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tcg-target.c 48.5 kB
tcg-target.h 4.4 kB

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# Date Author Comment
840f5861 10/01/2011 09:11 am Stefan Weil

tcg: Don't declare TCG_TARGET_REG_BITS in tcg-target.h

It is now declared for all tcg targets in tcg.h,
so the tcg target specific declarations are redundant.

Signed-off-by: Stefan Weil <>
Signed-off-by: Blue Swirl <>
26a74ae3 09/17/2011 08:55 pm Stefan Weil

tcg/sparc: Only one call output register needed for 64 bit hosts

The second register is only needed for 32 bit hosts.

Cc: Blue Swirl <>
Signed-off-by: Stefan Weil <>
Signed-off-by: Blue Swirl <>
25c4d9cc 08/21/2011 09:52 pm Richard Henderson

tcg: Always define all of the TCGOpcode enum members.

By always defining these symbols, we can eliminate a lot of ifdefs.

To allow this to be checked reliably, the semantics of the
TCG_TARGET_HAS_* macros must be changed from def/undef to true/false.
This allows even more ifdefs to be removed, converting them into...
f44c9960 06/26/2011 09:25 pm Blue Swirl

TCG/Sparc64: use stack for TCG temps

Use stack instead of temp_buf array in CPUState for TCG temps.

On Sparc64, stack pointer is not aligned but there is a fixed bias of 2047,
so don't try to enforce alignment.

Signed-off-by: Blue Swirl <>
614f104d 06/26/2011 09:25 pm Blue Swirl

Delegate setup of TCG temporaries to targets

Delegate TCG temp_buf setup to targets, so that they can use a stack
frame later instead.

Signed-off-by: Blue Swirl <>
cea5f9a2 06/26/2011 09:25 pm Blue Swirl

cpu-exec.c: avoid AREG0 use

Make functions take a parameter for CPUState instead of relying
on global env. Pass CPUState pointer to TCG prologue, which moves
it to AREG0.

Thanks to Peter Maydell and Laurent Desnogues for the ARM prologue
change.

Revert the hacks to avoid AREG0 use on Sparc hosts....
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...
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"...
355b1943 04/05/2010 02:28 am Paul Brook

Split TLB addend and target_phys_addr_t

Historically the qemu tlb "addend" field was used for both RAM and IO accesses,
so needed to be able to hold both host addresses (unsigned long) and guest
physical addresses (target_phys_addr_t). However since the introduction of...

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