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| author | Tom Musta <tommusta@gmail.com> | 2013-10-22 22:09:35 +1100 |
|---|---|---|
| committer | Alexander Graf <agraf@suse.de> | 2013-12-20 01:57:52 +0100 |
| commit | cd73f2c992765141b3497551ebdf841b26c238ca (patch) | |
| tree | 553cf77dea4a84d34ba4ed9427b5ddaabd406771 /target-ppc | |
| parent | fbed2478e9ba22f091e3842123252a902dc5b98d (diff) | |
| download | qemu-cd73f2c992765141b3497551ebdf841b26c238ca.tar.gz | |
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>
Diffstat (limited to 'target-ppc')
| -rw-r--r-- | target-ppc/translate.c | 41 |
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) |