From: Aurelien Jarno <aurelien@aurel32.net>
To: qemu-devel@nongnu.org
Subject: [Qemu-devel] [6169] Add lvs{l,r} instructions.
Date: Sun, 04 Jan 2009 22:09:43 +0000 [thread overview]
Message-ID: <E1LJbAF-000113-AO@cvs.savannah.gnu.org> (raw)
Revision: 6169
http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=6169
Author: aurel32
Date: 2009-01-04 22:09:42 +0000 (Sun, 04 Jan 2009)
Log Message:
-----------
Add lvs{l,r} 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 2009-01-04 22:09:31 UTC (rev 6168)
+++ trunk/target-ppc/helper.h 2009-01-04 22:09:42 UTC (rev 6169)
@@ -150,6 +150,8 @@
DEF_HELPER_3(vsro, void, avr, avr, avr)
DEF_HELPER_3(vaddcuw, void, avr, avr, avr)
DEF_HELPER_3(vsubcuw, void, avr, avr, avr)
+DEF_HELPER_2(lvsl, void, avr, tl);
+DEF_HELPER_2(lvsr, void, avr, tl);
DEF_HELPER_1(efscfsi, i32, i32)
DEF_HELPER_1(efscfui, i32, i32)
Modified: trunk/target-ppc/op_helper.c
===================================================================
--- trunk/target-ppc/op_helper.c 2009-01-04 22:09:31 UTC (rev 6168)
+++ trunk/target-ppc/op_helper.c 2009-01-04 22:09:42 UTC (rev 6169)
@@ -1972,6 +1972,24 @@
for (index = ARRAY_SIZE(r->element)-1; index >= 0; index--)
#endif
+void helper_lvsl (ppc_avr_t *r, target_ulong sh)
+{
+ int i, j = (sh & 0xf);
+
+ VECTOR_FOR_INORDER_I (i, u8) {
+ r->u8[i] = j++;
+ }
+}
+
+void helper_lvsr (ppc_avr_t *r, target_ulong sh)
+{
+ int i, j = 0x10 - (sh & 0xf);
+
+ VECTOR_FOR_INORDER_I (i, u8) {
+ r->u8[i] = j++;
+ }
+}
+
void helper_vaddcuw (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b)
{
int i;
Modified: trunk/target-ppc/translate.c
===================================================================
--- trunk/target-ppc/translate.c 2009-01-04 22:09:31 UTC (rev 6168)
+++ trunk/target-ppc/translate.c 2009-01-04 22:09:42 UTC (rev 6169)
@@ -6146,6 +6146,38 @@
/* As we don't emulate the cache, stvxl is stricly equivalent to stvx */
GEN_VR_STX(svxl, 0x07, 0x0F);
+GEN_HANDLER(lvsl, 0x1f, 0x06, 0x00, 0x00000001, PPC_ALTIVEC)
+{
+ TCGv_ptr rd;
+ TCGv EA;
+ if (unlikely(!ctx->altivec_enabled)) {
+ gen_exception(ctx, POWERPC_EXCP_VPU);
+ return;
+ }
+ EA = tcg_temp_new();
+ gen_addr_reg_index(ctx, EA);
+ rd = gen_avr_ptr(rD(ctx->opcode));
+ gen_helper_lvsl(rd, EA);
+ tcg_temp_free(EA);
+ tcg_temp_free_ptr(rd);
+}
+
+GEN_HANDLER(lvsr, 0x1f, 0x06, 0x01, 0x00000001, PPC_ALTIVEC)
+{
+ TCGv_ptr rd;
+ TCGv EA;
+ if (unlikely(!ctx->altivec_enabled)) {
+ gen_exception(ctx, POWERPC_EXCP_VPU);
+ return;
+ }
+ EA = tcg_temp_new();
+ gen_addr_reg_index(ctx, EA);
+ rd = gen_avr_ptr(rD(ctx->opcode));
+ gen_helper_lvsr(rd, EA);
+ tcg_temp_free(EA);
+ tcg_temp_free_ptr(rd);
+}
+
/* Logical operations */
#define GEN_VX_LOGICAL(name, tcg_op, opc2, opc3) \
GEN_HANDLER(name, 0x04, opc2, opc3, 0x00000000, PPC_ALTIVEC) \
reply other threads:[~2009-01-04 22:09 UTC|newest]
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