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[PULL 05/29] tcg/ppc: Use ADDPCIS in tcg_out_movi_int
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From: |
Richard Henderson |
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Subject: |
[PULL 05/29] tcg/ppc: Use ADDPCIS in tcg_out_movi_int |
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Date: |
Wed, 18 Oct 2023 15:25:33 -0700 |
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
tcg/ppc/tcg-target.c.inc | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/tcg/ppc/tcg-target.c.inc b/tcg/ppc/tcg-target.c.inc
index b0b8cd2390..226b5598ac 100644
--- a/tcg/ppc/tcg-target.c.inc
+++ b/tcg/ppc/tcg-target.c.inc
@@ -1055,6 +1055,19 @@ static void tcg_out_movi_int(TCGContext *s, TCGType
type, TCGReg ret,
return;
}
+ /* Load addresses within 2GB with 2 insns. */
+ if (have_isa_3_00) {
+ intptr_t hi = tcg_pcrel_diff(s, (void *)arg) - 4;
+ int16_t lo = hi;
+
+ hi -= lo;
+ if (hi == (int32_t)hi) {
+ tcg_out_addpcis(s, TCG_REG_TMP2, hi);
+ tcg_out32(s, ADDI | TAI(ret, TCG_REG_TMP2, lo));
+ return;
+ }
+ }
+
/* Load addresses within 2GB of TB with 2 (or rarely 3) insns. */
if (!in_prologue && USE_REG_TB && tb_diff == (int32_t)tb_diff) {
tcg_out_mem_long(s, ADDI, ADD, ret, TCG_REG_TB, tb_diff);
--
2.34.1
- [PULL 00/29] tcg patch queue, Richard Henderson, 2023/10/18
- [PULL 01/29] tcg/ppc: Untabify tcg-target.c.inc, Richard Henderson, 2023/10/18
- [PULL 02/29] tcg/ppc: Enable direct branching tcg_out_goto_tb with TCG_REG_TB, Richard Henderson, 2023/10/18
- [PULL 05/29] tcg/ppc: Use ADDPCIS in tcg_out_movi_int,
Richard Henderson <=
- [PULL 04/29] tcg/ppc: Use ADDPCIS in tcg_out_tb_start, Richard Henderson, 2023/10/18
- [PULL 03/29] tcg/ppc: Reinterpret tb-relative to TB+4, Richard Henderson, 2023/10/18
- [PULL 07/29] tcg/ppc: Use ADDPCIS in tcg_out_goto_tb, Richard Henderson, 2023/10/18
- [PULL 06/29] tcg/ppc: Use ADDPCIS for the constant pool, Richard Henderson, 2023/10/18
- [PULL 09/29] tcg/ppc: Use prefixed instructions in tcg_out_mem_long, Richard Henderson, 2023/10/18
- [PULL 08/29] tcg/ppc: Use PADDI in tcg_out_movi, Richard Henderson, 2023/10/18
- [PULL 10/29] tcg/ppc: Use PLD in tcg_out_movi for constant pool, Richard Henderson, 2023/10/18
- [PULL 11/29] tcg/ppc: Use prefixed instructions in tcg_out_dupi_vec, Richard Henderson, 2023/10/18
- [PULL 12/29] tcg/ppc: Use PLD in tcg_out_goto_tb, Richard Henderson, 2023/10/18
- [PULL 13/29] tcg/ppc: Disable TCG_REG_TB for Power9/Power10, Richard Henderson, 2023/10/18