b96562eb86
The lr.w instruction used to read the value from memory sign-extends the value read from memory. GCC sign-extends the 32-bit comparison value passed in whereas clang currently does not. As a result, if the value being compared has the MSB set, the comparison fails for matching 32-bit values when compiled with clang. Use a cast to explicitly sign-extend the unsigned comparison value. This works with both GCC and clang. There is commentary in the RISC-V spec that suggests that GCC's approach is more correct, but it is not clear if the commentary in the RISC-V spec is binding. Reviewed by: mhorne Obtained from: Axiado MFC after: 2 weeks Sponsored by: DARPA Differential Revision: https://reviews.freebsd.org/D22084 |
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_align.h | ||
_bus.h | ||
_inttypes.h | ||
_limits.h | ||
_stdint.h | ||
_types.h | ||
asm.h | ||
atomic.h | ||
bus_dma_impl.h | ||
bus_dma.h | ||
bus.h | ||
clock.h | ||
counter.h | ||
cpu.h | ||
cpufunc.h | ||
db_machdep.h | ||
dump.h | ||
efi.h | ||
elf.h | ||
encoding.h | ||
endian.h | ||
exec.h | ||
float.h | ||
floatingpoint.h | ||
fpe.h | ||
frame.h | ||
ieeefp.h | ||
in_cksum.h | ||
intr.h | ||
kdb.h | ||
machdep.h | ||
md_var.h | ||
memdev.h | ||
minidump.h | ||
ofw_machdep.h | ||
param.h | ||
pcb.h | ||
pcpu_aux.h | ||
pcpu.h | ||
pmap.h | ||
pmc_mdep.h | ||
proc.h | ||
procctl.h | ||
profile.h | ||
psl.h | ||
pte.h | ||
ptrace.h | ||
reg.h | ||
reloc.h | ||
resource.h | ||
riscvreg.h | ||
runq.h | ||
sbi.h | ||
setjmp.h | ||
sf_buf.h | ||
sigframe.h | ||
signal.h | ||
smp.h | ||
stack.h | ||
stdarg.h | ||
sysarch.h | ||
trap.h | ||
ucontext.h | ||
vdso.h | ||
vm.h | ||
vmparam.h |