Minor improvements of optimizations.

1 files changed, 11 insertions, 1 deletions

diff --git a/src/lj_asm.c b/src/lj_asm.c
index fae5b241..b0e6d313 100644
--- a/src/lj_asm.c
+++ b/src/lj_asm.c
@@ -2319,13 +2319,23 @@ static void asm_setup_regsp(ASMState *as)
       }
       /* fallthrough */ /* for integer POW */
     case IR_DIV: case IR_MOD:
-      if (!irt_isnum(ir->t)) {
+      if ((LJ_64 && LJ_SOFTFP) || !irt_isnum(ir->t)) {
         ir->prev = REGSP_HINT(RID_RET);
         if (inloop)
           as->modset |= (RSET_SCRATCH & RSET_GPR);
         continue;
       }
       break;
+#if LJ_64 && LJ_SOFTFP
+    case IR_ADD: case IR_SUB: case IR_MUL:
+      if (irt_isnum(ir->t)) {
+        ir->prev = REGSP_HINT(RID_RET);
+        if (inloop)
+          as->modset |= (RSET_SCRATCH & RSET_GPR);
+        continue;
+      }
+      break;
+#endif
     case IR_FPMATH:
 #if LJ_TARGET_X86ORX64
       if (ir->op2 <= IRFPM_TRUNC) {