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target-ppc: implement xscpsgnqp instruction

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xscpsgnqp: VSX Scalar Copy Sign Quad-Precision

Signed-off-by: Nikunj A Dadhania <nikunj@linux.vnet.ibm.com>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Nikunj A Dadhania 2016-12-07 23:55:01 +05:30 committed by David Gibson
parent 8497d7fc69
commit 014ed3bb20
2 changed files with 12 additions and 1 deletions
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12
target/ppc/translate/vsx-impl.inc.c
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@ -612,9 +612,10 @@ VSX_SCALAR_MOVE(xscpsgndp, OP_CPSGN, SGN_MASK_DP)
#define VSX_SCALAR_MOVE_QP(name, op, sgn_mask) \
static void glue(gen_, name)(DisasContext *ctx) \
{ \
int xa; \
int xt = rD(ctx->opcode) + 32; \
int xb = rB(ctx->opcode) + 32; \
TCGv_i64 xbh, xbl, sgm; \
TCGv_i64 xah, xbh, xbl, sgm; \
\
if (unlikely(!ctx->vsx_enabled)) { \
gen_exception(ctx, POWERPC_EXCP_VSXU); \
@ -636,6 +637,14 @@ static void glue(gen_, name)(DisasContext *ctx) \
case OP_NEG: \
tcg_gen_xor_i64(xbh, xbh, sgm); \
break; \
case OP_CPSGN: \
xah = tcg_temp_new_i64(); \
xa = rA(ctx->opcode) + 32; \
tcg_gen_and_i64(xah, cpu_vsrh(xa), sgm); \
tcg_gen_andc_i64(xbh, xbh, sgm); \
tcg_gen_or_i64(xbh, xbh, xah); \
tcg_temp_free_i64(xah); \
break; \
} \
tcg_gen_mov_i64(cpu_vsrh(xt), xbh); \
tcg_gen_mov_i64(cpu_vsrl(xt), xbl); \
@ -647,6 +656,7 @@ static void glue(gen_, name)(DisasContext *ctx) \
VSX_SCALAR_MOVE_QP(xsabsqp, OP_ABS, SGN_MASK_DP)
VSX_SCALAR_MOVE_QP(xsnabsqp, OP_NABS, SGN_MASK_DP)
VSX_SCALAR_MOVE_QP(xsnegqp, OP_NEG, SGN_MASK_DP)
VSX_SCALAR_MOVE_QP(xscpsgnqp, OP_CPSGN, SGN_MASK_DP)
#define VSX_VECTOR_MOVE(name, op, sgn_mask) \
static void glue(gen_, name)(DisasContext * ctx) \

1
target/ppc/translate/vsx-ops.inc.c
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@ -99,6 +99,7 @@ GEN_XX3FORM(xscpsgndp, 0x00, 0x16, PPC2_VSX),
GEN_VSX_XFORM_300_EO(xsabsqp, 0x04, 0x19, 0x00, 0x00000001),
GEN_VSX_XFORM_300_EO(xsnabsqp, 0x04, 0x19, 0x08, 0x00000001),
GEN_VSX_XFORM_300_EO(xsnegqp, 0x04, 0x19, 0x10, 0x00000001),
GEN_VSX_XFORM_300(xscpsgnqp, 0x04, 0x03, 0x00000001),
GEN_XX2FORM(xvabsdp, 0x12, 0x1D, PPC2_VSX),
GEN_XX2FORM(xvnabsdp, 0x12, 0x1E, PPC2_VSX),