ [(set (match_operand:DI 0 "nonimmediate_operand")
+ (match_operand:DI 1 "aarch64_mov_operand"))]
"(register_operand (operands[0], DImode)
|| aarch64_reg_or_zero (operands[1], DImode))"
- "@
- mov\\t%x0, %x1
- mov\\t%0, %x1
- mov\\t%x0, %1
- * return aarch64_is_mov_xn_imm (INTVAL (operands[1])) ? \"mov\\t%x0, %1\" : \"mov\\t%w0, %1\";
- #
- * return aarch64_output_sve_cnt_immediate (\"cnt\", \"%x0\", operands[1]);
- ldr\\t%x0, %1
- ldr\\t%d0, %1
- str\\t%x1, %0
- str\\t%d1, %0
- * return TARGET_ILP32 ? \"adrp\\t%0, %A1\;ldr\\t%w0, [%0, %L1]\" : \"adrp\\t%0, %A1\;ldr\\t%0, [%0, %L1]\";
- adr\\t%x0, %c1
- adrp\\t%x0, %A1
- fmov\\t%d0, %x1
- fmov\\t%x0, %d1
- fmov\\t%d0, %d1
- * return aarch64_output_scalar_simd_mov_immediate (operands[1], DImode);"
- "CONST_INT_P (operands[1]) && !aarch64_move_imm (INTVAL (operands[1]), DImode)
- && REG_P (operands[0]) && GP_REGNUM_P (REGNO (operands[0]))"
- [(const_int 0)]
- "{
- aarch64_expand_mov_immediate (operands[0], operands[1]);
- DONE;
- }"
- ;; The "mov_imm" type for CNTD is just a placeholder.
- [(set_attr "type" "mov_reg,mov_reg,mov_reg,mov_imm,mov_imm,mov_imm,
- load_8,load_8,store_8,store_8,load_8,adr,adr,f_mcr,f_mrc,
- fmov,neon_move")
- (set_attr "arch" "*,*,*,*,*,sve,*,fp,*,fp,*,*,*,fp,fp,fp,simd")
- (set_attr "length" "4,4,4,4,*, 4,4, 4,4, 4,8,4,4, 4, 4, 4, 4")]
+ {@ [cons: =0, 1; attrs: type, arch, length]
+ [r, r ; mov_reg , * , 4] mov\t%x0, %x1
+ [k, r ; mov_reg , * , 4] mov\t%0, %x1
+ [r, k ; mov_reg , * , 4] mov\t%x0, %1
+ [r, O ; mov_imm , * , 4] << aarch64_is_mov_xn_imm (INTVAL (operands[1])) ? "mov\t%x0, %1" : "mov\t%w0, %1";
+ [r, n ; mov_imm , * ,16] #
+ /* The "mov_imm" type for CNT is just a placeholder. */
+ [r, Usv; mov_imm , sve , 4] << aarch64_output_sve_cnt_immediate ("cnt", "%x0", operands[1]);
+ [r, m ; load_8 , * , 4] ldr\t%x0, %1
+ [w, m ; load_8 , fp , 4] ldr\t%d0, %1
+ [m, r Z; store_8 , * , 4] str\t%x1, %0
+ [m, w ; store_8 , fp , 4] str\t%d1, %0
+ [r, Usw; load_8 , * , 8] << TARGET_ILP32 ? "adrp\t%0, %A1;ldr\t%w0, [%0, %L1]" : "adrp\t%0, %A1;ldr\t%0, [%0, %L1]";
+ [r, Usa; adr , * , 4] adr\t%x0, %c1
+ [r, Ush; adr , * , 4] adrp\t%x0, %A1
+ [w, r Z; f_mcr , fp , 4] fmov\t%d0, %x1
+ [r, w ; f_mrc , fp , 4] fmov\t%x0, %d1
+ [w, w ; fmov , fp , 4] fmov\t%d0, %d1
+ [w, Dd ; neon_move, simd, 4] << aarch64_output_scalar_simd_mov_immediate (operands[1], DImode);
+ }
+ "CONST_INT_P (operands[1]) && !aarch64_move_imm (INTVAL (operands[1]), DImode)
+ && REG_P (operands[0]) && GP_REGNUM_P (REGNO (operands[0]))"
+ [(const_int 0)]
+ {
+ aarch64_expand_mov_immediate (operands[0], operands[1]);
+ DONE;
+ }
)
(define_insn "insv_imm<mode>"
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