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authoraurel32 <aurel32@c046a42c-6fe2-441c-8c8c-71466251a162>2009-01-04 22:13:00 +0000
committeraurel32 <aurel32@c046a42c-6fe2-441c-8c8c-71466251a162>2009-01-04 22:13:00 +0000
commitbcd2ee23ea2ade96427cada5f2967b769b43f373 (patch)
treec1fb2e640168a459223cb09338dfd2a211ff5390 /target-ppc
parenteae07261c7620231ae347878284fa36e3dc0d1c0 (diff)
Add vmladduhm instruction.
Signed-off-by: Nathan Froyd <froydnj@codesourcery.com> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6187 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'target-ppc')
-rw-r--r--target-ppc/helper.h1
-rw-r--r--target-ppc/op_helper.c9
-rw-r--r--target-ppc/translate.c18
3 files changed, 28 insertions, 0 deletions
diff --git a/target-ppc/helper.h b/target-ppc/helper.h
index 59e8df4b2a..eadfadcb36 100644
--- a/target-ppc/helper.h
+++ b/target-ppc/helper.h
@@ -184,6 +184,7 @@ DEF_HELPER_4(vmsumuhm, void, avr, avr, avr, avr)
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)
diff --git a/target-ppc/op_helper.c b/target-ppc/op_helper.c
index 6ff215675a..a8d3c8b707 100644
--- a/target-ppc/op_helper.c
+++ b/target-ppc/op_helper.c
@@ -2117,6 +2117,15 @@ VMINMAX(uw, u32)
#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) \
{ \
diff --git a/target-ppc/translate.c b/target-ppc/translate.c
index 49aae4c21d..707b493d04 100644
--- a/target-ppc/translate.c
+++ b/target-ppc/translate.c
@@ -6387,6 +6387,24 @@ GEN_HANDLER(vsldoi, 0x04, 0x16, 0xFF, 0x00000400, PPC_ALTIVEC)
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)