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From: Richard Henderson <rth@twiddle.net>
To: qemu-devel@nongnu.org
Cc: blauwirbel@gmail.com, aurelien@aurel32.net
Subject: [Qemu-devel] [PATCH 12/14] tcg-sparc: Fix small 32-bit movi
Date: Mon, 17 Mar 2014 11:37:54 -0700	[thread overview]
Message-ID: <1395081476-6038-13-git-send-email-rth@twiddle.net> (raw)
In-Reply-To: <1395081476-6038-1-git-send-email-rth@twiddle.net>

We tested imm13 before discarding garbage high bits.

Signed-off-by: Richard Henderson <rth@twiddle.net>
---
 tcg/sparc/tcg-target.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/tcg/sparc/tcg-target.c b/tcg/sparc/tcg-target.c
index d4ef0d4..6498999 100644
--- a/tcg/sparc/tcg-target.c
+++ b/tcg/sparc/tcg-target.c
@@ -426,6 +426,11 @@ static void tcg_out_movi(TCGContext *s, TCGType type,
 {
     tcg_target_long hi, lo = (int32_t)arg;
 
+    /* Make sure we test 32-bit constants for imm13 properly.  */
+    if (type == TCG_TYPE_I32) {
+        arg = lo;
+    }
+
     /* A 13-bit constant sign-extended to 64-bits.  */
     if (check_fit_tl(arg, 13)) {
         tcg_out_movi_imm13(s, ret, arg);
-- 
1.8.5.3

  parent reply	other threads:[~2014-03-17 18:38 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-03-17 18:37 [Qemu-devel] [PATCH 00/14] tcg/sparc v8plus code generation Richard Henderson
2014-03-17 18:37 ` [Qemu-devel] [PATCH 01/14] tcg: Fix missed pointer size != TCG_TARGET_REG_BITS changes Richard Henderson
2014-03-17 18:37 ` [Qemu-devel] [PATCH 02/14] tcg: Add INDEX_op_trunc_i32 Richard Henderson
2014-03-21 23:35   ` Stuart Brady
2014-03-21 23:39     ` Stuart Brady
2014-03-17 18:37 ` [Qemu-devel] [PATCH 03/14] tcg-sparc: Remove most uses of TCG_TARGET_REG_BITS Richard Henderson
2014-03-17 18:37 ` [Qemu-devel] [PATCH 04/14] tcg-sparc: Support trunc_i32 Richard Henderson
2014-03-17 18:37 ` [Qemu-devel] [PATCH 05/14] tcg-sparc: Use 64-bit registers with sparcv8plus Richard Henderson
2014-03-17 18:37 ` [Qemu-devel] [PATCH 06/14] tcg-sparc: Use the RETURN instruction Richard Henderson
2014-03-17 18:37 ` [Qemu-devel] [PATCH 07/14] tcg-sparc: Implement muls2_i32 Richard Henderson
2014-03-17 18:37 ` [Qemu-devel] [PATCH 08/14] tcg-sparc: Tidy check_fit_* tests Richard Henderson
2014-03-17 18:37 ` [Qemu-devel] [PATCH 09/14] tcg-sparc: Don't handle mov/movi in tcg_out_op Richard Henderson
2014-03-17 18:37 ` [Qemu-devel] [PATCH 10/14] tcg-sparc: Hoist common argument loads " Richard Henderson
2014-03-17 18:37 ` [Qemu-devel] [PATCH 11/14] tcg-sparc: Fixup function argument types Richard Henderson
2014-03-17 18:37 ` Richard Henderson [this message]
2014-03-17 18:37 ` [Qemu-devel] [PATCH 13/14] tcg-sparc: Fix 32-bit constant arguments tests Richard Henderson
2014-03-22  9:48   ` Stuart Brady
2014-03-22 17:08     ` Richard Henderson
2014-03-17 18:37 ` [Qemu-devel] [PATCH 14/14] tcg-sparc: Accept stores of zero Richard Henderson

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