From bcd0068ecfead0ef4cc2f9bd3247fed9909001c6 Mon Sep 17 00:00:00 2001 From: Chris Demetriou Date: Wed, 16 Apr 2003 00:52:08 +0000 Subject: [PATCH] 2003-04-15 Richard Sandiford * vr.igen (do_vr_mul_op): Zero-extend the low 32 bits of unsigned operands. --- sim/mips/ChangeLog | 5 +++++ sim/mips/vr.igen | 4 +++- 2 files changed, 8 insertions(+), 1 deletion(-) diff --git a/sim/mips/ChangeLog b/sim/mips/ChangeLog index 76c676c6ede..1474f798295 100644 --- a/sim/mips/ChangeLog +++ b/sim/mips/ChangeLog @@ -1,3 +1,8 @@ +2003-04-15 Richard Sandiford + + * vr.igen (do_vr_mul_op): Zero-extend the low 32 bits of + unsigned operands. + 2003-02-27 Andrew Cagney * interp.c (sim_open): diff --git a/sim/mips/vr.igen b/sim/mips/vr.igen index 0eb5f4de2d9..742a85d0ca8 100644 --- a/sim/mips/vr.igen +++ b/sim/mips/vr.igen @@ -73,7 +73,9 @@ (long) CIA); TRACE_ALU_INPUT2 (x, y); - product = (unsigned_p ? x * y : EXTEND32 (x) * EXTEND32 (y)); + product = (unsigned_p + ? V8_4 (x, 1) * V8_4 (y, 1) + : EXTEND32 (x) * EXTEND32 (y)); result = (subtract_p ? lhs - product : lhs + product); if (saturate_p) { -- 2.30.2