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authorTom Musta <tommusta@gmail.com>2013-11-01 08:21:12 -0500
committerAlexander Graf <agraf@suse.de>2013-12-20 01:57:53 +0100
commitfa1832d7e2fccfe3ea55d2885c023daa285342d4 (patch)
tree4c55e3538440d89ca928740c5963b7a15040632b /target-ppc
parentcd73f2c992765141b3497551ebdf841b26c238ca (diff)
Add lxsdx
This patch adds the Load VSX Scalar Doubleowrd Indexed (lxsdx) instruction. The lower 8 bytes of the target register are undefined; this implementation leaves those bytes unaltered. Signed-off-by: Tom Musta <tommusta@gmail.com> Reviewed-by: Richard Henderson <rth@twiddle.net> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Alexander Graf <agraf@suse.de>
Diffstat (limited to 'target-ppc')
-rw-r--r--target-ppc/translate.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/target-ppc/translate.c b/target-ppc/translate.c
index cf7927b440..b5b32802fb 100644
--- a/target-ppc/translate.c
+++ b/target-ppc/translate.c
@@ -7003,6 +7003,21 @@ static inline TCGv_i64 cpu_vsrl(int n)
}
}
+static void gen_lxsdx(DisasContext *ctx)
+{
+ TCGv EA;
+ if (unlikely(!ctx->vsx_enabled)) {
+ gen_exception(ctx, POWERPC_EXCP_VSXU);
+ return;
+ }
+ gen_set_access_type(ctx, ACCESS_INT);
+ EA = tcg_temp_new();
+ gen_addr_reg_index(ctx, EA);
+ gen_qemu_ld64(ctx, cpu_vsrh(xT(ctx->opcode)), EA);
+ /* NOTE: cpu_vsrl is undefined */
+ tcg_temp_free(EA);
+}
+
static void gen_lxvd2x(DisasContext *ctx)
{
TCGv EA;
@@ -9502,6 +9517,7 @@ GEN_VAFORM_PAIRED(vmsumshm, vmsumshs, 20),
GEN_VAFORM_PAIRED(vsel, vperm, 21),
GEN_VAFORM_PAIRED(vmaddfp, vnmsubfp, 23),
+GEN_HANDLER_E(lxsdx, 0x1F, 0x0C, 0x12, 0, PPC_NONE, PPC2_VSX),
GEN_HANDLER_E(lxvd2x, 0x1F, 0x0C, 0x1A, 0, PPC_NONE, PPC2_VSX),
GEN_HANDLER_E(stxvd2x, 0x1F, 0xC, 0x1E, 0, PPC_NONE, PPC2_VSX),