aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorTom Musta <tommusta@gmail.com>2013-10-22 22:09:35 +1100
committerAlexander Graf <agraf@suse.de>2013-12-20 01:57:52 +0100
commitcd73f2c992765141b3497551ebdf841b26c238ca (patch)
tree553cf77dea4a84d34ba4ed9427b5ddaabd406771
parentfbed2478e9ba22f091e3842123252a902dc5b98d (diff)
Add xxpermdi
This patch adds the xxpermdi instruction. The instruction uses bits 22, 23, 29 and 30 for non-opcode fields (DM, AX and BX). This results in overloading of the opcode table with aliases, which can be seen in the GEN_XX3FORM_DM macro. Signed-off-by: Tom Musta <tommusta@gmail.com> Signed-off-by: Anton Blanchard <anton@samba.org> Signed-off-by: Alexander Graf <agraf@suse.de>
-rw-r--r--target-ppc/translate.c41
1 files changed, 40 insertions, 1 deletions
diff --git a/target-ppc/translate.c b/target-ppc/translate.c
index 30dba74f42..cf7927b440 100644
--- a/target-ppc/translate.c
+++ b/target-ppc/translate.c
@@ -7035,10 +7035,28 @@ static void gen_stxvd2x(DisasContext *ctx)
tcg_temp_free(EA);
}
+static void gen_xxpermdi(DisasContext *ctx)
+{
+ if (unlikely(!ctx->vsx_enabled)) {
+ gen_exception(ctx, POWERPC_EXCP_VSXU);
+ return;
+ }
+
+ if ((DM(ctx->opcode) & 2) == 0) {
+ tcg_gen_mov_i64(cpu_vsrh(xT(ctx->opcode)), cpu_vsrh(xA(ctx->opcode)));
+ } else {
+ tcg_gen_mov_i64(cpu_vsrh(xT(ctx->opcode)), cpu_vsrl(xA(ctx->opcode)));
+ }
+ if ((DM(ctx->opcode) & 1) == 0) {
+ tcg_gen_mov_i64(cpu_vsrl(xT(ctx->opcode)), cpu_vsrh(xB(ctx->opcode)));
+ } else {
+ tcg_gen_mov_i64(cpu_vsrl(xT(ctx->opcode)), cpu_vsrl(xB(ctx->opcode)));
+ }
+}
+
/*** SPE extension ***/
/* Register moves */
-
static inline void gen_evmra(DisasContext *ctx)
{
@@ -9488,6 +9506,27 @@ GEN_HANDLER_E(lxvd2x, 0x1F, 0x0C, 0x1A, 0, PPC_NONE, PPC2_VSX),
GEN_HANDLER_E(stxvd2x, 0x1F, 0xC, 0x1E, 0, PPC_NONE, PPC2_VSX),
+#undef GEN_XX3FORM_DM
+#define GEN_XX3FORM_DM(name, opc2, opc3) \
+GEN_HANDLER2_E(name, #name, 0x3C, opc2|0x00, opc3|0x00, 0, PPC_NONE, PPC2_VSX),\
+GEN_HANDLER2_E(name, #name, 0x3C, opc2|0x01, opc3|0x00, 0, PPC_NONE, PPC2_VSX),\
+GEN_HANDLER2_E(name, #name, 0x3C, opc2|0x02, opc3|0x00, 0, PPC_NONE, PPC2_VSX),\
+GEN_HANDLER2_E(name, #name, 0x3C, opc2|0x03, opc3|0x00, 0, PPC_NONE, PPC2_VSX),\
+GEN_HANDLER2_E(name, #name, 0x3C, opc2|0x00, opc3|0x04, 0, PPC_NONE, PPC2_VSX),\
+GEN_HANDLER2_E(name, #name, 0x3C, opc2|0x01, opc3|0x04, 0, PPC_NONE, PPC2_VSX),\
+GEN_HANDLER2_E(name, #name, 0x3C, opc2|0x02, opc3|0x04, 0, PPC_NONE, PPC2_VSX),\
+GEN_HANDLER2_E(name, #name, 0x3C, opc2|0x03, opc3|0x04, 0, PPC_NONE, PPC2_VSX),\
+GEN_HANDLER2_E(name, #name, 0x3C, opc2|0x00, opc3|0x08, 0, PPC_NONE, PPC2_VSX),\
+GEN_HANDLER2_E(name, #name, 0x3C, opc2|0x01, opc3|0x08, 0, PPC_NONE, PPC2_VSX),\
+GEN_HANDLER2_E(name, #name, 0x3C, opc2|0x02, opc3|0x08, 0, PPC_NONE, PPC2_VSX),\
+GEN_HANDLER2_E(name, #name, 0x3C, opc2|0x03, opc3|0x08, 0, PPC_NONE, PPC2_VSX),\
+GEN_HANDLER2_E(name, #name, 0x3C, opc2|0x00, opc3|0x0C, 0, PPC_NONE, PPC2_VSX),\
+GEN_HANDLER2_E(name, #name, 0x3C, opc2|0x01, opc3|0x0C, 0, PPC_NONE, PPC2_VSX),\
+GEN_HANDLER2_E(name, #name, 0x3C, opc2|0x02, opc3|0x0C, 0, PPC_NONE, PPC2_VSX),\
+GEN_HANDLER2_E(name, #name, 0x3C, opc2|0x03, opc3|0x0C, 0, PPC_NONE, PPC2_VSX)
+
+GEN_XX3FORM_DM(xxpermdi, 0x08, 0x01),
+
#undef GEN_SPE
#define GEN_SPE(name0, name1, opc2, opc3, inval0, inval1, type) \
GEN_OPCODE_DUAL(name0##_##name1, 0x04, opc2, opc3, inval0, inval1, type, PPC_NONE)