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| author | Nikunj A Dadhania | 2017-01-06 07:14:44 +0100 |
|---|---|---|
| committer | David Gibson | 2017-01-31 00:10:13 +0100 |
| commit | 3398b7428ba3964f6150590cde46d45c68d2fc25 (patch) | |
| tree | cd08080d18dd0c742f9ad1a64677815a924672c7 | |
| parent | target-ppc: Add xxextractuw instruction (diff) | |
| download | qemu-3398b7428ba3964f6150590cde46d45c68d2fc25.tar.gz qemu-3398b7428ba3964f6150590cde46d45c68d2fc25.tar.xz qemu-3398b7428ba3964f6150590cde46d45c68d2fc25.zip | |
target-ppc: Add xxinsertw instruction
xxinsertw: VSX Vector Insert Word
Signed-off-by: Nikunj A Dadhania <nikunj@linux.vnet.ibm.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
| -rw-r--r-- | target/ppc/helper.h | 1 | ||||
| -rw-r--r-- | target/ppc/int_helper.c | 25 | ||||
| -rw-r--r-- | target/ppc/translate/vsx-impl.inc.c | 5 | ||||
| -rw-r--r-- | target/ppc/translate/vsx-ops.inc.c | 1 |
4 files changed, 30 insertions, 2 deletions
diff --git a/target/ppc/helper.h b/target/ppc/helper.h index ead799c811..a4504eb342 100644 --- a/target/ppc/helper.h +++ b/target/ppc/helper.h @@ -536,6 +536,7 @@ DEF_HELPER_2(xvrspiz, void, env, i32) DEF_HELPER_2(xxperm, void, env, i32) DEF_HELPER_2(xxpermr, void, env, i32) DEF_HELPER_4(xxextractuw, void, env, tl, tl, i32) +DEF_HELPER_4(xxinsertw, void, env, tl, tl, i32) DEF_HELPER_2(efscfsi, i32, env, i32) DEF_HELPER_2(efscfui, i32, env, i32) diff --git a/target/ppc/int_helper.c b/target/ppc/int_helper.c index 07832baff0..81f134bc4b 100644 --- a/target/ppc/int_helper.c +++ b/target/ppc/int_helper.c @@ -2027,6 +2027,31 @@ void helper_xxextractuw(CPUPPCState *env, target_ulong xtn, putVSR(xtn, &xt, env); } +void helper_xxinsertw(CPUPPCState *env, target_ulong xtn, + target_ulong xbn, uint32_t index) +{ + ppc_vsr_t xt, xb; + size_t es = sizeof(uint32_t); + int ins_index, i = 0; + + getVSR(xbn, &xb, env); + getVSR(xtn, &xt, env); + +#if defined(HOST_WORDS_BIGENDIAN) + ins_index = index; + for (i = 0; i < es && ins_index < 16; i++, ins_index++) { + xt.u8[ins_index] = xb.u8[8 - es + i]; + } +#else + ins_index = 15 - index; + for (i = es - 1; i >= 0 && ins_index >= 0; i--, ins_index--) { + xt.u8[ins_index] = xb.u8[8 + i]; + } +#endif + + putVSR(xtn, &xt, env); +} + #define VEXT_SIGNED(name, element, mask, cast, recast) \ void helper_##name(ppc_avr_t *r, ppc_avr_t *b) \ { \ diff --git a/target/ppc/translate/vsx-impl.inc.c b/target/ppc/translate/vsx-impl.inc.c index 7977f24e81..c9ba0f50e3 100644 --- a/target/ppc/translate/vsx-impl.inc.c +++ b/target/ppc/translate/vsx-impl.inc.c @@ -1180,7 +1180,7 @@ static void gen_xxsldwi(DisasContext *ctx) tcg_temp_free_i64(xtl); } -#define VSX_EXTRACT(name) \ +#define VSX_EXTRACT_INSERT(name) \ static void gen_##name(DisasContext *ctx) \ { \ TCGv xt, xb; \ @@ -1208,7 +1208,8 @@ static void gen_##name(DisasContext *ctx) \ tcg_temp_free_i32(t0); \ } -VSX_EXTRACT(xxextractuw) +VSX_EXTRACT_INSERT(xxextractuw) +VSX_EXTRACT_INSERT(xxinsertw) #undef GEN_XX2FORM #undef GEN_XX3FORM diff --git a/target/ppc/translate/vsx-ops.inc.c b/target/ppc/translate/vsx-ops.inc.c index 473d9253a1..096d358ed3 100644 --- a/target/ppc/translate/vsx-ops.inc.c +++ b/target/ppc/translate/vsx-ops.inc.c @@ -285,6 +285,7 @@ GEN_XX2FORM(xxspltw, 0x08, 0x0A, PPC2_VSX), GEN_XX1FORM(xxspltib, 0x08, 0x0B, PPC2_ISA300), GEN_XX3FORM_DM(xxsldwi, 0x08, 0x00), GEN_XX2FORM_EXT(xxextractuw, 0x0A, 0x0A, PPC2_ISA300), +GEN_XX2FORM_EXT(xxinsertw, 0x0A, 0x0B, PPC2_ISA300), #define GEN_XXSEL_ROW(opc3) \ GEN_HANDLER2_E(xxsel, "xxsel", 0x3C, 0x18, opc3, 0, PPC_NONE, PPC2_VSX), \ |