Patchwork [PULL,2/7] tcg-i386: Add and use tcg_out64

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Submitter Richard Henderson
Date Aug. 26, 2013, 9 p.m.
Message ID <1377550812-908-3-git-send-email-rth@twiddle.net>
Download mbox | patch
Permalink /patch/269980/
State New
Headers show

Comments

Richard Henderson - Aug. 26, 2013, 9 p.m.
No point in splitting the write into 32-bit pieces.

Reviewed-by: Aurelien Jarno <aurelien@aurel32.net>
Signed-off-by: Richard Henderson <rth@twiddle.net>
---
 tcg/i386/tcg-target.c | 3 +--
 tcg/tcg.c             | 7 +++++++
 2 files changed, 8 insertions(+), 2 deletions(-)

Patch

diff --git a/tcg/i386/tcg-target.c b/tcg/i386/tcg-target.c
index 87eeab3..841bd75 100644
--- a/tcg/i386/tcg-target.c
+++ b/tcg/i386/tcg-target.c
@@ -552,8 +552,7 @@  static void tcg_out_movi(TCGContext *s, TCGType type,
         tcg_out32(s, arg);
     } else {
         tcg_out_opc(s, OPC_MOVL_Iv + P_REXW + LOWREGMASK(ret), 0, ret, 0);
-        tcg_out32(s, arg);
-        tcg_out32(s, arg >> 31 >> 1);
+        tcg_out64(s, arg);
     }
 }
 
diff --git a/tcg/tcg.c b/tcg/tcg.c
index 42c95af..19bd5a3 100644
--- a/tcg/tcg.c
+++ b/tcg/tcg.c
@@ -133,6 +133,13 @@  static inline void tcg_out32(TCGContext *s, uint32_t v)
     s->code_ptr = p + 4;
 }
 
+static inline void tcg_out64(TCGContext *s, uint64_t v)
+{
+    uint8_t *p = s->code_ptr;
+    *(uint64_t *)p = v;
+    s->code_ptr = p + 8;
+}
+
 /* label relocation processing */
 
 static void tcg_out_reloc(TCGContext *s, uint8_t *code_ptr, int type,