Revision: 6599
Author: [email protected]
Date: Thu Feb 3 00:59:14 2011
Log: Implements Modulo operation on ARM for DoArithmeticD.
BUG=none
TEST=none
Patch by Rodolph Perfetta from ARM Ltd.
Review URL: http://codereview.chromium.org/6248004
http://code.google.com/p/v8/source/detail?r=6599
Modified:
/branches/bleeding_edge/src/arm/lithium-codegen-arm.cc
=======================================
--- /branches/bleeding_edge/src/arm/lithium-codegen-arm.cc Wed Feb 2
05:55:29 2011
+++ /branches/bleeding_edge/src/arm/lithium-codegen-arm.cc Thu Feb 3
00:59:14 2011
@@ -1398,7 +1398,18 @@
__ vdiv(left, left, right);
break;
case Token::MOD: {
- Abort("DoArithmeticD unimplemented for MOD.");
+ // Save r0-r3 on the stack.
+ __ stm(db_w, sp, r0.bit() | r1.bit() | r2.bit() | r3.bit());
+
+ __ PrepareCallCFunction(4, scratch0());
+ __ vmov(r0, r1, left);
+ __ vmov(r2, r3, right);
+ __ CallCFunction(ExternalReference::double_fp_operation(Token::MOD),
4);
+ // Move the result in the double result register.
+ __ vmov(ToDoubleRegister(instr->result()), r0, r1);
+
+ // Restore r0-r3.
+ __ ldm(ia_w, sp, r0.bit() | r1.bit() | r2.bit() | r3.bit());
break;
}
default:
--
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