[clang] [RISCV][FMV] Remove support for negative priority (PR #112161)

[Piyou Chen via cfe-commits]

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@@ -111,3 +111,9 @@ __attribute__((target_version("default"))) int invalidVerson4(void) { return 2;
 __attribute__((target_version("priority=1"))) int prioriyWithoutArch(void) { return 2; }
 // expected-error at +1 {{redefinition of 'prioriyWithoutArch'}}
 __attribute__((target_version("default"))) int prioriyWithoutArch(void) { return 2; }
+
+// expected-warning at +2 {{unsupported '-1' in the 'target_version' attribute string; 'target_version' attribute ignored}}
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BeMg wrote:

I plan to create another PR to make the warning messages consistent.


https://github.com/llvm/llvm-project/pull/112161