RISC-V: Add implication for M extension.

That M implies Zmmul.

gcc/ChangeLog:

	* common/config/riscv/riscv-common.cc: M implies Zmmul.

diff --git a/gcc/common/config/riscv/riscv-common.cc b/gcc/common/config/riscv/riscv-common.cc
index 2adebe0b6f29321b1a07883789bc8dc98f0ceb8c..60595a3e3561869c0c77404717f2aad21ced43e0 100644 (file)
--- a/gcc/common/config/riscv/riscv-common.cc
+++ b/gcc/common/config/riscv/riscv-common.cc
@@ -75,6 +75,8 @@ struct riscv_implied_info_t
 /* Implied ISA info, must end with NULL sentinel.  */
 static const riscv_implied_info_t riscv_implied_info[] =
 {
+  {"m", "zmmul"},
+
   {"d", "f"},
   {"f", "zicsr"},
   {"d", "zicsr"},