[llvm] [RISCV] Add AltFmtType = IS_NOT_ALTFMT to SF_VFNRCLIP_X(U)_F_QF. (PR #164759)

[via llvm-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-backend-risc-v

Author: Craig Topper (topperc)

<details>
<summary>Changes</summary>

These instructions are FP instructions with SEW=8. vtype.altfmt=1 should be considered reserved for them.

---
Full diff: https://github.com/llvm/llvm-project/pull/164759.diff


1 Files Affected:

- (modified) llvm/lib/Target/RISCV/RISCVInstrInfoXSf.td (+1-1) 


``````````diff
diff --git a/llvm/lib/Target/RISCV/RISCVInstrInfoXSf.td b/llvm/lib/Target/RISCV/RISCVInstrInfoXSf.td
index 4104abd3b0219..4c2f7f6424f63 100644
--- a/llvm/lib/Target/RISCV/RISCVInstrInfoXSf.td
+++ b/llvm/lib/Target/RISCV/RISCVInstrInfoXSf.td
@@ -482,7 +482,7 @@ let Predicates = [HasVendorXSfvfwmaccqqq] in {
   defm SF_VFWMACC_4x4x4 : VPseudoSiFiveVFWMACC;
 }
 
-let Predicates = [HasVendorXSfvfnrclipxfqf] in {
+let Predicates = [HasVendorXSfvfnrclipxfqf], AltFmtType = IS_NOT_ALTFMT in {
   defm SF_VFNRCLIP_XU_F_QF : VPseudoSiFiveVFNRCLIP;
   defm SF_VFNRCLIP_X_F_QF : VPseudoSiFiveVFNRCLIP;
 }

``````````

</details>


https://github.com/llvm/llvm-project/pull/164759