[llvm] [MIPS] Fix -msingle-float doesn't work with double on O32 (PR #107543)

[Matt Arsenault via llvm-commits]

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@@ -1,8 +1,18 @@
-; RUN: llc -march=mips -mattr=single-float  < %s | FileCheck %s
+; RUN: llc -march=mips -mcpu=mips32 -mattr=single-float -O2 < %s | FileCheck %s
+; RUN: llc -march=mips -mcpu=mips32r2 -mattr=single-float -O2 < %s | FileCheck %s
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arsenm wrote:

Don't need -O2. The mattr is also missing +, and -march should be mtriple 

https://github.com/llvm/llvm-project/pull/107543