49 lines
1.5 KiB
Diff
49 lines
1.5 KiB
Diff
From d526285d4339f02e3be64a7287d1e009dd5bff3d Mon Sep 17 00:00:00 2001
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From: Richard Henderson <rth@twiddle.net>
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Date: Sun, 25 Mar 2012 19:52:11 +0200
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Subject: [PATCH] tcg-sparc: Change AREG0 in generated code to %i0.
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We can now move the TCG variable from %g[56] to a call-preserved
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windowed register.
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Signed-off-by: Richard Henderson <rth@twiddle.net>
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Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
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---
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tcg/sparc/tcg-target.c | 3 ++-
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tcg/sparc/tcg-target.h | 8 +-------
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2 files changed, 3 insertions(+), 8 deletions(-)
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diff --git a/tcg/sparc/tcg-target.c b/tcg/sparc/tcg-target.c
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index 5acfeba..9ab5746 100644
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--- a/tcg/sparc/tcg-target.c
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+++ b/tcg/sparc/tcg-target.c
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@@ -696,7 +696,8 @@ static void tcg_target_qemu_prologue(TCGContext *s)
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tcg_out32(s, JMPL | INSN_RD(TCG_REG_G0) | INSN_RS1(TCG_REG_I1) |
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INSN_RS2(TCG_REG_G0));
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- tcg_out_mov(s, TCG_TYPE_PTR, TCG_AREG0, TCG_REG_I0);
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+ /* delay slot */
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+ tcg_out_nop(s);
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}
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#if defined(CONFIG_SOFTMMU)
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diff --git a/tcg/sparc/tcg-target.h b/tcg/sparc/tcg-target.h
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index 99e9f57..ee154d0 100644
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--- a/tcg/sparc/tcg-target.h
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+++ b/tcg/sparc/tcg-target.h
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@@ -130,13 +130,7 @@ typedef enum {
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#define TCG_TARGET_HAS_GUEST_BASE
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-#ifdef CONFIG_SOLARIS
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-#define TCG_AREG0 TCG_REG_G2
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-#elif HOST_LONG_BITS == 64
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-#define TCG_AREG0 TCG_REG_G5
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-#else
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-#define TCG_AREG0 TCG_REG_G6
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-#endif
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+#define TCG_AREG0 TCG_REG_I0
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static inline void flush_icache_range(tcg_target_ulong start,
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tcg_target_ulong stop)
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