https://gcc.gnu.org/bugzilla/show_bug.cgi?id=60925
--- Comment #6 from Aaro Koskinen <aaro.koskinen at iki dot fi> --- Created attachment 32852 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=32852&action=edit Simplified reproducer. I tried to make a simpler reproducer. $ hppa-linux-gnu-gcc pr60925.c -c -O2 -Wall -g -fPIC pr60925.c: In function 'foo': pr60925.c:6:9: error: can't find a register in class 'R1_REGS' while reloading 'asm' asm volatile( ^ pr60925.c:6:9: error: can't find a register in class 'R1_REGS' while reloading 'asm' asm volatile( ^ pr60925.c:6:9: error: 'asm' operand has impossible constraints asm volatile( ^ pr60925.c:6:9: error: 'asm' operand has impossible constraints asm volatile( ^