Re: An asm constraint issue (ARM FPU)

2021-07-29 Thread Zoltán Kócsi
Dear Marc, Sorry for the late answer, I was away for a few days. Yes, that fixes it. THANK YOU! Do you know which gcc source file contains the magic qualifiers for the asm arguments? I wouldn't mind to go through the code and extract what I can. Probably I'd find a couple of gems that are useful

Re: An asm constraint issue (ARM FPU)

2021-07-25 Thread Marc Glisse
On Sun, 25 Jul 2021, Zoltán Kócsi wrote: I try to write a one-liner inline function to create a double form a 64-bit integer, not converting it to a double but the integer containing the bit pattern for the double (type spoofing). The compiler is arm-eabi-gcc 8.2.0. The target is a Cortex-A9,

An asm constraint issue (ARM FPU)

2021-07-24 Thread Zoltán Kócsi
I try to write a one-liner inline function to create a double form a 64-bit integer, not converting it to a double but the integer containing the bit pattern for the double (type spoofing). The compiler is arm-eabi-gcc 8.2.0. The target is a Cortex-A9, with NEON. According to the info page the