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[Qemu-devel] [PATCH 01/12] tcg-s390: Fix movi
From: |
Richard Henderson |
Subject: |
[Qemu-devel] [PATCH 01/12] tcg-s390: Fix movi |
Date: |
Wed, 27 Mar 2013 11:52:22 -0700 |
The code to load the high 64 bits assumed that the insn used to
load the low 64 bits zero-extended. Enforce that.
---
tcg/s390/tcg-target.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/tcg/s390/tcg-target.c b/tcg/s390/tcg-target.c
index e12a152..0132010 100644
--- a/tcg/s390/tcg-target.c
+++ b/tcg/s390/tcg-target.c
@@ -770,7 +770,7 @@ static void tcg_out_movi(TCGContext *s, TCGType type,
/* If we get here, both the high and low parts have non-zero bits. */
/* Recurse to load the lower 32-bits. */
- tcg_out_movi(s, TCG_TYPE_I32, ret, sval);
+ tcg_out_movi(s, TCG_TYPE_I64, ret, uval & 0xffffffff);
/* Insert data into the high 32-bits. */
uval = uval >> 31 >> 1;
--
1.8.1.4
- [Qemu-devel] [PATCH 00/12] tcg-s390 updates, Richard Henderson, 2013/03/27
- [Qemu-devel] [PATCH 01/12] tcg-s390: Fix movi,
Richard Henderson <=
- [Qemu-devel] [PATCH 02/12] tcg-s390: Properly allocate a stack frame., Richard Henderson, 2013/03/27
- [Qemu-devel] [PATCH 03/12] tcg-s390: Remove useless preprocessor conditions, Richard Henderson, 2013/03/27
- [Qemu-devel] [PATCH 04/12] tcg-s390: Implement add2/sub2 opcodes, Richard Henderson, 2013/03/27
- [Qemu-devel] [PATCH 05/12] tcg-s390: Implement mulu2_i64 opcode, Richard Henderson, 2013/03/27
- [Qemu-devel] [PATCH 06/12] tcg-s390: Implement movcond opcodes, Richard Henderson, 2013/03/27
- [Qemu-devel] [PATCH 07/12] tcg-s390: Implement deposit opcodes, Richard Henderson, 2013/03/27
- [Qemu-devel] [PATCH 08/12] tcg-s390: Remove constraint letters for and, Richard Henderson, 2013/03/27