From: Aurelien Jarno <aurelien@aurel32.net>
To: qemu-devel@nongnu.org
Subject: [Qemu-devel] [6254] Add v{add, sub}{s, u}{b, h, w}s instructions
Date: Thu, 08 Jan 2009 23:19:51 +0000 [thread overview]
Message-ID: <E1LL4AJ-0001co-QY@cvs.savannah.gnu.org> (raw)
Revision: 6254
http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=6254
Author: aurel32
Date: 2009-01-08 23:19:50 +0000 (Thu, 08 Jan 2009)
Log Message:
-----------
Add v{add, sub}{s, u}{b, h, w}s instructions
Nathan Froyd <froydnj@codesourcery.com>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
Modified Paths:
--------------
trunk/hw/ppc_oldworld.c
trunk/target-ppc/helper.h
trunk/target-ppc/op_helper.c
trunk/target-ppc/translate.c
Modified: trunk/hw/ppc_oldworld.c
===================================================================
--- trunk/hw/ppc_oldworld.c 2009-01-08 21:03:55 UTC (rev 6253)
+++ trunk/hw/ppc_oldworld.c 2009-01-08 23:19:50 UTC (rev 6254)
@@ -201,7 +201,7 @@
if (linux_boot) {
kernel_base = KERNEL_LOAD_ADDR;
/* now we can load the kernel */
- kernel_size = load_elf(kernel_filename, kernel_base - 0xc0000000ULL,
+ kernel_size = load_elf(kernel_filename, kernel_base - 0x00000000ULL,
NULL, NULL, NULL);
if (kernel_size < 0)
kernel_size = load_aout(kernel_filename, kernel_base,
Modified: trunk/target-ppc/helper.h
===================================================================
--- trunk/target-ppc/helper.h 2009-01-08 21:03:55 UTC (rev 6253)
+++ trunk/target-ppc/helper.h 2009-01-08 23:19:50 UTC (rev 6254)
@@ -170,6 +170,18 @@
DEF_HELPER_3(vsubcuw, void, avr, avr, avr)
DEF_HELPER_2(lvsl, void, avr, tl);
DEF_HELPER_2(lvsr, void, avr, tl);
+DEF_HELPER_3(vaddsbs, void, avr, avr, avr)
+DEF_HELPER_3(vaddshs, void, avr, avr, avr)
+DEF_HELPER_3(vaddsws, void, avr, avr, avr)
+DEF_HELPER_3(vsubsbs, void, avr, avr, avr)
+DEF_HELPER_3(vsubshs, void, avr, avr, avr)
+DEF_HELPER_3(vsubsws, void, avr, avr, avr)
+DEF_HELPER_3(vaddubs, void, avr, avr, avr)
+DEF_HELPER_3(vadduhs, void, avr, avr, avr)
+DEF_HELPER_3(vadduws, void, avr, avr, avr)
+DEF_HELPER_3(vsububs, void, avr, avr, avr)
+DEF_HELPER_3(vsubuhs, void, avr, avr, avr)
+DEF_HELPER_3(vsubuws, void, avr, avr, avr)
DEF_HELPER_3(vrlb, void, avr, avr, avr)
DEF_HELPER_3(vrlh, void, avr, avr, avr)
DEF_HELPER_3(vrlw, void, avr, avr, avr)
Modified: trunk/target-ppc/op_helper.c
===================================================================
--- trunk/target-ppc/op_helper.c 2009-01-08 21:03:55 UTC (rev 6253)
+++ trunk/target-ppc/op_helper.c 2009-01-08 23:19:50 UTC (rev 6254)
@@ -2082,6 +2082,45 @@
#undef VARITH_DO
#undef VARITH
+#define VARITHSAT_CASE(type, op, cvt, element) \
+ { \
+ type result = (type)a->element[i] op (type)b->element[i]; \
+ r->element[i] = cvt(result, &sat); \
+ }
+
+#define VARITHSAT_DO(name, op, optype, cvt, element) \
+ void helper_v##name (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \
+ { \
+ int sat = 0; \
+ int i; \
+ for (i = 0; i < ARRAY_SIZE(r->element); i++) { \
+ switch (sizeof(r->element[0])) { \
+ case 1: VARITHSAT_CASE(optype, op, cvt, element); break; \
+ case 2: VARITHSAT_CASE(optype, op, cvt, element); break; \
+ case 4: VARITHSAT_CASE(optype, op, cvt, element); break; \
+ } \
+ } \
+ if (sat) { \
+ env->vscr |= (1 << VSCR_SAT); \
+ } \
+ }
+#define VARITHSAT_SIGNED(suffix, element, optype, cvt) \
+ VARITHSAT_DO(adds##suffix##s, +, optype, cvt, element) \
+ VARITHSAT_DO(subs##suffix##s, -, optype, cvt, element)
+#define VARITHSAT_UNSIGNED(suffix, element, optype, cvt) \
+ VARITHSAT_DO(addu##suffix##s, +, optype, cvt, element) \
+ VARITHSAT_DO(subu##suffix##s, -, optype, cvt, element)
+VARITHSAT_SIGNED(b, s8, int16_t, cvtshsb)
+VARITHSAT_SIGNED(h, s16, int32_t, cvtswsh)
+VARITHSAT_SIGNED(w, s32, int64_t, cvtsdsw)
+VARITHSAT_UNSIGNED(b, u8, uint16_t, cvtshub)
+VARITHSAT_UNSIGNED(h, u16, uint32_t, cvtswuh)
+VARITHSAT_UNSIGNED(w, u32, uint64_t, cvtsduw)
+#undef VARITHSAT_CASE
+#undef VARITHSAT_DO
+#undef VARITHSAT_SIGNED
+#undef VARITHSAT_UNSIGNED
+
#define VAVG_DO(name, element, etype) \
void helper_v##name (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \
{ \
Modified: trunk/target-ppc/translate.c
===================================================================
--- trunk/target-ppc/translate.c 2009-01-08 21:03:55 UTC (rev 6253)
+++ trunk/target-ppc/translate.c 2009-01-08 23:19:50 UTC (rev 6254)
@@ -6341,6 +6341,18 @@
GEN_VXFORM(vsro, 6, 17);
GEN_VXFORM(vaddcuw, 0, 6);
GEN_VXFORM(vsubcuw, 0, 22);
+GEN_VXFORM(vaddubs, 0, 8);
+GEN_VXFORM(vadduhs, 0, 9);
+GEN_VXFORM(vadduws, 0, 10);
+GEN_VXFORM(vaddsbs, 0, 12);
+GEN_VXFORM(vaddshs, 0, 13);
+GEN_VXFORM(vaddsws, 0, 14);
+GEN_VXFORM(vsububs, 0, 24);
+GEN_VXFORM(vsubuhs, 0, 25);
+GEN_VXFORM(vsubuws, 0, 26);
+GEN_VXFORM(vsubsbs, 0, 28);
+GEN_VXFORM(vsubshs, 0, 29);
+GEN_VXFORM(vsubsws, 0, 30);
GEN_VXFORM(vrlb, 2, 0);
GEN_VXFORM(vrlh, 2, 1);
GEN_VXFORM(vrlw, 2, 2);
next reply other threads:[~2009-01-08 23:19 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-01-08 23:19 Aurelien Jarno [this message]
2009-01-09 1:00 ` [Qemu-devel] [6254] Add v{add, sub}{s, u}{b, h, w}s instructions Nathan Froyd
2009-01-09 6:48 ` Aurelien Jarno
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