From: Richard Henderson <richard.henderson@linaro.org>
To: qemu-devel@nongnu.org
Cc: jniethe5@gmail.com
Subject: [PATCH v4 06/13] tcg/ppc: Use ADDPCIS for the constant pool
Date: Fri, 13 Oct 2023 10:10:05 -0700 [thread overview]
Message-ID: <20231013171012.122980-7-richard.henderson@linaro.org> (raw)
In-Reply-To: <20231013171012.122980-1-richard.henderson@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
tcg/ppc/tcg-target.c.inc | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/tcg/ppc/tcg-target.c.inc b/tcg/ppc/tcg-target.c.inc
index 226b5598ac..720f92ff33 100644
--- a/tcg/ppc/tcg-target.c.inc
+++ b/tcg/ppc/tcg-target.c.inc
@@ -1081,6 +1081,12 @@ static void tcg_out_movi_int(TCGContext *s, TCGType type, TCGReg ret,
tcg_out32(s, LD | TAI(ret, TCG_REG_TB, 0));
return;
}
+ if (have_isa_3_00) {
+ tcg_out_addpcis(s, TCG_REG_TMP2, 0);
+ new_pool_label(s, arg, R_PPC_REL14, s->code_ptr, 0);
+ tcg_out32(s, LD | TAI(ret, TCG_REG_TMP2, 0));
+ return;
+ }
tmp = arg >> 31 >> 1;
tcg_out_movi(s, TCG_TYPE_I32, ret, tmp);
@@ -1138,6 +1144,10 @@ static void tcg_out_dupi_vec(TCGContext *s, TCGType type, unsigned vece,
if (USE_REG_TB) {
rel = R_PPC_ADDR16;
add = ppc_tbrel_diff(s, NULL);
+ } else if (have_isa_3_00) {
+ tcg_out_addpcis(s, TCG_REG_TMP1, 0);
+ rel = R_PPC_REL14;
+ add = 0;
} else {
rel = R_PPC_ADDR32;
add = 0;
@@ -1164,6 +1174,8 @@ static void tcg_out_dupi_vec(TCGContext *s, TCGType type, unsigned vece,
if (USE_REG_TB) {
tcg_out32(s, ADDI | TAI(TCG_REG_TMP1, 0, 0));
load_insn |= RA(TCG_REG_TB);
+ } else if (have_isa_3_00) {
+ tcg_out32(s, ADDI | TAI(TCG_REG_TMP1, TCG_REG_TMP1, 0));
} else {
tcg_out32(s, ADDIS | TAI(TCG_REG_TMP1, 0, 0));
tcg_out32(s, ADDI | TAI(TCG_REG_TMP1, TCG_REG_TMP1, 0));
--
2.34.1
next prev parent reply other threads:[~2023-10-13 17:10 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-10-13 17:09 [PATCH v4 00/13] tcg/ppc: direct branching, power9, power10 Richard Henderson
2023-10-13 17:10 ` [PATCH v4 01/13] tcg/ppc: Untabify tcg-target.c.inc Richard Henderson
2023-10-13 17:10 ` [PATCH v4 02/13] tcg/ppc: Enable direct branching tcg_out_goto_tb with TCG_REG_TB Richard Henderson
2023-10-13 17:10 ` [PATCH v4 03/13] tcg/ppc: Reinterpret tb-relative to TB+4 Richard Henderson
2023-10-13 17:10 ` [PATCH v4 04/13] tcg/ppc: Use ADDPCIS in tcg_out_tb_start Richard Henderson
2023-10-13 17:10 ` [PATCH v4 05/13] tcg/ppc: Use ADDPCIS in tcg_out_movi_int Richard Henderson
2023-10-13 17:10 ` Richard Henderson [this message]
2023-10-13 17:10 ` [PATCH v4 07/13] tcg/ppc: Use ADDPCIS in tcg_out_goto_tb Richard Henderson
2023-10-13 17:10 ` [PATCH v4 08/13] tcg/ppc: Use PADDI in tcg_out_movi Richard Henderson
2023-10-13 17:10 ` [PATCH v4 09/13] tcg/ppc: Use prefixed instructions in tcg_out_mem_long Richard Henderson
2023-10-13 17:10 ` [PATCH v4 10/13] tcg/ppc: Use PLD in tcg_out_movi for constant pool Richard Henderson
2023-10-13 17:10 ` [PATCH v4 11/13] tcg/ppc: Use prefixed instructions in tcg_out_dupi_vec Richard Henderson
2023-10-13 17:10 ` [PATCH v4 12/13] tcg/ppc: Use PLD in tcg_out_goto_tb Richard Henderson
2023-10-13 17:10 ` [PATCH v4 13/13] tcg/ppc: Disable TCG_REG_TB for Power9/Power10 Richard Henderson
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