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[PATCH] Avoid compiling fallback_casx() on platforms that don't need it
From: |
Paul Cercueil |
Subject: |
[PATCH] Avoid compiling fallback_casx() on platforms that don't need it |
Date: |
Mon, 6 Mar 2023 23:25:11 +0000 |
fallback_casx() adds an unconditional dependency of Lightning on
pthreads, even if the function is never used.
To avoid that, and only depend on pthreads when needed, protect the
_fallback_casx() function with a guard that is only defined by
platforms that need it.
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
---
lib/jit_arm-cpu.c | 2 ++
lib/jit_fallback.c | 2 ++
lib/jit_hppa-cpu.c | 2 ++
3 files changed, 6 insertions(+)
diff --git a/lib/jit_arm-cpu.c b/lib/jit_arm-cpu.c
index 6d4aa93..c75c13f 100644
--- a/lib/jit_arm-cpu.c
+++ b/lib/jit_arm-cpu.c
@@ -1190,6 +1190,8 @@ static void _vastart(jit_state_t*, jit_int32_t);
static void _vaarg(jit_state_t*, jit_int32_t, jit_int32_t);
# define patch_at(kind,jump,label) _patch_at(_jit,kind,jump,label)
static void _patch_at(jit_state_t*,jit_int32_t,jit_word_t,jit_word_t);
+
+# define NEED_FALLBACK_CASX 1
#endif
#if CODE
diff --git a/lib/jit_fallback.c b/lib/jit_fallback.c
index ecddf45..55bf7d3 100644
--- a/lib/jit_fallback.c
+++ b/lib/jit_fallback.c
@@ -188,6 +188,7 @@ _fallback_calli(jit_state_t *_jit, jit_word_t i0,
jit_word_t i1)
# endif
}
+#ifdef NEED_FALLBACK_CASX
static void
_fallback_casx(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1,
jit_int32_t r2, jit_int32_t r3, jit_word_t i0)
@@ -225,6 +226,7 @@ _fallback_casx(jit_state_t *_jit, jit_int32_t r0,
jit_int32_t r1,
if (iscasi)
jit_unget_reg(r1_reg);
}
+#endif
static void
_fallback_clo(jit_state_t *_jit, jit_int32_t r0, jit_int32_t r1)
diff --git a/lib/jit_hppa-cpu.c b/lib/jit_hppa-cpu.c
index ebb01fd..3ddf725 100644
--- a/lib/jit_hppa-cpu.c
+++ b/lib/jit_hppa-cpu.c
@@ -933,6 +933,8 @@ static void _vastart(jit_state_t*, jit_int32_t);
static void _vaarg(jit_state_t*, jit_int32_t, jit_int32_t);
#define patch_at(i,l) _patch_at(_jit,i,l)
static void _patch_at(jit_state_t*,jit_word_t,jit_word_t);
+
+# define NEED_FALLBACK_CASX 1
#endif
#if CODE
--
2.39.2
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