From: Aurelien Jarno <aurelien@aurel32.net>
To: qemu-devel@nongnu.org
Subject: [Qemu-devel] [6236] Add vcmpequ{b, h, w} and vcmpgt{s, u}{b, h, w} instructions
Date: Thu, 08 Jan 2009 18:54:38 +0000 [thread overview]
Message-ID: <E1LL01e-0004YX-LO@cvs.savannah.gnu.org> (raw)
Revision: 6236
http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=6236
Author: aurel32
Date: 2009-01-08 18:54:38 +0000 (Thu, 08 Jan 2009)
Log Message:
-----------
Add vcmpequ{b, h, w} and vcmpgt{s, u}{b, h, w} instructions
Signed-off-by: Nathan Froyd <froydnj@codesourcery.com>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
Modified Paths:
--------------
trunk/target-ppc/helper.h
trunk/target-ppc/op_helper.c
trunk/target-ppc/translate.c
Modified: trunk/target-ppc/helper.h
===================================================================
--- trunk/target-ppc/helper.h 2009-01-08 18:54:26 UTC (rev 6235)
+++ trunk/target-ppc/helper.h 2009-01-08 18:54:38 UTC (rev 6236)
@@ -123,6 +123,24 @@
DEF_HELPER_3(vmaxub, void, avr, avr, avr)
DEF_HELPER_3(vmaxuh, void, avr, avr, avr)
DEF_HELPER_3(vmaxuw, void, avr, avr, avr)
+DEF_HELPER_3(vcmpequb, void, avr, avr, avr)
+DEF_HELPER_3(vcmpequh, void, avr, avr, avr)
+DEF_HELPER_3(vcmpequw, void, avr, avr, avr)
+DEF_HELPER_3(vcmpgtub, void, avr, avr, avr)
+DEF_HELPER_3(vcmpgtuh, void, avr, avr, avr)
+DEF_HELPER_3(vcmpgtuw, void, avr, avr, avr)
+DEF_HELPER_3(vcmpgtsb, void, avr, avr, avr)
+DEF_HELPER_3(vcmpgtsh, void, avr, avr, avr)
+DEF_HELPER_3(vcmpgtsw, void, avr, avr, avr)
+DEF_HELPER_3(vcmpequb_dot, void, avr, avr, avr)
+DEF_HELPER_3(vcmpequh_dot, void, avr, avr, avr)
+DEF_HELPER_3(vcmpequw_dot, void, avr, avr, avr)
+DEF_HELPER_3(vcmpgtub_dot, void, avr, avr, avr)
+DEF_HELPER_3(vcmpgtuh_dot, void, avr, avr, avr)
+DEF_HELPER_3(vcmpgtuw_dot, void, avr, avr, avr)
+DEF_HELPER_3(vcmpgtsb_dot, void, avr, avr, avr)
+DEF_HELPER_3(vcmpgtsh_dot, void, avr, avr, avr)
+DEF_HELPER_3(vcmpgtsw_dot, void, avr, avr, avr)
DEF_HELPER_3(vmrglb, void, avr, avr, avr)
DEF_HELPER_3(vmrglh, void, avr, avr, avr)
DEF_HELPER_3(vmrglw, void, avr, avr, avr)
Modified: trunk/target-ppc/op_helper.c
===================================================================
--- trunk/target-ppc/op_helper.c 2009-01-08 18:54:26 UTC (rev 6235)
+++ trunk/target-ppc/op_helper.c 2009-01-08 18:54:38 UTC (rev 6236)
@@ -2101,6 +2101,42 @@
#undef VAVG_DO
#undef VAVG
+#define VCMP_DO(suffix, compare, element, record) \
+ void helper_vcmp##suffix (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b) \
+ { \
+ uint32_t ones = (uint32_t)-1; \
+ uint32_t all = ones; \
+ uint32_t none = 0; \
+ int i; \
+ for (i = 0; i < ARRAY_SIZE(r->element); i++) { \
+ uint32_t result = (a->element[i] compare b->element[i] ? ones : 0x0); \
+ switch (sizeof (a->element[0])) { \
+ case 4: r->u32[i] = result; break; \
+ case 2: r->u16[i] = result; break; \
+ case 1: r->u8[i] = result; break; \
+ } \
+ all &= result; \
+ none |= result; \
+ } \
+ if (record) { \
+ env->crf[6] = ((all != 0) << 3) | ((none == 0) << 1); \
+ } \
+ }
+#define VCMP(suffix, compare, element) \
+ VCMP_DO(suffix, compare, element, 0) \
+ VCMP_DO(suffix##_dot, compare, element, 1)
+VCMP(equb, ==, u8)
+VCMP(equh, ==, u16)
+VCMP(equw, ==, u32)
+VCMP(gtub, >, u8)
+VCMP(gtuh, >, u16)
+VCMP(gtuw, >, u32)
+VCMP(gtsb, >, s8)
+VCMP(gtsh, >, s16)
+VCMP(gtsw, >, s32)
+#undef VCMP_DO
+#undef VCMP
+
void helper_vmhaddshs (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c)
{
int sat = 0;
Modified: trunk/target-ppc/translate.c
===================================================================
--- trunk/target-ppc/translate.c 2009-01-08 18:54:26 UTC (rev 6235)
+++ trunk/target-ppc/translate.c 2009-01-08 18:54:38 UTC (rev 6236)
@@ -6380,6 +6380,16 @@
GEN_VXRFORM1(name, name, #name, opc2, opc3) \
GEN_VXRFORM1(name##_dot, name##_, #name ".", opc2, (opc3 | (0x1 << 4)))
+GEN_VXRFORM(vcmpequb, 3, 0)
+GEN_VXRFORM(vcmpequh, 3, 1)
+GEN_VXRFORM(vcmpequw, 3, 2)
+GEN_VXRFORM(vcmpgtsb, 3, 12)
+GEN_VXRFORM(vcmpgtsh, 3, 13)
+GEN_VXRFORM(vcmpgtsw, 3, 14)
+GEN_VXRFORM(vcmpgtub, 3, 8)
+GEN_VXRFORM(vcmpgtuh, 3, 9)
+GEN_VXRFORM(vcmpgtuw, 3, 10)
+
#define GEN_VXFORM_NOA(name, opc2, opc3) \
GEN_HANDLER(name, 0x04, opc2, opc3, 0x001f0000, PPC_ALTIVEC) \
{ \
reply other threads:[~2009-01-08 18:54 UTC|newest]
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