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[Qemu-devel] [PATCH v3 4/5] target-ppc: add lxvh8x and stxvh8x
From: |
Nikunj A Dadhania |
Subject: |
[Qemu-devel] [PATCH v3 4/5] target-ppc: add lxvh8x and stxvh8x |
Date: |
Fri, 16 Sep 2016 16:21:50 +0530 |
lxvh8x: Load VSX Vector Halfword*8
stxvh8x: Store VSX Vector Halfword*8
Signed-off-by: Nikunj A Dadhania <address@hidden>
---
target-ppc/helper.h | 1 +
target-ppc/mem_helper.c | 6 ++++
target-ppc/translate/vsx-impl.inc.c | 59 +++++++++++++++++++++++++++++++++++++
target-ppc/translate/vsx-ops.inc.c | 2 ++
4 files changed, 68 insertions(+)
diff --git a/target-ppc/helper.h b/target-ppc/helper.h
index 9f6705d..ae91c3b 100644
--- a/target-ppc/helper.h
+++ b/target-ppc/helper.h
@@ -298,6 +298,7 @@ DEF_HELPER_3(lvebx, void, env, avr, tl)
DEF_HELPER_3(lvehx, void, env, avr, tl)
DEF_HELPER_3(lvewx, void, env, avr, tl)
DEF_HELPER_1(deposit32x2, i64, i64)
+DEF_HELPER_1(bswap16x4, i64, i64)
DEF_HELPER_3(stvebx, void, env, avr, tl)
DEF_HELPER_3(stvehx, void, env, avr, tl)
DEF_HELPER_3(stvewx, void, env, avr, tl)
diff --git a/target-ppc/mem_helper.c b/target-ppc/mem_helper.c
index 86e493e..26d5617 100644
--- a/target-ppc/mem_helper.c
+++ b/target-ppc/mem_helper.c
@@ -290,6 +290,12 @@ uint64_t helper_deposit32x2(uint64_t x)
return deposit64((x >> 32), 32, 32, (x));
}
+uint64_t helper_bswap16x4(uint64_t x)
+{
+ uint64_t m = 0x00ff00ff00ff00ffull;
+ return ((x & m) << 8) | ((x >> 8) & m);
+}
+
#undef HI_IDX
#undef LO_IDX
diff --git a/target-ppc/translate/vsx-impl.inc.c
b/target-ppc/translate/vsx-impl.inc.c
index a3868f6..9e7588d 100644
--- a/target-ppc/translate/vsx-impl.inc.c
+++ b/target-ppc/translate/vsx-impl.inc.c
@@ -93,6 +93,36 @@ static void gen_lxvw4x(DisasContext *ctx)
tcg_temp_free(EA);
}
+static void gen_lxvh8x(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);
+
+ if (ctx->le_mode) {
+ tcg_gen_qemu_ld_i64(xth, EA, ctx->mem_idx, MO_BEQ);
+ gen_helper_bswap16x4(xth, xth);
+ tcg_gen_addi_tl(EA, EA, 8);
+ tcg_gen_qemu_ld_i64(xtl, EA, ctx->mem_idx, MO_BEQ);
+ gen_helper_bswap16x4(xtl, xtl);
+ } else {
+ tcg_gen_qemu_ld_i64(xth, EA, ctx->mem_idx, MO_LEQ);
+ gen_helper_deposit32x2(xth, xth);
+ tcg_gen_addi_tl(EA, EA, 8);
+ tcg_gen_qemu_ld_i64(xtl, EA, ctx->mem_idx, MO_LEQ);
+ gen_helper_deposit32x2(xtl, xtl);
+ }
+ tcg_temp_free(EA);
+}
+
#define VSX_STORE_SCALAR(name, operation) \
static void gen_##name(DisasContext *ctx) \
{ \
@@ -152,6 +182,35 @@ static void gen_stxvw4x(DisasContext *ctx)
tcg_temp_free(EA);
}
+static void gen_stxvh8x(DisasContext *ctx)
+{
+ TCGv_i64 xsh = cpu_vsrh(xS(ctx->opcode));
+ TCGv_i64 xsl = cpu_vsrl(xS(ctx->opcode));
+ 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);
+ if (ctx->le_mode) {
+ gen_helper_bswap16x4(xsh, xsh);
+ tcg_gen_qemu_st_i64(xsh, EA, ctx->mem_idx, MO_BEQ);
+ tcg_gen_addi_tl(EA, EA, 8);
+ gen_helper_bswap16x4(xsl, xsl);
+ tcg_gen_qemu_st_i64(xsl, EA, ctx->mem_idx, MO_BEQ);
+ } else {
+ gen_helper_deposit32x2(xsh, xsh);
+ tcg_gen_qemu_st_i64(xsh, EA, ctx->mem_idx, MO_LEQ);
+ tcg_gen_addi_tl(EA, EA, 8);
+ gen_helper_deposit32x2(xsl, xsl);
+ tcg_gen_qemu_st_i64(xsl, EA, ctx->mem_idx, MO_LEQ);
+ }
+ tcg_temp_free(EA);
+}
+
#define MV_VSRW(name, tcgop1, tcgop2, target, source) \
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 414b73b..21f9064 100644
--- a/target-ppc/translate/vsx-ops.inc.c
+++ b/target-ppc/translate/vsx-ops.inc.c
@@ -7,6 +7,7 @@ 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(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(stxsdx, 0x1F, 0xC, 0x16, 0, PPC_NONE, PPC2_VSX),
GEN_HANDLER_E(stxsibx, 0x1F, 0xD, 0x1C, 0, PPC_NONE, PPC2_ISA300),
@@ -15,6 +16,7 @@ GEN_HANDLER_E(stxsiwx, 0x1F, 0xC, 0x04, 0, PPC_NONE,
PPC2_VSX207),
GEN_HANDLER_E(stxsspx, 0x1F, 0xC, 0x14, 0, PPC_NONE, PPC2_VSX207),
GEN_HANDLER_E(stxvd2x, 0x1F, 0xC, 0x1E, 0, PPC_NONE, PPC2_VSX),
GEN_HANDLER_E(stxvw4x, 0x1F, 0xC, 0x1C, 0, PPC_NONE, PPC2_VSX),
+GEN_HANDLER_E(stxvh8x, 0x1F, 0x0C, 0x1D, 0, PPC_NONE, PPC2_ISA300),
GEN_HANDLER_E(mfvsrwz, 0x1F, 0x13, 0x03, 0x0000F800, PPC_NONE, PPC2_VSX207),
GEN_HANDLER_E(mtvsrwa, 0x1F, 0x13, 0x06, 0x0000F800, PPC_NONE, PPC2_VSX207),
--
2.7.4
- [Qemu-devel] [PATCH v3 2/5] target-ppc: improve lxvw4x implementation, (continued)
- [Qemu-devel] [PATCH v3 2/5] target-ppc: improve lxvw4x implementation, Nikunj A Dadhania, 2016/09/16
- Re: [Qemu-devel] [PATCH v3 2/5] target-ppc: improve lxvw4x implementation, David Gibson, 2016/09/19
- Re: [Qemu-devel] [PATCH v3 2/5] target-ppc: improve lxvw4x implementation, David Gibson, 2016/09/19
- Re: [Qemu-devel] [PATCH v3 2/5] target-ppc: improve lxvw4x implementation, Nikunj A Dadhania, 2016/09/19
- Re: [Qemu-devel] [PATCH v3 2/5] target-ppc: improve lxvw4x implementation, David Gibson, 2016/09/20
- Re: [Qemu-devel] [PATCH v3 2/5] target-ppc: improve lxvw4x implementation, Nikunj A Dadhania, 2016/09/20
- Re: [Qemu-devel] [PATCH v3 2/5] target-ppc: improve lxvw4x implementation, David Gibson, 2016/09/20
- Re: [Qemu-devel] [PATCH v3 2/5] target-ppc: improve lxvw4x implementation, Nikunj A Dadhania, 2016/09/20
- Re: [Qemu-devel] [PATCH v3 2/5] target-ppc: improve lxvw4x implementation, Nikunj A Dadhania, 2016/09/19
[Qemu-devel] [PATCH v3 3/5] target-ppc: improve stxvw4x implementation, Nikunj A Dadhania, 2016/09/16
[Qemu-devel] [PATCH v3 4/5] target-ppc: add lxvh8x and stxvh8x,
Nikunj A Dadhania <=
[Qemu-devel] [PATCH v3 5/5] target-ppc: add lxvb16x and stxvb16x, Nikunj A Dadhania, 2016/09/16
Re: [Qemu-devel] [PATCH v3 0/5] POWER9 TCG enablements - part4(pending), David Gibson, 2016/09/19