[llvm] [RISCV] Merge some of the C_*_HINT instruction into the regular C_* instructions. (PR #150710)

[Sam Elliott via llvm-commits]

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@@ -51,11 +51,11 @@ c.andi a0, %lo(foo) # CHECK: :[[@LINE]]:12: error: immediate must be an integer
 c.andi a0, %hi(foo) # CHECK: :[[@LINE]]:12: error: immediate must be an integer in the range [-32, 31]
 
 ## simm6nonzero
-c.addi t0, -33 # CHECK: :[[@LINE]]:12: error: immediate must be non-zero in the range [-32, 31]
-c.addi t0, 32 # CHECK: :[[@LINE]]:12: error: immediate must be non-zero in the range [-32, 31]
-c.addi t0, foo # CHECK: :[[@LINE]]:12: error: immediate must be non-zero in the range [-32, 31]
-c.addi t0, %lo(foo) # CHECK: :[[@LINE]]:12: error: immediate must be non-zero in the range [-32, 31]
-c.addi t0, %hi(foo) # CHECK: :[[@LINE]]:12: error: immediate must be non-zero in the range [-32, 31]
+c.addi t0, -33 # CHECK: :[[@LINE]]:12: error: immediate must be an integer in the range [-32, 31]
+c.addi t0, 32 # CHECK: :[[@LINE]]:12: error: immediate must be an integer in the range [-32, 31]
+c.addi t0, foo # CHECK: :[[@LINE]]:12: error: immediate must be an integer in the range [-32, 31]
+c.addi t0, %lo(foo) # CHECK: :[[@LINE]]:12: error: immediate must be an integer in the range [-32, 31]
+c.addi t0, %hi(foo) # CHECK: :[[@LINE]]:12: error: immediate must be an integer in the range [-32, 31]
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lenary wrote:

Can you find a different instruction using `simm6nonzero`, and maybe put these in a different section marked `simm6`?

https://github.com/llvm/llvm-project/pull/150710