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# Date Author Comment
48bb3750 06/30/2010 12:07 am Richard Henderson

tcg-s390: new TCG Target

Original patch from Ulrich Hecht, further work from Alexander Graf
and Richard Henderson.

Cc: Ulrich Hecht <>
Cc: Alexander Graf <>
Signed-off-by: Richard Henderson <>
Signed-off-by: Aurelien Jarno <>

2bece2c8 06/16/2010 12:29 pm Richard Henderson

tcg: Optionally sign-extend 32-bit arguments for 64-bit hosts.

Some hosts (amd64, ia64) have an ABI that ignores the high bits
of the 64-bit register when passing 32-bit arguments. Others
require the value to be properly sign-extended for the type.
I.e. "int32_t" must be sign-extended and "uint32_t" must be...

1bcaae66 06/11/2010 09:46 am Richard Henderson

tcg-s390: Icache flush is a no-op.

Before gcc 4.2, builtin_clear_cache doesn't exist, and
afterward the gcc s390 backend implements it as nothing.

Signed-off-by: Richard Henderson <>
Signed-off-by: Aurelien Jarno <>

e4d58b41 06/09/2010 12:18 pm Richard Henderson

tcg: Make some tcg-target.c routines static.

Both tcg_target_init and tcg_target_qemu_prologue
are unused outside of tcg.c.

Signed-off-by: Richard Henderson <>
Signed-off-by: Aurelien Jarno <>

3b6dac34 06/09/2010 12:18 pm Richard Henderson

tcg: Add TYPE parameter to tcg_out_mov.

Mirror tcg_out_movi in having a TYPE parameter. This allows x86_64
to perform the move at the proper width, which may elide a REX prefix.

Introduce a TCG_TYPE_REG enumerator to represent the "native width"
of the host register, and to distinguish the usage from "pointer data"...

32d98fbd 03/26/2010 10:52 pm Richard Henderson

tcg: Allow target-specific implementation of NOR.

Signed-off-by: Richard Henderson <>
Signed-off-by: Aurelien Jarno <>

9940a96b 03/26/2010 10:44 pm Richard Henderson

tcg: Allow target-specific implementation of NAND.

Signed-off-by: Richard Henderson <>
Signed-off-by: Aurelien Jarno <>

8d625cf1 03/26/2010 10:42 pm Richard Henderson

tcg: Allow target-specific implementation of EQV.

Signed-off-by: Richard Henderson <>
Signed-off-by: Aurelien Jarno <>

a9751609 03/26/2010 10:28 pm Richard Henderson

tcg: Name the opcode enumeration.

Give the enumeration formed from tcg-opc.h a name: TCGOpcode.
Use that enumeration type instead of "int" whereever appropriate.

Signed-off-by: Richard Henderson <>
Signed-off-by: Aurelien Jarno <>

a63b5829 03/26/2010 09:48 pm Paolo Bonzini

remove remaining occurrences AREG[1-9] and TCG_AREG[1-9]

Signed-off-by: Paolo Bonzini <>
Signed-off-by: Aurelien Jarno <>

36828256 02/20/2010 10:35 am Richard Henderson

tcg: Add comments for all optional instructions not implemented.

Signed-off-by: Richard Henderson <>
Signed-off-by: Blue Swirl <>

2827822e 12/05/2009 06:36 pm Alexander Graf

S/390 fake TCG implementation

Qemu won't let us run a KVM target without having host TCG support. Well, for
now we don't have any so let's implement a fake target that only stubs out
everything.

I tried to keep the patch as close to Uli's source as possible, so whenever...