Merge pull request #110 from VectorBlox/master

replace shift instruction with and instructuction in __mulsi3
10 years ago · 4bcd4f57af
1 changed files with 2 additions and 2 deletions
--- a/gcc/libgcc/config/riscv/mul.S
+++ b/gcc/libgcc/config/riscv/mul.S
@ -11,8 +11,8 @@ __muldi3:
  mv     a2, a0
  li     a0, 0
 .L1:
-  slli   a3, a1, _RISCV_SZPTR-1
-  bgez   a3, .L2
+  andi   a3, a1, 1
+  beqz   a3, .L2
  add    a0, a0, a2
 .L2:
  srli   a1, a1, 1