From afae37d98ae991c0792c867dbd9f32f988044318 Mon Sep 17 00:00:00 2001 From: LemonBoy Date: Mon, 9 Nov 2020 10:17:10 +0100 Subject: ppc/translate: Implement lxvwsx opcode Implement the "Load VSX Vector Word & Splat Indexed" opcode, introduced in Power ISA v3.0. Buglink: https://bugs.launchpad.net/qemu/+bug/1793608 Signed-off-by: Giuseppe Musacchio Message-Id: Reviewed-by: Richard Henderson Signed-off-by: David Gibson --- target/ppc/translate/vsx-impl.c.inc | 30 ++++++++++++++++++++++++++++++ target/ppc/translate/vsx-ops.c.inc | 1 + 2 files changed, 31 insertions(+) diff --git a/target/ppc/translate/vsx-impl.c.inc b/target/ppc/translate/vsx-impl.c.inc index b518de46db..075f063e98 100644 --- a/target/ppc/translate/vsx-impl.c.inc +++ b/target/ppc/translate/vsx-impl.c.inc @@ -139,6 +139,36 @@ static void gen_lxvw4x(DisasContext *ctx) tcg_temp_free_i64(xtl); } +static void gen_lxvwsx(DisasContext *ctx) +{ + TCGv EA; + TCGv_i32 data; + + if (xT(ctx->opcode) < 32) { + if (unlikely(!ctx->vsx_enabled)) { + gen_exception(ctx, POWERPC_EXCP_VSXU); + return; + } + } else { + if (unlikely(!ctx->altivec_enabled)) { + gen_exception(ctx, POWERPC_EXCP_VPU); + return; + } + } + + gen_set_access_type(ctx, ACCESS_INT); + EA = tcg_temp_new(); + + gen_addr_reg_index(ctx, EA); + + data = tcg_temp_new_i32(); + tcg_gen_qemu_ld_i32(data, EA, ctx->mem_idx, MO_TEUL); + tcg_gen_gvec_dup_i32(MO_UL, vsr_full_offset(xT(ctx->opcode)), 16, 16, data); + + tcg_temp_free(EA); + tcg_temp_free_i32(data); +} + static void gen_bswap16x8(TCGv_i64 outh, TCGv_i64 outl, TCGv_i64 inh, TCGv_i64 inl) { diff --git a/target/ppc/translate/vsx-ops.c.inc b/target/ppc/translate/vsx-ops.c.inc index 7fd3942b84..1d41beef26 100644 --- a/target/ppc/translate/vsx-ops.c.inc +++ b/target/ppc/translate/vsx-ops.c.inc @@ -5,6 +5,7 @@ GEN_HANDLER_E(lxsibzx, 0x1F, 0x0D, 0x18, 0, PPC_NONE, PPC2_ISA300), GEN_HANDLER_E(lxsihzx, 0x1F, 0x0D, 0x19, 0, PPC_NONE, PPC2_ISA300), GEN_HANDLER_E(lxsspx, 0x1F, 0x0C, 0x10, 0, PPC_NONE, PPC2_VSX207), GEN_HANDLER_E(lxvd2x, 0x1F, 0x0C, 0x1A, 0, PPC_NONE, PPC2_VSX), +GEN_HANDLER_E(lxvwsx, 0x1F, 0x0C, 0x0B, 0, PPC_NONE, PPC2_ISA300), GEN_HANDLER_E(lxvdsx, 0x1F, 0x0C, 0x0A, 0, PPC_NONE, PPC2_VSX), GEN_HANDLER_E(lxvw4x, 0x1F, 0x0C, 0x18, 0, PPC_NONE, PPC2_VSX), GEN_HANDLER_E(lxvh8x, 0x1F, 0x0C, 0x19, 0, PPC_NONE, PPC2_ISA300), -- cgit v1.2.3