From 1b385c43363c0a4573ebea8a3bec609dc8fefbc2 Mon Sep 17 00:00:00 2001 From: David Harris Date: Mon, 15 May 2023 03:51:59 -0700 Subject: [PATCH] Changed DIVN comparison from NF to NF+2. Shouldn't make a difference on our word sizes of XLEN=32/64, NF = 10/23/52) but is more proper in the general case. --- config/shared/wally-shared.vh | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/config/shared/wally-shared.vh b/config/shared/wally-shared.vh index 3da14abd5..c743753ab 100644 --- a/config/shared/wally-shared.vh +++ b/config/shared/wally-shared.vh @@ -98,7 +98,7 @@ `define FLEN (`Q_SUPPORTED ? `Q_LEN : `D_SUPPORTED ? `D_LEN : `F_SUPPORTED ? `S_LEN : `H_LEN) `define NE (`Q_SUPPORTED ? `Q_NE : `D_SUPPORTED ? `D_NE : `F_SUPPORTED ? `S_NE : `H_NE) `define NF (`Q_SUPPORTED ? `Q_NF : `D_SUPPORTED ? `D_NF : `F_SUPPORTED ? `S_NF : `H_NF) -`define FMT (`Q_SUPPORTED ? 2'd3 : `D_SUPPORTED ? 2'd1 : `F_SUPPORTED ? 2'd0 : 2'd2) +`define FMT (`Q_SUPPORTED ? 2'd3 : `D_SUPPORTED ? 2'd1 : `F_SUPPORTED ? 2'd0 : 2'd2) `define BIAS (`Q_SUPPORTED ? `Q_BIAS : `D_SUPPORTED ? `D_BIAS : `F_SUPPORTED ? `S_BIAS : `H_BIAS)*/ // Floating point constants needed for FPU paramerterization @@ -125,7 +125,7 @@ // division constants -`define DIVN (((`NF<`XLEN) & `IDIV_ON_FPU) ? `XLEN : `NF+2) // standard length of input +`define DIVN ((((`NF+2)<`XLEN) & `IDIV_ON_FPU) ? `XLEN : `NF+2) // standard length of input `define LOGR ($clog2(`RADIX)) // r = log(R) `define RK (`LOGR*`DIVCOPIES) // r*k used for intdiv preproc `define LOGRK ($clog2(`RK)) // log2(r*k)