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tcg/sparc: Use the constant pool for 64-bit constants

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Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2021-08-05 04:34:20 +03:00
parent 6a6bfa3c60
commit c834b8d81b
1 changed files with 15 additions and 0 deletions
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15
tcg/sparc/tcg-target.c.inc
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@ -336,6 +336,13 @@ static bool patch_reloc(tcg_insn_unit *src_rw, int type,
insn &= ~INSN_OFF19(-1); insn &= ~INSN_OFF19(-1);
insn |= INSN_OFF19(pcrel); insn |= INSN_OFF19(pcrel);
break; break;
case R_SPARC_13:
if (!check_fit_ptr(value, 13)) {
return false;
}
insn &= ~INSN_IMM13(-1);
insn |= INSN_IMM13(value);
break;
default: default:
g_assert_not_reached(); g_assert_not_reached();
} }
@ -479,6 +486,14 @@ static void tcg_out_movi_int(TCGContext *s, TCGType type, TCGReg ret,
return; return;
} }
/* Use the constant pool, if possible. */
if (!in_prologue && USE_REG_TB) {
new_pool_label(s, arg, R_SPARC_13, s->code_ptr,
tcg_tbrel_diff(s, NULL));
tcg_out32(s, LDX | INSN_RD(ret) | INSN_RS1(TCG_REG_TB));
return;
}
/* A 64-bit constant decomposed into 2 32-bit pieces. */ /* A 64-bit constant decomposed into 2 32-bit pieces. */
if (check_fit_i32(lo, 13)) { if (check_fit_i32(lo, 13)) {
hi = (arg - lo) >> 32; hi = (arg - lo) >> 32;