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[Qemu-devel] [PATCH v5 8/9] target-ppc: add lxvb16x instruction
From: |
Nikunj A Dadhania |
Subject: |
[Qemu-devel] [PATCH v5 8/9] target-ppc: add lxvb16x instruction |
Date: |
Thu, 29 Sep 2016 00:11:59 +0530 |
lxvb16x: Load VSX Vector Byte*16
Little/Big-endian Storage
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
|F0|F1|F2|F3|F4|F5|F6|F7|E0|E1|E2|E3|E4|E5|E6|E7|
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
Vector load results in:
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
|F0|F1|F2|F3|F4|F5|F6|F7|E0|E1|E2|E3|E4|E5|E6|E7|
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
Signed-off-by: Nikunj A Dadhania <address@hidden>
Reviewed-by: Richard Henderson <address@hidden>
---
target-ppc/translate/vsx-impl.inc.c | 19 +++++++++++++++++++
target-ppc/translate/vsx-ops.inc.c | 1 +
2 files changed, 20 insertions(+)
diff --git a/target-ppc/translate/vsx-impl.inc.c
b/target-ppc/translate/vsx-impl.inc.c
index e762c0a..40fba6e 100644
--- a/target-ppc/translate/vsx-impl.inc.c
+++ b/target-ppc/translate/vsx-impl.inc.c
@@ -155,6 +155,25 @@ static void gen_lxvh8x(DisasContext *ctx)
tcg_temp_free(EA);
}
+static void gen_lxvb16x(DisasContext *ctx)
+{
+ TCGv EA;
+ TCGv_i64 xth = cpu_vsrh(xT(ctx->opcode));
+ TCGv_i64 xtl = cpu_vsrl(xT(ctx->opcode));
+
+ 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);
+ tcg_gen_qemu_ld_i64(xth, EA, ctx->mem_idx, MO_BEQ);
+ tcg_gen_addi_tl(EA, EA, 8);
+ tcg_gen_qemu_ld_i64(xtl, EA, ctx->mem_idx, MO_BEQ);
+ tcg_temp_free(EA);
+}
+
#define VSX_STORE_SCALAR(name, operation) \
static void gen_##name(DisasContext *ctx) \
{ \
diff --git a/target-ppc/translate/vsx-ops.inc.c
b/target-ppc/translate/vsx-ops.inc.c
index 17975ec..3274859 100644
--- a/target-ppc/translate/vsx-ops.inc.c
+++ b/target-ppc/translate/vsx-ops.inc.c
@@ -8,6 +8,7 @@ GEN_HANDLER_E(lxvd2x, 0x1F, 0x0C, 0x1A, 0, PPC_NONE, PPC2_VSX),
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),
+GEN_HANDLER_E(lxvb16x, 0x1F, 0x0C, 0x1B, 0, PPC_NONE, PPC2_ISA300),
GEN_HANDLER_E(stxsdx, 0x1F, 0xC, 0x16, 0, PPC_NONE, PPC2_VSX),
GEN_HANDLER_E(stxsibx, 0x1F, 0xD, 0x1C, 0, PPC_NONE, PPC2_ISA300),
--
2.7.4
- Re: [Qemu-devel] [PATCH v5 3/9] target-ppc: Implement mtvsrws instruction, (continued)
- [Qemu-devel] [PATCH v5 5/9] target-ppc: improve stxvw4x implementation, Nikunj A Dadhania, 2016/09/28
- [Qemu-devel] [PATCH v5 4/9] target-ppc: improve lxvw4x implementation, Nikunj A Dadhania, 2016/09/28
- [Qemu-devel] [PATCH v5 2/9] target-ppc: Implement mtvsrdd instruction, Nikunj A Dadhania, 2016/09/28
- [Qemu-devel] [PATCH v5 7/9] target-ppc: add stxvh8x instruction, Nikunj A Dadhania, 2016/09/28
- [Qemu-devel] [PATCH v5 1/9] target-ppc: Implement mfvsrld instruction, Nikunj A Dadhania, 2016/09/28
- [Qemu-devel] [PATCH v5 6/9] target-ppc: add lxvh8x instruction, Nikunj A Dadhania, 2016/09/28
- [Qemu-devel] [PATCH v5 8/9] target-ppc: add lxvb16x instruction,
Nikunj A Dadhania <=
- [Qemu-devel] [PATCH v5 9/9] target-ppc: add stxvb16x instruction, Nikunj A Dadhania, 2016/09/28
- Re: [Qemu-devel] [PATCH v5 0/9] POWER9 TCG enablements - part4, David Gibson, 2016/09/28