Implement the jit_rsb* interface. - lightning.git - Portable just-in-time compiler library

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authorpcpa <paulo.cesar.pereira.de.andrade@gmail.com>2014年10月18日 11:31:18 -0300
committerpcpa <paulo.cesar.pereira.de.andrade@gmail.com>2014年10月18日 11:31:18 -0300
commit960280decd66fed85d9d64d2442008420c0cf73f (patch)
treeedf2cbc617bbec078cf93eb10dbee4e748902b4f /lib/jit_aarch64-cpu.c
parent624cf33d0815d8f5922cf0ccbc16322daf72acb5 (diff)
downloadlightning-960280decd66fed85d9d64d2442008420c0cf73f.tar.gz
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).
Diffstat (limited to 'lib/jit_aarch64-cpu.c')
-rw-r--r--lib/jit_aarch64-cpu.c 9
1 files changed, 9 insertions, 0 deletions
diff --git a/lib/jit_aarch64-cpu.c b/lib/jit_aarch64-cpu.c
index fd25f7f..2983419 100644
--- a/lib/jit_aarch64-cpu.c
+++ b/lib/jit_aarch64-cpu.c
@@ -520,6 +520,8 @@ static void _subci(jit_state_t*,jit_int32_t,jit_int32_t,jit_word_t);
# define subxr(r0,r1,r2) SBCS(r0,r1,r2)
# 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) MUL(r0,r1,r2)
# 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);
@@ -1122,6 +1124,13 @@ _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)
{
jit_int32_t reg;
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