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tcg-target.c 59.2 kB
tcg-target.h 2.8 kB

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# Date Author Comment
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....
24e838b7 03/24/2011 04:27 am Peter Maydell

tcg/arm: Support host code being compiled for Thumb

Although the TCG generated code is always in ARM mode, it is possible
that the host code was compiled by gcc in Thumb mode (this is often the
default for Linux distributions targeting ARM v7 only). Handle this...
56779034 01/12/2011 01:06 am Aurelien Jarno

tcg arm/mips/ia64: add a comment about retranslation and caches

Add a comment about cache coherency and retranslation, so that people
developping new targets based on existing ones are warned of the issue.

Acked-by: Edgar E. Iglesias <>...
0f11f25a 01/10/2011 08:30 am Aurelien Jarno

tcg/arm: improve constant loading

Improve constant loading in two ways:
- On all ARM versions, it's possible to load 0xffffff00 = 0x100 using
the mvn rd, #0. Fix the conditions.
 On <= ARMv6 versions, where movw and movt are not available, load the
constants using mov and orr with rotations depending on the constant...
9a3abc21 01/08/2011 05:41 pm Aurelien Jarno

tcg/arm: fix qemu_st64 for big endian targets

Due to a typo, qemu_st64 doesn't properly byteswap the 32-bit low word of
a 64 bit word before saving it. This patch fixes that.

Acked-by: Andrzej Zaborowski <>
Signed-off-by: Aurelien Jarno <>
c69806ab 01/08/2011 05:39 pm Aurelien Jarno

tcg/arm: fix branch target change during code retranslation

QEMU uses code retranslation to restore the CPU state when an exception
happens. For it to work the retranslation must not modify the generated
code. This is what is currently implemented in ARM TCG....
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"...
e23886a9 04/25/2010 06:46 am Aurelien Jarno

tcg/arm: fix condition in zero/sign extension functions

Signed-off-by: Aurelien Jarno <>

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