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target/ppc: Implement Vector Insert from VSR using GPR index insns 

Implements the following PowerISA v3.1 instructions:
vinsbvlx: Vector Insert Byte from VSR using GPR-specified Left-Index
vinshvlx: Vector Insert Halfword from VSR using GPR-specified
          Left-Index
vinswvlx: Vector Insert Word from VSR using GPR-specified Left-Index
vinsbvrx: Vector Insert Byte from VSR using GPR-specified Right-Index
vinshvrx: Vector Insert Halfword from VSR using GPR-specified
          Right-Index
vinswvrx: Vector Insert Word from VSR using GPR-specified Right-Index

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Matheus Ferst <matheus.ferst@eldorado.org.br>
Message-Id: <20211104123719.323713-8-matheus.ferst@eldorado.org.br>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Matheus Ferst 2021-11-04 09:37:01 -03:00 committed by David Gibson
parent 23832ae6d5
commit 2c9f795841
2 changed files with 39 additions and 0 deletions
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7
target/ppc/insn32.decode
View File

@ -359,5 +359,12 @@ VINSDRX 000100 ..... ..... ..... 01111001111 @VX
VINSW 000100 ..... - .... ..... 00011001111 @VX_uim4
VINSD 000100 ..... - .... ..... 00111001111 @VX_uim4
VINSBVLX 000100 ..... ..... ..... 00000001111 @VX
VINSBVRX 000100 ..... ..... ..... 00100001111 @VX
VINSHVLX 000100 ..... ..... ..... 00001001111 @VX
VINSHVRX 000100 ..... ..... ..... 00101001111 @VX
VINSWVLX 000100 ..... ..... ..... 00010001111 @VX
VINSWVRX 000100 ..... ..... ..... 00110001111 @VX
VSLDBI 000100 ..... ..... ..... 00 ... 010110 @VN
VSRDBI 000100 ..... ..... ..... 01 ... 010110 @VN

32
target/ppc/translate/vmx-impl.c.inc
View File

@ -1260,6 +1260,20 @@ static bool do_vinsx(DisasContext *ctx, int vrt, int size, bool right, TCGv ra,
return true;
}
static bool do_vinsvx(DisasContext *ctx, int vrt, int size, bool right, TCGv ra,
int vrb, void (*gen_helper)(TCGv_ptr, TCGv_ptr, TCGv_i64, TCGv))
{
bool ok;
TCGv_i64 val;
val = tcg_temp_new_i64();
get_avr64(val, vrb, true);
ok = do_vinsx(ctx, vrt, size, right, ra, val, gen_helper);
tcg_temp_free_i64(val);
return ok;
}
static bool do_vinsx_VX(DisasContext *ctx, arg_VX *a, int size, bool right,
void (*gen_helper)(TCGv_ptr, TCGv_ptr, TCGv_i64, TCGv))
{
@ -1278,6 +1292,16 @@ static bool do_vinsx_VX(DisasContext *ctx, arg_VX *a, int size, bool right,
return ok;
}
static bool do_vinsvx_VX(DisasContext *ctx, arg_VX *a, int size, bool right,
void (*gen_helper)(TCGv_ptr, TCGv_ptr, TCGv_i64, TCGv))
{
REQUIRE_INSNS_FLAGS2(ctx, ISA310);
REQUIRE_VECTOR(ctx);
return do_vinsvx(ctx, a->vrt, size, right, cpu_gpr[a->vra], a->vrb,
gen_helper);
}
static bool do_vins_VX_uim4(DisasContext *ctx, arg_VX_uim4 *a, int size,
void (*gen_helper)(TCGv_ptr, TCGv_ptr, TCGv_i64, TCGv))
{
@ -1325,6 +1349,14 @@ TRANS(VINSDRX, do_vinsx_VX, 8, true, gen_helper_VINSDLX)
TRANS(VINSW, do_vins_VX_uim4, 4, gen_helper_VINSWLX)
TRANS(VINSD, do_vins_VX_uim4, 8, gen_helper_VINSDLX)
TRANS(VINSBVLX, do_vinsvx_VX, 1, false, gen_helper_VINSBLX)
TRANS(VINSHVLX, do_vinsvx_VX, 2, false, gen_helper_VINSHLX)
TRANS(VINSWVLX, do_vinsvx_VX, 4, false, gen_helper_VINSWLX)
TRANS(VINSBVRX, do_vinsvx_VX, 1, true, gen_helper_VINSBLX)
TRANS(VINSHVRX, do_vinsvx_VX, 2, true, gen_helper_VINSHLX)
TRANS(VINSWVRX, do_vinsvx_VX, 4, true, gen_helper_VINSWLX)
static void gen_vsldoi(DisasContext *ctx)
{
TCGv_ptr ra, rb, rd;