From 8c5935000d2b9bccd6c563b45c6a893f28986ca5 Mon Sep 17 00:00:00 2001
From: Mike Pall <mike>
Date: Fri, 3 Jun 2011 18:48:02 +0200
Subject: Add narrowing of modulo operator.

---
 src/lj_asm_arm.h | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

(limited to 'src/lj_asm_arm.h')

diff --git a/src/lj_asm_arm.h b/src/lj_asm_arm.h
index 5890b54f..74a3a927 100644
--- a/src/lj_asm_arm.h
+++ b/src/lj_asm_arm.h
@@ -1110,6 +1110,16 @@ static void asm_intmul(ASMState *as, IRIns *ir)
   if (ra_hasreg(tmp)) emit_dm(as, ARMI_MOV, tmp, right);
 }
 
+static void asm_intmod(ASMState *as, IRIns *ir)
+{
+  const CCallInfo *ci = &lj_ir_callinfo[IRCALL_lj_vm_modi];
+  IRRef args[2];
+  args[0] = ir->op1;
+  args[1] = ir->op2;
+  asm_setupresult(as, ir, ci);
+  asm_gencall(as, ci, args);
+}
+
 static void asm_bitswap(ASMState *as, IRIns *ir)
 {
   Reg dest = ra_dest(as, ir, RSET_GPR);
@@ -1652,6 +1662,7 @@ static void asm_ir(ASMState *as, IRIns *ir)
   case IR_ADD: case IR_ADDOV: asm_arithop(as, ir, ARMI_ADD); break;
   case IR_SUB: case IR_SUBOV: asm_arithop(as, ir, ARMI_SUB); break;
   case IR_MUL: case IR_MULOV: asm_intmul(as, ir); break;
+  case IR_MOD: asm_intmod(as, ir); break;
 
   case IR_NEG: asm_intneg(as, ir, ARMI_RSB); break;
 
@@ -1659,7 +1670,7 @@ static void asm_ir(ASMState *as, IRIns *ir)
   case IR_MAX: asm_intmin_max(as, ir, CC_LT); break;
 
   case IR_FPMATH: case IR_ATAN2: case IR_LDEXP:
-  case IR_DIV: case IR_MOD: case IR_POW: case IR_ABS: case IR_TOBIT:
+  case IR_DIV: case IR_POW: case IR_ABS: case IR_TOBIT:
     lua_assert(0);  /* Unused for LJ_SOFTFP. */
     break;
 
-- 
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