lightning.git - Portable just-in-time compiler library

Add back the jit_hmul interfaces

In Lightning 1.x it did exist, but at first jit_qmul appeared to provide all usages, as hmul was used for high bits computation of a complete multiplication. It turns out there might be other cases where only the top bits are really required. One example is division by constants. Now an optimized version that attempts to reduce used instructions when applicable has been added. * check/Makefile.am, check/lightning.c: Add new hmul tests. * doc/body.texi: Document hmul. * include/lightning.h.in: Create the new hmul codes. * lib/jit_aarch64-cpu.c, lib/jit_aarch64-sz.c, lib/jit_aarch64.c, lib/jit_alpha-cpu.c, lib/jit_alpha-sz.c, lib/jit_alpha.c, lib/jit_arm-cpu.c, lib/jit_arm-sz.c, lib/jit_arm.c, lib/jit_hppa-cpu.c, lib/jit_hppa-sz.c, lib/jit_hppa.c, lib/jit_ia64-cpu.c, lib/jit_ia64-sz.c, lib/jit_ia64.c, lib/jit_loongarch-cpu.c, lib/jit_loongarch-sz.c, lib/jit_loongarch.c, lib/jit_mips-cpu.c, lib/jit_mips-sz.c, lib/jit_mips.c, lib/jit_ppc-cpu.c, lib/jit_ppc-sz.c, lib/jit_ppc.c, lib/jit_riscv-cpu.c, lib/jit_riscv-sz.c, lib/jit_riscv.c, lib/jit_s390-cpu.c, lib/jit_s390-sz.c, lib/jit_s390.c, lib/jit_sparc-cpu.c, lib/jit_sparc-sz.c, lib/jit_sparc.c, lib/jit_x86-cpu.c, lib/jit_x86-sz.c, lib/jit_x86.c: Implement hmul and update the *-sz.c files. * lib/jit_names.c, lib/lightning.c: Add knowledge of hmul.

Diffstat (limited to 'lib/jit_arm-cpu.c')

1 files changed, 33 insertions, 0 deletions