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[Qemu-devel] [PATCH v3 06/16] tcg/arm: Fold away "noaddr" branch routine
From: |
Richard Henderson |
Subject: |
[Qemu-devel] [PATCH v3 06/16] tcg/arm: Fold away "noaddr" branch routines |
Date: |
Fri, 30 Nov 2018 13:52:11 -0800 |
There are one use apiece for these. There is no longer a need for
preserving branch offset operands, as we no longer re-translate.
Signed-off-by: Richard Henderson <address@hidden>
---
tcg/arm/tcg-target.inc.c | 22 +++-------------------
1 file changed, 3 insertions(+), 19 deletions(-)
diff --git a/tcg/arm/tcg-target.inc.c b/tcg/arm/tcg-target.inc.c
index 1142eb13ad..1651f00281 100644
--- a/tcg/arm/tcg-target.inc.c
+++ b/tcg/arm/tcg-target.inc.c
@@ -366,22 +366,6 @@ static inline void tcg_out_b(TCGContext *s, int cond,
int32_t offset)
(((offset - 8) >> 2) & 0x00ffffff));
}
-static inline void tcg_out_b_noaddr(TCGContext *s, int cond)
-{
- /* We pay attention here to not modify the branch target by masking
- the corresponding bytes. This ensure that caches and memory are
- kept coherent during retranslation. */
- tcg_out32(s, deposit32(*s->code_ptr, 24, 8, (cond << 4) | 0x0a));
-}
-
-static inline void tcg_out_bl_noaddr(TCGContext *s, int cond)
-{
- /* We pay attention here to not modify the branch target by masking
- the corresponding bytes. This ensure that caches and memory are
- kept coherent during retranslation. */
- tcg_out32(s, deposit32(*s->code_ptr, 24, 8, (cond << 4) | 0x0b));
-}
-
static inline void tcg_out_bl(TCGContext *s, int cond, int32_t offset)
{
tcg_out32(s, (cond << 28) | 0x0b000000 |
@@ -1082,7 +1066,7 @@ static inline void tcg_out_goto_label(TCGContext *s, int
cond, TCGLabel *l)
tcg_out_goto(s, cond, l->u.value_ptr);
} else {
tcg_out_reloc(s, s->code_ptr, R_ARM_PC24, l, 0);
- tcg_out_b_noaddr(s, cond);
+ tcg_out_b(s, cond, 0);
}
}
@@ -1628,7 +1612,7 @@ static void tcg_out_qemu_ld(TCGContext *s, const TCGArg
*args, bool is64)
/* This a conditional BL only to load a pointer within this opcode into LR
for the slow path. We will not be using the value for a tail call. */
label_ptr = s->code_ptr;
- tcg_out_bl_noaddr(s, COND_NE);
+ tcg_out_bl(s, COND_NE, 0);
tcg_out_qemu_ld_index(s, opc, datalo, datahi, addrlo, addend);
@@ -1760,7 +1744,7 @@ static void tcg_out_qemu_st(TCGContext *s, const TCGArg
*args, bool is64)
/* The conditional call must come last, as we're going to return here. */
label_ptr = s->code_ptr;
- tcg_out_bl_noaddr(s, COND_NE);
+ tcg_out_bl(s, COND_NE, 0);
add_qemu_ldst_label(s, false, oi, datalo, datahi, addrlo, addrhi,
s->code_ptr, label_ptr);
--
2.17.2
- [Qemu-devel] [PATCH v3 00/16] tcg: Assorted cleanups, Richard Henderson, 2018/11/30
- [Qemu-devel] [PATCH v3 01/16] tcg/i386: Always use %ebp for TCG_AREG0, Richard Henderson, 2018/11/30
- [Qemu-devel] [PATCH v3 02/16] tcg/i386: Move TCG_REG_CALL_STACK from define to enum, Richard Henderson, 2018/11/30
- [Qemu-devel] [PATCH v3 03/16] tcg/aarch64: Remove reloc_pc26_atomic, Richard Henderson, 2018/11/30
- [Qemu-devel] [PATCH v3 04/16] tcg/aarch64: Fold away "noaddr" branch routines, Richard Henderson, 2018/11/30
- [Qemu-devel] [PATCH v3 05/16] tcg/arm: Remove reloc_pc24_atomic, Richard Henderson, 2018/11/30
- [Qemu-devel] [PATCH v3 06/16] tcg/arm: Fold away "noaddr" branch routines,
Richard Henderson <=
- [Qemu-devel] [PATCH v3 08/16] tcg/s390: Remove retranslation code, Richard Henderson, 2018/11/30
- [Qemu-devel] [PATCH v3 07/16] tcg/ppc: Fold away "noaddr" branch routines, Richard Henderson, 2018/11/30
- [Qemu-devel] [PATCH v3 09/16] tcg/sparc: Remove retranslation code, Richard Henderson, 2018/11/30
- [Qemu-devel] [PATCH v3 10/16] tcg/mips: Remove retranslation code, Richard Henderson, 2018/11/30
- [Qemu-devel] [PATCH v3 11/16] tcg: Return success from patch_reloc, Richard Henderson, 2018/11/30
- [Qemu-devel] [PATCH v3 12/16] tcg/i386: Return false on failure from patch_reloc, Richard Henderson, 2018/11/30
- [Qemu-devel] [PATCH v3 13/16] tcg/aarch64: Return false on failure from patch_reloc, Richard Henderson, 2018/11/30
- [Qemu-devel] [PATCH v3 14/16] tcg/arm: Return false on failure from patch_reloc, Richard Henderson, 2018/11/30
- [Qemu-devel] [PATCH v3 15/16] tcg/ppc: Return false on failure from patch_reloc, Richard Henderson, 2018/11/30
- [Qemu-devel] [PATCH v3 16/16] tcg/s390x: Return false on failure from patch_reloc, Richard Henderson, 2018/11/30