From: Aurelien Jarno <aurelien@aurel32.net>
To: qemu-devel@nongnu.org
Subject: [Qemu-devel] [6187] Add vmladduhm instruction.
Date: Sun, 04 Jan 2009 22:13:00 +0000 [thread overview]
Message-ID: <E1LJbDQ-0003bV-Fu@cvs.savannah.gnu.org> (raw)
Revision: 6187
http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=6187
Author: aurel32
Date: 2009-01-04 22:13:00 +0000 (Sun, 04 Jan 2009)
Log Message:
-----------
Add vmladduhm instruction.
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 22:12:49 UTC (rev 6186)
+++ trunk/target-ppc/helper.h 2009-01-04 22:13:00 UTC (rev 6187)
@@ -184,6 +184,7 @@
DEF_HELPER_4(vmsumuhs, void, avr, avr, avr, avr)
DEF_HELPER_4(vmsumshm, void, avr, avr, avr, avr)
DEF_HELPER_4(vmsumshs, void, avr, avr, avr, avr)
+DEF_HELPER_4(vmladduhm, void, avr, avr, avr, avr)
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 22:12:49 UTC (rev 6186)
+++ trunk/target-ppc/op_helper.c 2009-01-04 22:13:00 UTC (rev 6187)
@@ -2117,6 +2117,15 @@
#undef VMINMAX_DO
#undef VMINMAX
+void helper_vmladduhm (ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, ppc_avr_t *c)
+{
+ int i;
+ for (i = 0; i < ARRAY_SIZE(r->s16); i++) {
+ int32_t prod = a->s16[i] * b->s16[i];
+ r->s16[i] = (int16_t) (prod + c->s16[i]);
+ }
+}
+
#define VMRG_DO(name, element, highp) \
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 2009-01-04 22:12:49 UTC (rev 6186)
+++ trunk/target-ppc/translate.c 2009-01-04 22:13:00 UTC (rev 6187)
@@ -6387,6 +6387,24 @@
GEN_VAFORM_PAIRED(vmhaddshs, vmhraddshs, 16)
+GEN_HANDLER(vmladduhm, 0x04, 0x11, 0xFF, 0x00000000, PPC_ALTIVEC)
+{
+ TCGv_ptr ra, rb, rc, rd;
+ if (unlikely(!ctx->altivec_enabled)) {
+ gen_exception(ctx, POWERPC_EXCP_VPU);
+ return;
+ }
+ ra = gen_avr_ptr(rA(ctx->opcode));
+ rb = gen_avr_ptr(rB(ctx->opcode));
+ rc = gen_avr_ptr(rC(ctx->opcode));
+ rd = gen_avr_ptr(rD(ctx->opcode));
+ gen_helper_vmladduhm(rd, ra, rb, rc);
+ tcg_temp_free_ptr(ra);
+ tcg_temp_free_ptr(rb);
+ tcg_temp_free_ptr(rc);
+ tcg_temp_free_ptr(rd);
+}
+
GEN_VAFORM_PAIRED(vmsumubm, vmsummbm, 18)
GEN_VAFORM_PAIRED(vmsumuhm, vmsumuhs, 19)
GEN_VAFORM_PAIRED(vmsumshm, vmsumshs, 20)
reply other threads:[~2009-01-04 22:13 UTC|newest]
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