rvv: fix int type is not enough to do shift (#544)

int can only represent 32 bit in lp64 model when sew is greater than 32, the behavior is undefined
6 years ago · 3e7cba464d
2 changed files with 2 additions and 2 deletions
--- a/riscv/insns/vrem_vv.h
+++ b/riscv/insns/vrem_vv.h
@ -3,7 +3,7 @@ VI_VV_LOOP
 ({
  if (vs1 == 0)
    vd = vs2;
-  else if(vs2 == -(1 << (sew - 1)) && vs1 == -1)
+  else if(vs2 == -(((intmax_t)1) << (sew - 1)) && vs1 == -1)
    vd = 0;
  else {
    vd = vs2 % vs1;
--- a/riscv/insns/vrem_vx.h
+++ b/riscv/insns/vrem_vx.h
@ -3,7 +3,7 @@ VI_VX_LOOP
 ({
  if (rs1 == 0)
    vd = vs2;
-  else if (vs2 == -(1 << (sew - 1)) && rs1 == -1)
+  else if (vs2 == -(((intmax_t)1) << (sew - 1)) && rs1 == -1)
    vd = 0;
  else
    vd = vs2 % rs1;