[RISCV] Add missing Zvl dependencies for XSfvqmaccdod/XSfvqmaccqoq/XSfvfwmaccqqq. (llvm#150346)

These have an LMUL=1 operand that must have a multiple of 16 or 32
elements in it. This places a lower bound on the VLEN.

Author: topperc

llvm/lib/Target/RISCV/RISCVFeatures.td

@@ -1272,7 +1272,7 @@ def FeatureVendorXSfmm128t
 def FeatureVendorXSfvqmaccdod
     : RISCVExtension<1, 0,
                      "SiFive Int8 Matrix Multiplication Instructions (2-by-8 and 8-by-2)",
-                     [FeatureStdExtZve32x]>;
+                     [FeatureStdExtZve32x, FeatureStdExtZvl128b]>;
 def HasVendorXSfvqmaccdod
     : Predicate<"Subtarget->hasVendorXSfvqmaccdod()">,
       AssemblerPredicate<(all_of FeatureVendorXSfvqmaccdod),
@@ -1281,7 +1281,7 @@ def HasVendorXSfvqmaccdod
 def FeatureVendorXSfvqmaccqoq
     : RISCVExtension<1, 0,
                      "SiFive Int8 Matrix Multiplication Instructions (4-by-8 and 8-by-4)",
-                     [FeatureStdExtZve32x]>;
+                     [FeatureStdExtZve32x, FeatureStdExtZvl256b]>;
 def HasVendorXSfvqmaccqoq
     : Predicate<"Subtarget->hasVendorXSfvqmaccqoq()">,
       AssemblerPredicate<(all_of FeatureVendorXSfvqmaccqoq),
@@ -1290,7 +1290,7 @@ def HasVendorXSfvqmaccqoq
 def FeatureVendorXSfvfwmaccqqq
     : RISCVExtension<1, 0,
                      "SiFive Matrix Multiply Accumulate Instruction (4-by-4)",
-                     [FeatureStdExtZvfbfmin]>;
+                     [FeatureStdExtZvfbfmin, FeatureStdExtZvl128b]>;
 def HasVendorXSfvfwmaccqqq
     : Predicate<"Subtarget->hasVendorXSfvfwmaccqqq()">,
       AssemblerPredicate<(all_of FeatureVendorXSfvfwmaccqqq),

llvm/test/CodeGen/RISCV/attributes.ll

@@ -435,7 +435,7 @@
 ; RV32XCVMEM: .attribute 5, "rv32i2p1_xcvmem1p0"
 ; RV32XCVSIMD: .attribute 5, "rv32i2p1_xcvsimd1p0"
 ; RV32XCVBI: .attribute 5, "rv32i2p1_xcvbi1p0"
-; RV32XSFVFWMACCQQQ: .attribute 5, "rv32i2p1_f2p2_zicsr2p0_zve32f1p0_zve32x1p0_zvfbfmin1p0_zvl32b1p0_xsfvfwmaccqqq1p0"
+; RV32XSFVFWMACCQQQ: .attribute 5, "rv32i2p1_f2p2_zicsr2p0_zve32f1p0_zve32x1p0_zvfbfmin1p0_zvl128b1p0_zvl32b1p0_zvl64b1p0_xsfvfwmaccqqq1p0"
 ; RV32XTHEADCMO: .attribute 5, "rv32i2p1_xtheadcmo1p0"
 ; RV32XTHEADCONDMOV: .attribute 5, "rv32i2p1_xtheadcondmov1p0"
 ; RV32XTHEADFMEMIDX: .attribute 5, "rv32i2p1_xtheadfmemidx1p0"
@@ -610,7 +610,7 @@
 ; RV64SVVPTC: .attribute 5, "rv64i2p1_svvptc1p0"
 ; RV64SVINVAL: .attribute 5, "rv64i2p1_svinval1p0"
 ; RV64XVENTANACONDOPS: .attribute 5, "rv64i2p1_xventanacondops1p0"
-; RV64XSFVFWMACCQQQ: .attribute 5, "rv64i2p1_f2p2_zicsr2p0_zve32f1p0_zve32x1p0_zvfbfmin1p0_zvl32b1p0_xsfvfwmaccqqq1p0"
+; RV64XSFVFWMACCQQQ: .attribute 5, "rv64i2p1_f2p2_zicsr2p0_zve32f1p0_zve32x1p0_zvfbfmin1p0_zvl128b1p0_zvl32b1p0_zvl64b1p0_xsfvfwmaccqqq1p0"
 ; RV64XTHEADBA: .attribute 5, "rv64i2p1_xtheadba1p0"
 ; RV64XTHEADBB: .attribute 5, "rv64i2p1_xtheadbb1p0"
 ; RV64XTHEADBS: .attribute 5, "rv64i2p1_xtheadbs1p0"

llvm/test/MC/RISCV/attribute-arch.s

@@ -448,7 +448,7 @@
 # CHECK: .attribute     5, "rv32i2p1_zilsd1p0"
 
 .attribute arch, "rv64i_xsfvfwmaccqqq"
-# CHECK: attribute      5, "rv64i2p1_f2p2_zicsr2p0_zve32f1p0_zve32x1p0_zvfbfmin1p0_zvl32b1p0_xsfvfwmaccqqq1p0"
+# CHECK: attribute      5, "rv64i2p1_f2p2_zicsr2p0_zve32f1p0_zve32x1p0_zvfbfmin1p0_zvl128b1p0_zvl32b1p0_zvl64b1p0_xsfvfwmaccqqq1p0"
 
 .attribute arch, "rv32i_ssnpm1p0"
 # CHECK: attribute      5, "rv32i2p1_ssnpm1p0"