motorhead/qemu
1
0
Fork 0
mirror of https://github.com/Motorhead1991/qemu.git synced 2025-08-03 15:53:54 -06:00
Code Issues Projects Releases Packages Wiki Activity Actions

tcg/sparc64: Implement CTPOP

Browse source 
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2025-04-25 12:57:11 -07:00
parent 33b6c61cce
commit 70ab4f4ed9
1 changed files with 22 additions and 5 deletions
Download patch file Download diff file Expand all files Collapse all files

27
tcg/sparc64/tcg-target.c.inc
View file

@ -210,6 +210,7 @@ static TCGReg tcg_target_call_oarg_reg(TCGCallReturnKind kind, int slot)
#define ARITH_UDIVX (INSN_OP(2) | INSN_OP3(0x0d))
#define ARITH_SDIVX (INSN_OP(2) | INSN_OP3(0x2d))
#define ARITH_MOVCC (INSN_OP(2) | INSN_OP3(0x2c))
#define ARITH_POPC (INSN_OP(2) | INSN_OP3(0x2e))
#define ARITH_MOVR (INSN_OP(2) | INSN_OP3(0x2f))
#define ARITH_ADDXC (INSN_OP(2) | INSN_OP3(0x36) | INSN_OPF(0x11))
@ -274,6 +275,7 @@ static TCGReg tcg_target_call_oarg_reg(TCGCallReturnKind kind, int slot)
#define STW_LE (STWA | INSN_ASI(ASI_PRIMARY_LITTLE))
#define STX_LE (STXA | INSN_ASI(ASI_PRIMARY_LITTLE))
static bool use_popc_instructions;
#if defined(__VIS__) && __VIS__ >= 0x300
#define use_vis3_instructions 1
#else
@ -1511,8 +1513,23 @@ static const TCGOutOpBinary outop_clz = {
.base.static_constraint = C_NotImplemented,
};
static void tgen_ctpop(TCGContext *s, TCGType type, TCGReg a0, TCGReg a1)
{
tcg_out_arith(s, a0, TCG_REG_G0, a1, ARITH_POPC);
}
static TCGConstraintSetIndex cset_ctpop(TCGType type, unsigned flags)
{
if (use_popc_instructions && type == TCG_TYPE_I64) {
return C_O1_I1(r, r);
}
return C_NotImplemented;
}
static const TCGOutOpUnary outop_ctpop = {
.base.static_constraint = C_NotImplemented,
.base.static_constraint = C_Dynamic,
.base.dynamic_constraint = cset_ctpop,
.out_rr = tgen_ctpop,
};
static const TCGOutOpBinary outop_ctz = {
@ -2084,15 +2101,15 @@ tcg_target_op_def(TCGOpcode op, TCGType type, unsigned flags)
static void tcg_target_init(TCGContext *s)
{
unsigned long hwcap = qemu_getauxval(AT_HWCAP);
/*
* Only probe for the platform and capabilities if we haven't already
* determined maximum values at compile time.
*/
use_popc_instructions = (hwcap & HWCAP_SPARC_POPC) != 0;
#ifndef use_vis3_instructions
{
unsigned long hwcap = qemu_getauxval(AT_HWCAP);
use_vis3_instructions = (hwcap & HWCAP_SPARC_VIS3) != 0;
}
use_vis3_instructions = (hwcap & HWCAP_SPARC_VIS3) != 0;
#endif
tcg_target_available_regs[TCG_TYPE_I32] = ALL_GENERAL_REGS;