Revision: 15053
Author: [email protected]
Date: Mon Jun 10 14:54:07 2013
Log: MIPS: Fix abs_d instruction in the simulator.
The abs_d instruction was implemented wrongly in the simulator,
it doesn't reverse the sign of the -0 number.
This commit fixes the abs_d instruction implementation.
TEST=msjunit/math-abs
BUG=
Review URL: https://codereview.chromium.org/15906014
http://code.google.com/p/v8/source/detail?r=15053
Modified:
/branches/bleeding_edge/src/mips/simulator-mips.cc
=======================================
--- /branches/bleeding_edge/src/mips/simulator-mips.cc Sat May 25 10:10:42
2013
+++ /branches/bleeding_edge/src/mips/simulator-mips.cc Mon Jun 10 14:54:07
2013
@@ -2091,7 +2091,7 @@
set_fpu_register_double(fd_reg, fs / ft);
break;
case ABS_D:
- set_fpu_register_double(fd_reg, fs < 0 ? -fs : fs);
+ set_fpu_register_double(fd_reg, fabs(fs));
break;
case MOV_D:
set_fpu_register_double(fd_reg, fs);
--
--
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