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Implement the jit_rsb* interface.

* check/alu_rsb.ok, check/alu_rsb.tst: New files implementing
	tests for jit_rsb*.

	* check/Makefile.am, check/lightning.c, include/lightning.h,
	lib/jit_aarch64-cpu.c, lib/jit_aarch64-fpu.c, lib/jit_aarch64-sz.c,
	lib/jit_aarch64.c, lib/jit_alpha-cpu.c, lib/jit_alpha-fpu.c,
	lib/jit_alpha-sz.c, lib/jit_alpha.c, lib/jit_arm-cpu.c,
	lib/jit_arm-swf.c, lib/jit_arm-sz.c, lib/jit_arm-vfp.c,
	lib/jit_arm.c, lib/jit_hppa-cpu.c, lib/jit_hppa-fpu.c,
	lib/jit_hppa-sz.c, lib/jit_hppa.c, lib/jit_ia64-cpu.c,
	lib/jit_ia64-fpu.c, lib/jit_ia64-sz.c, lib/jit_ia64.c,
	lib/jit_mips-cpu.c, lib/jit_mips-fpu.c, lib/jit_mips-sz.c,
	lib/jit_mips.c, lib/jit_names.c, lib/jit_ppc-cpu.c,
	lib/jit_ppc-fpu.c, lib/jit_ppc-sz.c, lib/jit_ppc.c,
	lib/jit_s390x-cpu.c, lib/jit_s390x-fpu.c, lib/jit_s390x-sz.c,
	lib/jit_s390x.c, lib/jit_sparc-cpu.c, lib/jit_sparc-fpu.c,
	lib/jit_sparc-sz.c, lib/jit_sparc.c, lib/jit_x86-cpu.c,
	lib/jit_x86-sse.c, lib/jit_x86-sz.c, lib/jit_x86-x87.c,
	lib/jit_x86.c, lib/lightning.c: Implement jit_rsb*. This
	was a missing lightning 1.x interface, that on most
	backends is synthesized, but on a few backends (hppa and ia64),
	it can generate better code as on those there is, or the
	only instruction with an immediate is in "rsb" format
	(left operand).
This commit is contained in:
pcpa 2014-10-18 11:31:18 -03:00
parent 624cf33d08
commit 960280decd
50 changed files with 494 additions and 44 deletions

View file

@ -452,6 +452,8 @@ static void _subci(jit_state_t*, jit_int32_t, jit_int32_t, jit_word_t);
# define subxr(r0, r1, r2) SUBXcc(r1, r2, r0)
# define subxi(r0, r1, i0) _subxi(_jit, r0, r1, i0)
static void _subxi(jit_state_t*, jit_int32_t, jit_int32_t, jit_word_t);
# define rsbi(r0, r1, i0) _rsbi(_jit, r0, r1, i0)
static void _rsbi(jit_state_t*,jit_int32_t,jit_int32_t,jit_word_t);
# define mulr(r0, r1, r2) UMUL(r1, r2, r0)
# define muli(r0, r1, i0) _muli(_jit, r0, r1, i0)
static void _muli(jit_state_t*, jit_int32_t, jit_int32_t, jit_word_t);
@ -927,6 +929,13 @@ _subxi(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1, jit_word_t i0)
}
}
static void
_rsbi(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1, jit_word_t i0)
{
subi(r0, r1, i0);
negr(r0, r0);
}
static void
_muli(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1, jit_word_t i0)
{
@ -1325,7 +1334,7 @@ _ldxi_s(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1, jit_word_t i0)
else {
reg = jit_get_reg(jit_class_gpr);
movi(rn(reg), i0);
ldxr_c(r0, r1, rn(reg));
ldxr_s(r0, r1, rn(reg));
jit_unget_reg(reg);
}
}