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target/ppc: move xscvqpdp to decodetree 

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Matheus Ferst <matheus.ferst@eldorado.org.br>
Message-Id: <20211213120958.24443-5-victor.colombo@eldorado.org.br>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
This commit is contained in:
Matheus Ferst 2021-12-17 17:57:18 +01:00 committed by Cédric Le Goater
parent 38d4914c50
commit caf6f9b568
5 changed files with 21 additions and 20 deletions
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10
target/ppc/fpu_helper.c
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@ -2751,18 +2751,14 @@ VSX_CVT_FP_TO_FP_HP(xscvhpdp, 1, float16, float64, VsrH(3), VsrD(0), 1)
VSX_CVT_FP_TO_FP_HP(xvcvsphp, 4, float32, float16, VsrW(i), VsrH(2 * i + 1), 0)
VSX_CVT_FP_TO_FP_HP(xvcvhpsp, 4, float16, float32, VsrH(2 * i + 1), VsrW(i), 0)
/*
* xscvqpdp isn't using VSX_CVT_FP_TO_FP() because xscvqpdpo will be
* added to this later.
*/
void helper_xscvqpdp(CPUPPCState *env, uint32_t opcode,
ppc_vsr_t *xt, ppc_vsr_t *xb)
void helper_XSCVQPDP(CPUPPCState *env, uint32_t ro, ppc_vsr_t *xt,
ppc_vsr_t *xb)
{
ppc_vsr_t t = { };
float_status tstat;
tstat = env->fp_status;
if (unlikely(Rc(opcode) != 0)) {
if (ro != 0) {
tstat.float_rounding_mode = float_round_to_odd;
}

2
target/ppc/helper.h
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@ -411,7 +411,7 @@ DEF_HELPER_3(xscvdphp, void, env, vsr, vsr)
DEF_HELPER_4(xscvdpqp, void, env, i32, vsr, vsr)
DEF_HELPER_3(xscvdpsp, void, env, vsr, vsr)
DEF_HELPER_2(xscvdpspn, i64, env, i64)
DEF_HELPER_4(xscvqpdp, void, env, i32, vsr, vsr)
DEF_HELPER_4(XSCVQPDP, void, env, i32, vsr, vsr)
DEF_HELPER_4(xscvqpsdz, void, env, i32, vsr, vsr)
DEF_HELPER_4(xscvqpswz, void, env, i32, vsr, vsr)
DEF_HELPER_4(xscvqpudz, void, env, i32, vsr, vsr)

4
target/ppc/insn32.decode
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@ -466,3 +466,7 @@ XSMAXCDP 111100 ..... ..... ..... 10000000 ... @XX3
XSMINCDP 111100 ..... ..... ..... 10001000 ... @XX3
XSMAXJDP 111100 ..... ..... ..... 10010000 ... @XX3
XSMINJDP 111100 ..... ..... ..... 10011000 ... @XX3
## VSX Binary Floating-Point Convert Instructions
XSCVQPDP 111111 ..... 10100 ..... 1101000100 . @X_tb_rc

24
target/ppc/translate/vsx-impl.c.inc
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@ -904,22 +904,24 @@ VSX_CMP(xvcmpgesp, 0x0C, 0x0A, 0, PPC2_VSX)
VSX_CMP(xvcmpgtsp, 0x0C, 0x09, 0, PPC2_VSX)
VSX_CMP(xvcmpnesp, 0x0C, 0x0B, 0, PPC2_VSX)
static void gen_xscvqpdp(DisasContext *ctx)
static bool trans_XSCVQPDP(DisasContext *ctx, arg_X_tb_rc *a)
{
TCGv_i32 opc;
TCGv_i32 ro;
TCGv_ptr xt, xb;
if (unlikely(!ctx->vsx_enabled)) {
gen_exception(ctx, POWERPC_EXCP_VSXU);
return;
}
opc = tcg_const_i32(ctx->opcode);
xt = gen_vsr_ptr(rD(ctx->opcode) + 32);
xb = gen_vsr_ptr(rB(ctx->opcode) + 32);
gen_helper_xscvqpdp(cpu_env, opc, xt, xb);
tcg_temp_free_i32(opc);
REQUIRE_INSNS_FLAGS2(ctx, ISA300);
REQUIRE_VSX(ctx);
ro = tcg_const_i32(a->rc);
xt = gen_avr_ptr(a->rt);
xb = gen_avr_ptr(a->rb);
gen_helper_XSCVQPDP(cpu_env, ro, xt, xb);
tcg_temp_free_i32(ro);
tcg_temp_free_ptr(xt);
tcg_temp_free_ptr(xb);
return true;
}
#define GEN_VSX_HELPER_2(name, op1, op2, inval, type) \

1
target/ppc/translate/vsx-ops.c.inc
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@ -133,7 +133,6 @@ 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_VSX_XFORM_300_EO(xscvdpqp, 0x04, 0x1A, 0x16, 0x00000001),
GEN_VSX_XFORM_300_EO(xscvqpdp, 0x04, 0x1A, 0x14, 0x0),
GEN_VSX_XFORM_300_EO(xscvqpsdz, 0x04, 0x1A, 0x19, 0x00000001),
GEN_VSX_XFORM_300_EO(xscvqpswz, 0x04, 0x1A, 0x09, 0x00000001),
GEN_VSX_XFORM_300_EO(xscvqpudz, 0x04, 0x1A, 0x11, 0x00000001),