[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[PATCH v2 83/93] tcg/tci: Reserve r13 for a temporary
From: |
Richard Henderson |
Subject: |
[PATCH v2 83/93] tcg/tci: Reserve r13 for a temporary |
Date: |
Wed, 3 Feb 2021 15:55:48 -1000 |
We're about to adjust the offset range on host memory ops,
and the format of branches. Both will require a temporary.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
tcg/tci/tcg-target.h | 1 +
tcg/tci/tcg-target.c.inc | 1 +
2 files changed, 2 insertions(+)
diff --git a/tcg/tci/tcg-target.h b/tcg/tci/tcg-target.h
index 4df10e2e83..1558a6e44e 100644
--- a/tcg/tci/tcg-target.h
+++ b/tcg/tci/tcg-target.h
@@ -155,6 +155,7 @@ typedef enum {
TCG_REG_R14,
TCG_REG_R15,
+ TCG_REG_TMP = TCG_REG_R13,
TCG_AREG0 = TCG_REG_R14,
TCG_REG_CALL_STACK = TCG_REG_R15,
} TCGReg;
diff --git a/tcg/tci/tcg-target.c.inc b/tcg/tci/tcg-target.c.inc
index c2d2bd24d7..b29e75425d 100644
--- a/tcg/tci/tcg-target.c.inc
+++ b/tcg/tci/tcg-target.c.inc
@@ -829,6 +829,7 @@ static void tcg_target_init(TCGContext *s)
MAKE_64BIT_MASK(TCG_REG_R0, 64 / TCG_TARGET_REG_BITS);
s->reserved_regs = 0;
+ tcg_regset_set_reg(s->reserved_regs, TCG_REG_TMP);
tcg_regset_set_reg(s->reserved_regs, TCG_REG_CALL_STACK);
/* The call arguments come first, followed by the temp storage. */
--
2.25.1
- [PATCH v2 70/93] tcg/tci: Split out tcg_out_op_rr, (continued)
- [PATCH v2 70/93] tcg/tci: Split out tcg_out_op_rr, Richard Henderson, 2021/02/03
- [PATCH v2 76/93] tcg/tci: Split out tcg_out_op_rrrrrr, Richard Henderson, 2021/02/03
- [PATCH v2 77/93] tcg/tci: Split out tcg_out_op_rrrr, Richard Henderson, 2021/02/03
- [PATCH v2 75/93] tcg/tci: Split out tcg_out_op_rrcl, Richard Henderson, 2021/02/03
- [PATCH v2 79/93] tcg/tci: Split out tcg_out_op_{rrm,rrrm,rrrrm}, Richard Henderson, 2021/02/03
- [PATCH v2 80/93] tcg/tci: Split out tcg_out_op_v, Richard Henderson, 2021/02/03
- [PATCH v2 81/93] tcg/tci: Split out tcg_out_op_np, Richard Henderson, 2021/02/03
- [PATCH v2 82/93] tcg/tci: Split out tcg_out_op_r[iI], Richard Henderson, 2021/02/03
- [PATCH v2 83/93] tcg/tci: Reserve r13 for a temporary,
Richard Henderson <=
- [PATCH v2 84/93] tcg/tci: Emit setcond before brcond, Richard Henderson, 2021/02/03
- [PATCH v2 85/93] tcg/tci: Remove tci_write_reg, Richard Henderson, 2021/02/03
- [PATCH v2 86/93] tcg/tci: Change encoding to uint32_t units, Richard Henderson, 2021/02/03
- [PATCH v2 87/93] tcg/tci: Implement goto_ptr, Richard Henderson, 2021/02/03
- [PATCH v2 88/93] tcg/tci: Implement movcond, Richard Henderson, 2021/02/03
- [PATCH v2 89/93] tcg/tci: Implement andc, orc, eqv, nand, nor, Richard Henderson, 2021/02/03
- [PATCH v2 90/93] tcg/tci: Implement extract, sextract, Richard Henderson, 2021/02/03
- [PATCH v2 91/93] tcg/tci: Implement clz, ctz, ctpop, Richard Henderson, 2021/02/03
- [PATCH v2 92/93] tcg/tci: Implement mulu2, muls2, Richard Henderson, 2021/02/03
- [PATCH v2 93/93] tcg/tci: Implement add2, sub2, Richard Henderson, 2021/02/03