[v3] LoongArch: testsuite:Added support for vector object detection.

  - Change the default vectorization "-mlasx" option to "-mlsx" because there
are many non-aligned memory accesses when using 256-bit vectorization.

- The following detection procedure is added to the target-supports.exp file:

1.check_effective_target_scalar_all_fma
2.check_effective_target_vect_int
3.check_effective_target_vect_intfloat_cvt
4.check_effective_target_vect_doubleint_cvt
5.check_effective_target_vect_intdouble_cvt
6.check_effective_target_vect_uintfloat_cvt
7.check_effective_target_vect_floatint_cvt
8.check_effective_target_vect_floatuint_cvt
9.check_effective_target_vect_shift
10.check_effective_target_vect_var_shift
11.check_effective_target_whole_vector_shift
12.check_effective_target_vect_bswap
13.check_effective_target_vect_bool_cmp
14.check_effective_target_vect_char_add
15.check_effective_target_vect_shift_char
16.check_effective_target_vect_long
17.check_effective_target_vect_float
18.check_effective_target_vect_double
19.check_effective_target_vect_long_long
20.check_effective_target_vect_perm
21.check_effective_target_vect_perm_byte
22.check_effective_target_vect_perm_short
23.check_effective_target_vect_widen_sum_hi_to_si
24.check_effective_target_vect_widen_sum_qi_to_hi
25.check_effective_target_vect_widen_sum_qi_to_hi
26.check_effective_target_vect_widen_mult_qi_to_hi
27.check_effective_target_vect_widen_mult_hi_to_si
28.check_effective_target_vect_widen_mult_qi_to_hi_pattern
29.check_effective_target_vect_widen_mult_hi_to_si_pattern
30.check_effective_target_vect_widen_mult_si_to_di_pattern
31.check_effective_target_vect_sdot_qi
32.check_effective_target_vect_udot_qi
33.check_effective_target_vect_sdot_hi
34.check_effective_target_vect_udot_hi
35.check_effective_target_vect_usad_char
36.check_effective_target_vect_avg_qi
37.check_effective_target_vect_pack_trunc
38.check_effective_target_vect_unpack
39.check_effective_target_vect_hw_misalign
40.check_effective_target_vect_gather_load_ifn
40.check_effective_target_vect_condition
42.check_effective_target_vect_cond_mixed
43.check_effective_target_vect_char_mult
44.check_effective_target_vect_short_mult
45.check_effective_target_vect_int_mult
46.check_effective_target_vect_long_mult
47.check_effective_target_vect_int_mod
48.check_effective_target_vect_extract_even_odd
49.check_effective_target_vect_interleave
50.check_effective_target_vect_call_copysignf
51.check_effective_target_vect_call_sqrtf
52.check_effective_target_vect_call_lrint
53.check_effective_target_vect_call_btrunc
54.check_effective_target_vect_call_btruncf
55.check_effective_target_vect_call_ceil
56.check_effective_target_vect_call_ceilf
57.check_effective_target_vect_call_floor
58.check_effective_target_vect_call_floorf
59.check_effective_target_vect_call_lceil
60.check_effective_target_vect_call_lfloor
61.check_effective_target_vect_logical_reduc
62.check_effective_target_section_anchors
63.check_vect_support_and_set_flags
64.check_effective_target_vect_max_reduc
65.check_effective_target_loongarch_sx
66.check_effective_target_loongarch_sx_hw

gcc/testsuite/ChangeLog:

	* lib/target-supports.exp: Add LoongArch to the list of supported
	targets.
---
 gcc/testsuite/lib/target-supports.exp | 217 +++++++++++++++++++-------
 1 file changed, 162 insertions(+), 55 deletions(-)
  

pushed to r14-6954.
在 2024/1/5 下午2:05, chenxiaolong 写道:
> - Change the default vectorization "-mlasx" option to "-mlsx" because there
> are many non-aligned memory accesses when using 256-bit vectorization.
>
> - The following detection procedure is added to the target-supports.exp file:
>
> 1.check_effective_target_scalar_all_fma
> 2.check_effective_target_vect_int
> 3.check_effective_target_vect_intfloat_cvt
> 4.check_effective_target_vect_doubleint_cvt
> 5.check_effective_target_vect_intdouble_cvt
> 6.check_effective_target_vect_uintfloat_cvt
> 7.check_effective_target_vect_floatint_cvt
> 8.check_effective_target_vect_floatuint_cvt
> 9.check_effective_target_vect_shift
> 10.check_effective_target_vect_var_shift
> 11.check_effective_target_whole_vector_shift
> 12.check_effective_target_vect_bswap
> 13.check_effective_target_vect_bool_cmp
> 14.check_effective_target_vect_char_add
> 15.check_effective_target_vect_shift_char
> 16.check_effective_target_vect_long
> 17.check_effective_target_vect_float
> 18.check_effective_target_vect_double
> 19.check_effective_target_vect_long_long
> 20.check_effective_target_vect_perm
> 21.check_effective_target_vect_perm_byte
> 22.check_effective_target_vect_perm_short
> 23.check_effective_target_vect_widen_sum_hi_to_si
> 24.check_effective_target_vect_widen_sum_qi_to_hi
> 25.check_effective_target_vect_widen_sum_qi_to_hi
> 26.check_effective_target_vect_widen_mult_qi_to_hi
> 27.check_effective_target_vect_widen_mult_hi_to_si
> 28.check_effective_target_vect_widen_mult_qi_to_hi_pattern
> 29.check_effective_target_vect_widen_mult_hi_to_si_pattern
> 30.check_effective_target_vect_widen_mult_si_to_di_pattern
> 31.check_effective_target_vect_sdot_qi
> 32.check_effective_target_vect_udot_qi
> 33.check_effective_target_vect_sdot_hi
> 34.check_effective_target_vect_udot_hi
> 35.check_effective_target_vect_usad_char
> 36.check_effective_target_vect_avg_qi
> 37.check_effective_target_vect_pack_trunc
> 38.check_effective_target_vect_unpack
> 39.check_effective_target_vect_hw_misalign
> 40.check_effective_target_vect_gather_load_ifn
> 40.check_effective_target_vect_condition
> 42.check_effective_target_vect_cond_mixed
> 43.check_effective_target_vect_char_mult
> 44.check_effective_target_vect_short_mult
> 45.check_effective_target_vect_int_mult
> 46.check_effective_target_vect_long_mult
> 47.check_effective_target_vect_int_mod
> 48.check_effective_target_vect_extract_even_odd
> 49.check_effective_target_vect_interleave
> 50.check_effective_target_vect_call_copysignf
> 51.check_effective_target_vect_call_sqrtf
> 52.check_effective_target_vect_call_lrint
> 53.check_effective_target_vect_call_btrunc
> 54.check_effective_target_vect_call_btruncf
> 55.check_effective_target_vect_call_ceil
> 56.check_effective_target_vect_call_ceilf
> 57.check_effective_target_vect_call_floor
> 58.check_effective_target_vect_call_floorf
> 59.check_effective_target_vect_call_lceil
> 60.check_effective_target_vect_call_lfloor
> 61.check_effective_target_vect_logical_reduc
> 62.check_effective_target_section_anchors
> 63.check_vect_support_and_set_flags
> 64.check_effective_target_vect_max_reduc
> 65.check_effective_target_loongarch_sx
> 66.check_effective_target_loongarch_sx_hw
>
> gcc/testsuite/ChangeLog:
>
> 	* lib/target-supports.exp: Add LoongArch to the list of supported
> 	targets.
> ---
>   gcc/testsuite/lib/target-supports.exp | 217 +++++++++++++++++++-------
>   1 file changed, 162 insertions(+), 55 deletions(-)
>
> diff --git a/gcc/testsuite/lib/target-supports.exp b/gcc/testsuite/lib/target-supports.exp
> index 167e630f5a5..9addf35ade4 100644
> --- a/gcc/testsuite/lib/target-supports.exp
> +++ b/gcc/testsuite/lib/target-supports.exp
> @@ -3815,7 +3815,11 @@ proc add_options_for_bfloat16 { flags } {
>   # (fma, fms, fnma, and fnms) for both float and double.
>   
>   proc check_effective_target_scalar_all_fma { } {
> -    return [istarget aarch64*-*-*]
> +    if { [istarget aarch64*-*-*]
> +	 || [istarget loongarch*-*-*]} {
> +	return 1
> +    }
> +    return 0
>   }
>   
>   # Return 1 if the target supports compiling fixed-point,
> @@ -4051,6 +4055,8 @@ proc check_effective_target_vect_int { } {
>   	     && [check_effective_target_s390_vx])
>   	 || ([istarget riscv*-*-*]
>   	     && [check_effective_target_riscv_v])
> +	 || ([istarget loongarch*-*-*]
> +	     && [check_effective_target_loongarch_sx])
>   	}}]
>   }
>   
> @@ -4218,7 +4224,9 @@ proc check_effective_target_vect_intfloat_cvt { } {
>   	     || ([istarget s390*-*-*]
>   		 && [check_effective_target_s390_vxe2])
>   	     || ([istarget riscv*-*-*]
> -		 && [check_effective_target_riscv_v]) }}]
> +		 && [check_effective_target_riscv_v])
> +	     || ([istarget loongarch*-*-*]
> +		 && [check_effective_target_loongarch_sx]) }}]
>   }
>   
>   # Return 1 if the target supports signed double->int conversion
> @@ -4239,7 +4247,9 @@ proc check_effective_target_vect_doubleint_cvt { } {
>   	     || ([istarget s390*-*-*]
>   		 && [check_effective_target_s390_vx])
>   	     || ([istarget riscv*-*-*]
> -		 && [check_effective_target_riscv_v]) }}]
> +		 && [check_effective_target_riscv_v])
> +	     || ([istarget loongarch*-*-*]
> +		 && [check_effective_target_loongarch_sx]) }}]
>   }
>   
>   # Return 1 if the target supports signed int->double conversion
> @@ -4260,7 +4270,9 @@ proc check_effective_target_vect_intdouble_cvt { } {
>   	     || ([istarget s390*-*-*]
>   		 && [check_effective_target_s390_vx])
>   	     || ([istarget riscv*-*-*]
> -		 && [check_effective_target_riscv_v]) }}]
> +		 && [check_effective_target_riscv_v])
> +	     || ([istarget loongarch*-*-*]
> +		 && [check_effective_target_loongarch_sx]) }}]
>   }
>   
>   #Return 1 if we're supporting __int128 for target, 0 otherwise.
> @@ -4293,7 +4305,9 @@ proc check_effective_target_vect_uintfloat_cvt { } {
>   	     || ([istarget s390*-*-*]
>   		 && [check_effective_target_s390_vxe2])
>   	     || ([istarget riscv*-*-*]
> -		 && [check_effective_target_riscv_v]) }}]
> +		 && [check_effective_target_riscv_v])
> +	     || ([istarget loongarch*-*-*]
> +		 && [check_effective_target_loongarch_sx]) }}]
>   }
>   
>   
> @@ -4312,7 +4326,9 @@ proc check_effective_target_vect_floatint_cvt { } {
>   	     || ([istarget s390*-*-*]
>   		 && [check_effective_target_s390_vxe2])
>   	     || ([istarget riscv*-*-*]
> -		 && [check_effective_target_riscv_v]) }}]
> +		 && [check_effective_target_riscv_v])
> +	     || ([istarget loongarch*-*-*]
> +		 && [check_effective_target_loongarch_sx]) }}]
>   }
>   
>   # Return 1 if the target supports unsigned float->int conversion
> @@ -4329,7 +4345,9 @@ proc check_effective_target_vect_floatuint_cvt { } {
>   	    || ([istarget s390*-*-*]
>   		&& [check_effective_target_s390_vxe2])
>   	    || ([istarget riscv*-*-*]
> -		&& [check_effective_target_riscv_v]) }}]
> +		&& [check_effective_target_riscv_v])
> +	    || ([istarget loongarch*-*-*]
> +	        && [check_effective_target_loongarch_sx]) }}]
>   }
>   
>   # Return 1 if the target supports vector integer char -> long long extend optab
> @@ -4338,7 +4356,9 @@ proc check_effective_target_vect_floatuint_cvt { } {
>   proc check_effective_target_vect_ext_char_longlong { } {
>       return [check_cached_effective_target_indexed vect_ext_char_longlong {
>         expr { ([istarget riscv*-*-*]
> -	      && [check_effective_target_riscv_v]) }}]
> +	      && [check_effective_target_riscv_v])
> +             || ([istarget loongarch*-*-*]
> +	      && [check_effective_target_loongarch_sx]) }}]
>   }
>   
>   # Return 1 if peeling for alignment might be profitable on the target
> @@ -7462,7 +7482,9 @@ proc check_effective_target_vect_shift { } {
>   		 && [check_effective_target_s390_vx])
>   	     || [istarget amdgcn-*-*]
>   	     || ([istarget riscv*-*-*]
> -		 && [check_effective_target_riscv_v]) }}]
> +		 && [check_effective_target_riscv_v])
> +	     || ([istarget loongarch*-*-*]
> +		 && [check_effective_target_loongarch_sx]) }}]
>   }
>   
>   # Return 1 if the target supports hardware vector shift by register operation.
> @@ -7474,6 +7496,8 @@ proc check_effective_target_vect_var_shift { } {
>   	    || [istarget aarch64*-*-*]
>   	    || ([istarget riscv*-*-*]
>   		&& [check_effective_target_riscv_v])
> +	    || ([istarget loongarch*-*-*]
> +		&& [check_effective_target_loongarch_sx])
>         }}]
>   }
>   
> @@ -7490,7 +7514,9 @@ proc check_effective_target_whole_vector_shift { } {
>   	     && [check_effective_target_s390_vx])
>   	 || [istarget amdgcn-*-*]
>   	 || ([istarget riscv*-*-*]
> -	     && [check_effective_target_riscv_v]) } {
> +	     && [check_effective_target_riscv_v])
> +	 || ([istarget loongarch*-*-*]
> +	     && [check_effective_target_loongarch_sx]) } {
>   	set answer 1
>       } else {
>   	set answer 0
> @@ -7507,6 +7533,7 @@ proc check_effective_target_vect_bswap { } {
>         expr { ([istarget aarch64*-*-*]
>   	      || [is-effective-target arm_neon]
>   	      || [istarget amdgcn-*-*])
> +	      || [istarget loongarch*-*-*]
>   	     || ([istarget s390*-*-*]
>   		 && [check_effective_target_s390_vx]) }}]
>   }
> @@ -7520,7 +7547,9 @@ proc check_effective_target_vect_bool_cmp { } {
>   	     || [istarget aarch64*-*-*]
>   	     || [is-effective-target arm_neon]
>   	     || ([istarget riscv*-*-*]
> -		 && [check_effective_target_riscv_v]) }}]
> +		 && [check_effective_target_riscv_v])
> +	     || ([istarget loongarch*-*-*]
> +		 && [check_effective_target_loongarch_sx]) }}]
>   }
>   
>   # Return 1 if the target supports addition of char vectors for at least
> @@ -7543,6 +7572,8 @@ proc check_effective_target_vect_char_add { } {
>   	     && [check_effective_target_s390_vx])
>   	 || ([istarget riscv*-*-*]
>   	     && [check_effective_target_riscv_v])
> +	 || ([istarget loongarch*-*-*]
> +	     && [check_effective_target_loongarch_sx])
>   	}}]
>   }
>   
> @@ -7559,7 +7590,9 @@ proc check_effective_target_vect_shift_char { } {
>   		 && [check_effective_target_s390_vx])
>   	     || [istarget amdgcn-*-*]
>   	     || ([istarget riscv*-*-*]
> -		 && [check_effective_target_riscv_v]) }}]
> +		 && [check_effective_target_riscv_v])
> +	     || ([istarget loongarch*-*-*]
> +		 && [check_effective_target_loongarch_sx]) }}]
>   }
>   
>   # Return 1 if the target supports hardware vectors of long, 0 otherwise.
> @@ -7580,7 +7613,9 @@ proc check_effective_target_vect_long { } {
>   	     && [check_effective_target_s390_vx])
>   	 || [istarget amdgcn-*-*]
>   	 || ([istarget riscv*-*-*]
> -	     && [check_effective_target_riscv_v]) } {
> +	     && [check_effective_target_riscv_v])
> +	 || ([istarget loongarch*-*-*]
> +	     && [check_effective_target_loongarch_sx]) } {
>   	set answer 1
>       } else {
>   	set answer 0
> @@ -7610,7 +7645,9 @@ proc check_effective_target_vect_float { } {
>   		 && [check_effective_target_s390_vxe])
>   	     || [istarget amdgcn-*-*]
>   	     || ([istarget riscv*-*-*]
> -		 && [check_effective_target_riscv_v]) }}]
> +		 && [check_effective_target_riscv_v])
> +	     || ([istarget loongarch*-*-*]
> +		 && [check_effective_target_loongarch_sx]) }}]
>   }
>   
>   # Return 1 if the target supports hardware vectors of float without
> @@ -7641,7 +7678,9 @@ proc check_effective_target_vect_double { } {
>   		 && [check_effective_target_s390_vx])
>   	     || [istarget amdgcn-*-*]
>   	     || ([istarget riscv*-*-*]
> -		 && [check_effective_target_riscv_v])} }]
> +		 && [check_effective_target_riscv_v])
> +	     || ([istarget loongarch*-*-*]
> +		 && [check_effective_target_loongarch_sx]) }}]
>   }
>   
>   # Return 1 if the target supports conditional addition, subtraction,
> @@ -7669,7 +7708,9 @@ proc check_effective_target_vect_long_long { } {
>   		 && [check_effective_target_has_arch_pwr8])
>   	     || [istarget aarch64*-*-*]
>   	     || ([istarget riscv*-*-*]
> -		 && [check_effective_target_riscv_v])}}]
> +		 && [check_effective_target_riscv_v])
> +	     || ([istarget loongarch*-*-*]
> +		 && [check_effective_target_loongarch_sx])}}]
>   }
>   
>   
> @@ -7724,7 +7765,9 @@ proc check_effective_target_vect_perm { } {
>   		 && [check_effective_target_s390_vx])
>   	     || [istarget amdgcn-*-*]
>   	     || ([istarget riscv*-*-*]
> -		 && [check_effective_target_riscv_v]) }}]
> +		 && [check_effective_target_riscv_v])
> +	     || ([istarget loongarch*-*-*]
> +		 && [check_effective_target_loongarch_sx]) }}]
>   }
>   
>   # Return 1 if, for some VF:
> @@ -7819,7 +7862,9 @@ proc check_effective_target_vect_perm_byte { } {
>   		 && [check_effective_target_s390_vx])
>   	     || [istarget amdgcn-*-*]
>   	     || ([istarget riscv*-*-*]
> -		 && [check_effective_target_riscv_v]) }}]
> +		 && [check_effective_target_riscv_v])
> +	     || ([istarget loongarch*-*-*]
> +		 && [check_effective_target_loongarch_sx]) }}]
>   }
>   
>   # Return 1 if the target supports SLP permutation of 3 vectors when each
> @@ -7850,7 +7895,9 @@ proc check_effective_target_vect_perm_short { } {
>   		 && [check_effective_target_s390_vx])
>   	     || [istarget amdgcn-*-*]
>   	     || ([istarget riscv*-*-*]
> -		 && [check_effective_target_riscv_v]) }}]
> +		 && [check_effective_target_riscv_v])
> +	     || ([istarget loongarch*-*-*]
> +		 && [check_effective_target_loongarch_sx]) }}]
>   }
>   
>   # Return 1 if the target supports SLP permutation of 3 vectors when each
> @@ -7898,6 +7945,7 @@ proc check_effective_target_vect_widen_sum_hi_to_si { } {
>         expr { [check_effective_target_vect_unpack]
>                || [istarget powerpc*-*-*]
>   	     || [istarget ia64-*-*]
> +	     || [istarget loongarch*-*-*]
>   	     || [istarget riscv*-*-*] }}]
>   }
>   
> @@ -7913,7 +7961,8 @@ proc check_effective_target_vect_widen_sum_qi_to_hi { } {
>         expr { [check_effective_target_vect_unpack]
>   	     || [is-effective-target arm_neon]
>   	     || [istarget ia64-*-*]
> -	     || [istarget riscv*-*-*] }}]
> +	     || [istarget riscv*-*-*]
> +	     || [istarget loongarch*-*-*] }}]
>   }
>   
>   # Return 1 if the target plus current options supports a vector
> @@ -7924,6 +7973,7 @@ proc check_effective_target_vect_widen_sum_qi_to_hi { } {
>   proc check_effective_target_vect_widen_sum_qi_to_si { } {
>       return [check_cached_effective_target_indexed vect_widen_sum_qi_to_si {
>         expr { [istarget powerpc*-*-*]
> +	     || [istarget loongarch*-*-*]
>   	     || [istarget riscv*-*-*] }}]
>   }
>   
> @@ -7944,6 +7994,7 @@ proc check_effective_target_vect_widen_mult_qi_to_hi { } {
>   		  || ([istarget aarch64*-*-*]
>   		      && ![check_effective_target_aarch64_sve])
>   		  || [is-effective-target arm_neon]
> +		  || [is-effective-target loongarch*-*-*]
>   		  || ([istarget s390*-*-*]
>   		      && [check_effective_target_s390_vx]))
>   	      || [istarget amdgcn-*-*] }}]
> @@ -7968,6 +8019,7 @@ proc check_effective_target_vect_widen_mult_hi_to_si { } {
>   		     && ![check_effective_target_aarch64_sve])
>   		 || [istarget i?86-*-*] || [istarget x86_64-*-*]
>   		 || [is-effective-target arm_neon]
> +		 || [is-effective-target loongarch*-*-*]
>   		 || ([istarget s390*-*-*]
>   		     && [check_effective_target_s390_vx]))
>   	     || [istarget amdgcn-*-*] }}]
> @@ -7985,6 +8037,7 @@ proc check_effective_target_vect_widen_mult_qi_to_hi_pattern { } {
>   		 && [check_effective_target_arm_little_endian])
>   	     || ([istarget s390*-*-*]
>   		 && [check_effective_target_s390_vx])
> +	     || [istarget loongarch*-*-*]
>   	     || [istarget amdgcn-*-*] }}]
>   }
>   
> @@ -7997,6 +8050,7 @@ proc check_effective_target_vect_widen_mult_hi_to_si_pattern { } {
>       return [check_cached_effective_target_indexed vect_widen_mult_hi_to_si_pattern {
>         expr { [istarget powerpc*-*-*]
>   	     || [istarget ia64-*-*]
> +	     || [istarget loongarch*-*-*]
>   	     || [istarget i?86-*-*] || [istarget x86_64-*-*]
>   	     || ([is-effective-target arm_neon]
>   		 && [check_effective_target_arm_little_endian])
> @@ -8014,6 +8068,7 @@ proc check_effective_target_vect_widen_mult_si_to_di_pattern { } {
>       return [check_cached_effective_target_indexed vect_widen_mult_si_to_di_pattern {
>         expr { [istarget ia64-*-*]
>   	     || [istarget i?86-*-*] || [istarget x86_64-*-*]
> +	     || [istarget loongarch*-*-*]
>   	     || ([istarget s390*-*-*]
>   		 && [check_effective_target_s390_vx]) }}]
>   }
> @@ -8041,7 +8096,9 @@ proc check_effective_target_vect_sdot_qi { } {
>   	     || ([istarget mips*-*-*]
>   		 && [et-is-effective-target mips_msa])
>   	     || ([istarget riscv*-*-*]
> -		 && [check_effective_target_riscv_v]) }}]
> +		 && [check_effective_target_riscv_v])
> +	     || ([istarget loongarch*-*-*]
> +		 && [check_effective_target_loongarch_sx]) }}]
>   }
>   
>   # Return 1 if the target plus current options supports a vector
> @@ -8058,7 +8115,9 @@ proc check_effective_target_vect_udot_qi { } {
>   	     || ([istarget mips*-*-*]
>   		 && [et-is-effective-target mips_msa])
>   	     || ([istarget riscv*-*-*]
> -		 && [check_effective_target_riscv_v]) }}]
> +		 && [check_effective_target_riscv_v])
> +	     || ([istarget loongarch*-*-*]
> +		 && [check_effective_target_loongarch_sx]) }}]
>   }
>   
>   # Return 1 if the target plus current options supports a vector
> @@ -8087,7 +8146,9 @@ proc check_effective_target_vect_sdot_hi { } {
>   	     || ([istarget mips*-*-*]
>   		 && [et-is-effective-target mips_msa])
>   	     || ([istarget riscv*-*-*]
> -		 && [check_effective_target_riscv_v]) }}]
> +		 && [check_effective_target_riscv_v])
> +	     || ([istarget loongarch*-*-*]
> +		 && [check_effective_target_loongarch_sx]) }}]
>   }
>   
>   # Return 1 if the target plus current options supports a vector
> @@ -8101,7 +8162,9 @@ proc check_effective_target_vect_udot_hi { } {
>   	     || ([istarget mips*-*-*]
>   		 && [et-is-effective-target mips_msa])
>   	     || ([istarget riscv*-*-*]
> -		 && [check_effective_target_riscv_v]) }}]
> +		 && [check_effective_target_riscv_v])
> +	     || ([istarget loongarch*-*-*]
> +		 && [check_effective_target_loongarch_sx]) }}]
>   }
>   
>   # Return 1 if the target plus current options supports a vector
> @@ -8118,7 +8181,9 @@ proc check_effective_target_vect_usad_char { } {
>   	      || ([istarget powerpc*-*-*]
>   		  && [check_p9vector_hw_available])
>   	      || ([istarget riscv*-*-*]
> -		  && [check_effective_target_riscv_v]) }}]
> +		  && [check_effective_target_riscv_v])
> +	      || ([istarget loongarch*-*-*]
> +		  && [check_effective_target_loongarch_sx]) }}]
>   }
>   
>   # Return 1 if the target plus current options supports both signed
> @@ -8128,7 +8193,9 @@ proc check_effective_target_vect_avg_qi {} {
>       return [expr { ([istarget aarch64*-*-*]
>   		    && ![check_effective_target_aarch64_sve1_only])
>   		   || ([istarget riscv*-*-*]
> -		       && [check_effective_target_riscv_v]) }]
> +		       && [check_effective_target_riscv_v])
> +		   || ([istarget loongarch*-*-*]
> +		       && [check_effective_target_loongarch_sx]) }]
>   }
>   
>   # Return 1 if the target plus current options supports both signed
> @@ -8167,7 +8234,9 @@ proc check_effective_target_vect_pack_trunc { } {
>   		 && [check_effective_target_s390_vx])
>                || [istarget amdgcn*-*-*]
>   	     || ([istarget riscv*-*-*]
> -		 && [check_effective_target_riscv_v]) }}]
> +		 && [check_effective_target_riscv_v])
> +	     || ([istarget loongarch*-*-*]
> +		 && [check_effective_target_loongarch_sx]) }}]
>   }
>   
>   # Return 1 if the target plus current options supports a vector
> @@ -8189,7 +8258,9 @@ proc check_effective_target_vect_unpack { } {
>   		 && [check_effective_target_s390_vx])
>   	     || [istarget amdgcn*-*-*]
>   	     || ([istarget riscv*-*-*]
> -		 && [check_effective_target_riscv_v]) }}]
> +		 && [check_effective_target_riscv_v])
> +	     || ([istarget loongarch*-*-*]
> +		 && [check_effective_target_loongarch_sx]) }}]
>   }
>   
>   # Return 1 if the target plus current options does not guarantee
> @@ -8230,7 +8301,8 @@ proc check_effective_target_vect_hw_misalign { } {
>   	     || ([istarget mips*-*-*] && [et-is-effective-target mips_msa])
>   	     || ([istarget s390*-*-*]
>   		 && [check_effective_target_s390_vx])
> -	     || ([istarget riscv*-*-*]) } {
> +	     || ([istarget riscv*-*-*])
> +	     || ([istarget loongarch*-*-*]) } {
>   	  return 1
>   	}
>   	if { [istarget arm*-*-*]
> @@ -8849,7 +8921,8 @@ proc check_effective_target_vect_gather_load_ifn { } {
>   proc check_effective_target_vect_scatter_store { } {
>       return [expr { [check_effective_target_aarch64_sve]
>   		   || [istarget amdgcn*-*-*]
> -		   || [check_effective_target_riscv_v] }]
> +		   || [check_effective_target_riscv_v]
> +		   || [check_effective_target_loongarch_sx] }]
>   }
>   
>   # Return 1 if the target supports vector conditional operations, 0 otherwise.
> @@ -8868,7 +8941,9 @@ proc check_effective_target_vect_condition { } {
>   		 && [check_effective_target_s390_vx])
>   	     || [istarget amdgcn-*-*]
>   	     || ([istarget riscv*-*-*]
> -		 && [check_effective_target_riscv_v]) }}]
> +		 && [check_effective_target_riscv_v])
> +	     || ([istarget loongarch*-*-*]
> +		 && [check_effective_target_loongarch_sx]) }}]
>   }
>   
>   # Return 1 if the target supports vector conditional operations where
> @@ -8887,7 +8962,9 @@ proc check_effective_target_vect_cond_mixed { } {
>   		 && [check_effective_target_s390_vx])
>   	     || [istarget amdgcn-*-*]
>   	     || ([istarget riscv*-*-*]
> -		 && [check_effective_target_riscv_v]) }}]
> +		 && [check_effective_target_riscv_v])
> +	     || ([istarget loongarch*-*-*]
> +		 && [check_effective_target_loongarch_sx]) }}]
>   }
>   
>   # Return 1 if the target supports vector char multiplication, 0 otherwise.
> @@ -8905,7 +8982,9 @@ proc check_effective_target_vect_char_mult { } {
>   		 && [check_effective_target_s390_vx])
>   	     || [istarget amdgcn-*-*]
>   	     || ([istarget riscv*-*-*]
> -		 && [check_effective_target_riscv_v]) }}]
> +		 && [check_effective_target_riscv_v])
> +	     || ([istarget loongarch*-*-*]
> +		 && [check_effective_target_loongarch_sx]) }}]
>   }
>   
>   # Return 1 if the target supports vector short multiplication, 0 otherwise.
> @@ -8924,7 +9003,9 @@ proc check_effective_target_vect_short_mult { } {
>   		 && [check_effective_target_s390_vx])
>   	     || [istarget amdgcn-*-*]
>   	     || ([istarget riscv*-*-*]
> -		 && [check_effective_target_riscv_v]) }}]
> +		 && [check_effective_target_riscv_v])
> +	     || ([istarget loongarch*-*-*]
> +		 && [check_effective_target_loongarch_sx]) }}]
>   }
>   
>   # Return 1 if the target supports vector int multiplication, 0 otherwise.
> @@ -8942,7 +9023,9 @@ proc check_effective_target_vect_int_mult { } {
>   		 && [check_effective_target_s390_vx])
>   	     || [istarget amdgcn-*-*]
>   	     || ([istarget riscv*-*-*]
> -		 && [check_effective_target_riscv_v]) }}]
> +		 && [check_effective_target_riscv_v])
> +	     || ([istarget loongarch*-*-*]
> +		 && [check_effective_target_loongarch_sx]) }}]
>   }
>   
>   # Return 1 if the target supports 64 bit hardware vector
> @@ -8961,7 +9044,9 @@ proc check_effective_target_vect_long_mult { } {
>   	 || ([istarget mips*-*-*]
>   	      && [et-is-effective-target mips_msa])
>   	 || ([istarget riscv*-*-*]
> -	      && [check_effective_target_riscv_v]) } {
> +	      && [check_effective_target_riscv_v])
> +	 || ([istarget loongarch*-*-*]
> +	      && [check_effective_target_loongarch_sx]) } {
>   	set answer 1
>       } else {
>   	set answer 0
> @@ -8999,7 +9084,9 @@ proc check_effective_target_vect_extract_even_odd { } {
>   	     || ([istarget s390*-*-*]
>   		 && [check_effective_target_s390_vx])
>                || ([istarget riscv*-*-*]
> -		 && [check_effective_target_riscv_v]) }}]
> +		 && [check_effective_target_riscv_v])
> +             || ([istarget loongarch*-*-*]
> +		 && [check_effective_target_loongarch_sx]) }}]
>   }
>   
>   # Return 1 if the target supports vector interleaving, 0 otherwise.
> @@ -9017,7 +9104,9 @@ proc check_effective_target_vect_interleave { } {
>   	     || ([istarget s390*-*-*]
>   		 && [check_effective_target_s390_vx])
>   	     || ([istarget riscv*-*-*]
> -		 && [check_effective_target_riscv_v]) }}]
> +		 && [check_effective_target_riscv_v])
> +	     || ([istarget loongarch*-*-*]
> +		 && [check_effective_target_loongarch_sx]) }}]
>   }
>   
>   foreach N {2 3 4 5 6 7 8} {
> @@ -9142,7 +9231,9 @@ proc check_effective_target_vect_call_copysignf { } {
>   	     || [istarget aarch64*-*-*]
>                || [istarget amdgcn-*-*]
>   	     || ([istarget riscv*-*-*]
> -		 && [check_effective_target_riscv_v]) }}]
> +		 && [check_effective_target_riscv_v])
> +	     || ([istarget loongarch*-*-*]
> +		 && [check_effective_target_loongarch_sx]) }}]
>   }
>   
>   # Return 1 if the target supports hardware square root instructions.
> @@ -9181,7 +9272,9 @@ proc check_effective_target_vect_call_sqrtf { } {
>   		 && [check_effective_target_s390_vx])
>                || [istarget amdgcn-*-*]
>   	     || ([istarget riscv*-*-*]
> -		 && [check_effective_target_riscv_v]) }}]
> +		 && [check_effective_target_riscv_v])
> +	     || ([istarget loongarch*-*-*]
> +		 && [check_effective_target_loongarch_sx]) }}]
>   }
>   
>   # Return 1 if the target supports vector lrint calls.
> @@ -9190,7 +9283,8 @@ proc check_effective_target_vect_call_lrint { } {
>       set et_vect_call_lrint 0
>       if { (([istarget i?86-*-*] || [istarget x86_64-*-*])
>   	  && [check_effective_target_ilp32])
> -	 || [istarget amdgcn-*-*] } {
> +	 || [istarget amdgcn-*-*]
> +	 || [istarget loongarch*-*-*] } {
>   	set et_vect_call_lrint 1
>       }
>   
> @@ -9203,7 +9297,8 @@ proc check_effective_target_vect_call_lrint { } {
>   proc check_effective_target_vect_call_btrunc { } {
>       return [check_cached_effective_target_indexed vect_call_btrunc {
>         expr { [istarget aarch64*-*-*]
> -	     || [istarget amdgcn-*-*] }}]
> +	     || [istarget amdgcn-*-*]
> +	     || [istarget loongarch*-*-*] }}]
>   }
>   
>   # Return 1 if the target supports vector btruncf calls.
> @@ -9211,7 +9306,8 @@ proc check_effective_target_vect_call_btrunc { } {
>   proc check_effective_target_vect_call_btruncf { } {
>       return [check_cached_effective_target_indexed vect_call_btruncf {
>         expr { [istarget aarch64*-*-*]
> -	     || [istarget amdgcn-*-*] }}]
> +	     || [istarget amdgcn-*-*]
> +	     || [istarget loongarch*-*-*] }}]
>   }
>   
>   # Return 1 if the target supports vector ceil calls.
> @@ -9219,7 +9315,8 @@ proc check_effective_target_vect_call_btruncf { } {
>   proc check_effective_target_vect_call_ceil { } {
>       return [check_cached_effective_target_indexed vect_call_ceil {
>         expr { [istarget aarch64*-*-*]
> -	     || [istarget amdgcn-*-*] }}]
> +	     || [istarget amdgcn-*-*]
> +	     || [istarget loongarch*-*-*] }}]
>   }
>   
>   # Return 1 if the target supports vector ceilf calls.
> @@ -9227,7 +9324,8 @@ proc check_effective_target_vect_call_ceil { } {
>   proc check_effective_target_vect_call_ceilf { } {
>       return [check_cached_effective_target_indexed vect_call_ceilf {
>         expr { [istarget aarch64*-*-*]
> -	     || [istarget amdgcn-*-*] }}]
> +	     || [istarget amdgcn-*-*]
> +	     || [istarget loongarch*-*-*] }}]
>   }
>   
>   # Return 1 if the target supports vector floor calls.
> @@ -9235,7 +9333,8 @@ proc check_effective_target_vect_call_ceilf { } {
>   proc check_effective_target_vect_call_floor { } {
>       return [check_cached_effective_target_indexed vect_call_floor {
>         expr { [istarget aarch64*-*-*]
> -	     || [istarget amdgcn-*-*] }}]
> +	     || [istarget amdgcn-*-*]
> +	     || [istarget loongarch*-*-*] }}]
>   }
>   
>   # Return 1 if the target supports vector floorf calls.
> @@ -9243,21 +9342,24 @@ proc check_effective_target_vect_call_floor { } {
>   proc check_effective_target_vect_call_floorf { } {
>       return [check_cached_effective_target_indexed vect_call_floorf {
>         expr { [istarget aarch64*-*-*]
> -	     || [istarget amdgcn-*-*] }}]
> +	     || [istarget amdgcn-*-*]
> +	     || [istarget loongarch*-*-*] }}]
>   }
>   
>   # Return 1 if the target supports vector lceil calls.
>   
>   proc check_effective_target_vect_call_lceil { } {
>       return [check_cached_effective_target_indexed vect_call_lceil {
> -      expr { [istarget aarch64*-*-*] }}]
> +      expr { [istarget aarch64*-*-*]
> +             || [istarget loongarch*-*-*] }}]
>   }
>   
>   # Return 1 if the target supports vector lfloor calls.
>   
>   proc check_effective_target_vect_call_lfloor { } {
>       return [check_cached_effective_target_indexed vect_call_lfloor {
> -      expr { [istarget aarch64*-*-*] }}]
> +      expr { [istarget aarch64*-*-*]
> +             || [istarget loongarch*-*-*] }}]
>   }
>   
>   # Return 1 if the target supports vector nearbyint calls.
> @@ -9294,6 +9396,7 @@ proc check_effective_target_vect_logical_reduc { } {
>       return [expr { [check_effective_target_aarch64_sve]
>   	           || [istarget amdgcn-*-*]
>   		   || [check_effective_target_riscv_v]
> +		   || [check_effective_target_loongarch_sx]
>   		   || [istarget i?86-*-*] || [istarget x86_64-*-*]}]
>   }
>   
> @@ -9311,7 +9414,8 @@ proc check_effective_target_section_anchors { } {
>       return [check_cached_effective_target section_anchors {
>         expr { [istarget powerpc*-*-*]
>   	     || [istarget arm*-*-*]
> -	     || [istarget aarch64*-*-*] }}]
> +	     || [istarget aarch64*-*-*]
> +	     || [istarget loongarch*-*-*] }}]
>   }
>   
>   # Return 1 if the target supports atomic operations on "int_128" values.
> @@ -11623,8 +11727,10 @@ proc check_vect_support_and_set_flags { } {
>   	    set dg-do-what-default compile
>   	}
>       } elseif [istarget loongarch*-*-*] {
> -      lappend DEFAULT_VECTCFLAGS "-mdouble-float" "-mlasx"
> -      if [check_effective_target_loongarch_asx_hw] {
> +      # Set the default vectorization option to "-mlsx" due to the problem
> +      # of non-aligned memory access when using 256-bit vectorization.
> +      lappend DEFAULT_VECTCFLAGS "-mdouble-float" "-mlsx"
> +      if [check_effective_target_loongarch_sx_hw] {
>   	  set dg-do-what-default run
>         } else {
>   	  set dg-do-what-default compile
> @@ -12190,7 +12296,8 @@ proc check_effective_target_builtin_eh_return { } {
>   
>   proc check_effective_target_vect_max_reduc { } {
>       if { [istarget aarch64*-*-*] || [is-effective-target arm_neon]
> -	  || [check_effective_target_riscv_v] } {
> +	  || [check_effective_target_riscv_v]
> +	  || [check_effective_target_loongarch_sx] } {
>   	return 1
>       }
>       return 0
> @@ -13205,7 +13312,7 @@ proc check_effective_target_loongarch_sx { } {
>          #if !defined(__loongarch_sx)
>          #error "LSX not defined"
>          #endif
> -    }]
> +    } "-mlsx"]
>   }
>   
>   proc check_effective_target_loongarch_sx_hw { } {
> @@ -13225,7 +13332,7 @@ proc check_effective_target_loongarch_asx { } {
>          #if !defined(__loongarch_asx)
>          #error "LASX not defined"
>          #endif
> -    }]
> +    } "-mlasx"]
>   }
>   
>   proc check_effective_target_loongarch_asx_hw { } {
  

gcc: gcc.dg/vect/vect-outer-4a-big-array.c -flto -ffat-lto-objects: error executing dg-final: unknown effective target keyword `loongarch*-*-*'
gcc: gcc.dg/vect/vect-outer-4a-big-array.c: error executing dg-final: unknown effective target keyword `loongarch*-*-*'
gcc: gcc.dg/vect/vect-outer-4a.c -flto -ffat-lto-objects: error executing dg-final: unknown effective target keyword `loongarch*-*-*'
gcc: gcc.dg/vect/vect-outer-4a.c: error executing dg-final: unknown effective target keyword `loongarch*-*-*'
gcc: gcc.dg/vect/vect-outer-4b-big-array.c -flto -ffat-lto-objects: error executing dg-final: unknown effective target keyword `loongarch*-*-*'
gcc: gcc.dg/vect/vect-outer-4b-big-array.c: error executing dg-final: unknown effective target keyword `loongarch*-*-*'
gcc: gcc.dg/vect/vect-outer-4b.c -flto -ffat-lto-objects: error executing dg-final: unknown effective target keyword `loongarch*-*-*'
gcc: gcc.dg/vect/vect-outer-4b.c: error executing dg-final: unknown effective target keyword `loongarch*-*-*'
  

在 2024/1/10 上午3:51, Andreas Schwab 写道:
> gcc: gcc.dg/vect/vect-outer-4a-big-array.c -flto -ffat-lto-objects: error executing dg-final: unknown effective target keyword `loongarch*-*-*'
> gcc: gcc.dg/vect/vect-outer-4a-big-array.c: error executing dg-final: unknown effective target keyword `loongarch*-*-*'
> gcc: gcc.dg/vect/vect-outer-4a.c -flto -ffat-lto-objects: error executing dg-final: unknown effective target keyword `loongarch*-*-*'
> gcc: gcc.dg/vect/vect-outer-4a.c: error executing dg-final: unknown effective target keyword `loongarch*-*-*'
> gcc: gcc.dg/vect/vect-outer-4b-big-array.c -flto -ffat-lto-objects: error executing dg-final: unknown effective target keyword `loongarch*-*-*'
> gcc: gcc.dg/vect/vect-outer-4b-big-array.c: error executing dg-final: unknown effective target keyword `loongarch*-*-*'
> gcc: gcc.dg/vect/vect-outer-4b.c -flto -ffat-lto-objects: error executing dg-final: unknown effective target keyword `loongarch*-*-*'
> gcc: gcc.dg/vect/vect-outer-4b.c: error executing dg-final: unknown effective target keyword `loongarch*-*-*'
>
Sorry, we'll fix it as soon as possible.