From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ulf Samuelsson Date: Thu, 12 Oct 2006 23:44:50 +0200 Subject: [U-Boot-Users] software FP yada yada yada References: <20061012203005.DB047353BDE@atlas.denx.de><011f01c6ee45$0eefaba0$0d68fe51@atmel.com> <200610121635.13952.bcook@bpointsys.com> Message-ID: <006b01c6ee47$b1534170$0d68fe51@atmel.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de >> According to the crosstool documentation at www.kegel.com: >> >> Most combinations of gcc 3.x.x and binutils fails when you try to build a >> softfloat toolchain All tested combinations of gcc-4.x.x and binutils fails >> if softfloat is enabled. If you want to use gcc 4, you cannot build u-boot >> as is. > > FYI, I have successfully used GCC 4.1.1 and binutils 2.16.1 to build not only > a working armv5teb softfloat toolchain (with glibc 2.4 to boot), but also > build and use u-boot 1.1.4 and the latest git head with no problems at all. > > Granted, I built the toolchain from scratch - it takes a number of tweaks to > build correctly, all of which are not in crosstool. > Is there any true benefit of using a softfloat toochain? The number of floating point operation is surely minimal in U.boot. Anyone got an idea if there is any code saving. Best Regards Ulf Samuelsson