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RISC-V: output Autovec params explicitly in --help ...

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... otherwise user has no clue what -param to actually change

gcc/ChangeLog:
	* config/riscv/riscv.opt: Add --param names
	riscv-autovec-preference and riscv-autovec-lmul

Signed-off-by: Vineet Gupta <vineetg@rivosinc.com>
This commit is contained in:
Vineet Gupta 2023-08-22 10:32:12 -07:00
parent 47f95bc4be
commit 3571cc9351
1 changed files with 2 additions and 2 deletions
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4
gcc/config/riscv/riscv.opt
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@ -277,7 +277,7 @@ Always inline subword atomic operations.
Enum
Name(riscv_autovec_preference) Type(enum riscv_autovec_preference_enum)
The RISC-V auto-vectorization preference:
Valid arguments to -param=riscv-autovec-preference=:
EnumValue
Enum(riscv_autovec_preference) String(none) Value(NO_AUTOVEC)
@ -294,7 +294,7 @@ Target RejectNegative Joined Enum(riscv_autovec_preference) Var(riscv_autovec_pr
Enum
Name(riscv_autovec_lmul) Type(enum riscv_autovec_lmul_enum)
The RVV possible LMUL:
The RVV possible LMUL (-param=riscv-autovec-lmul=):
EnumValue
Enum(riscv_autovec_lmul) String(m1) Value(RVV_M1)