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tcg-target.c 61.1 kB
tcg-target.h 4 kB

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# Date Author Comment
5b9f72ab 07/09/2013 05:14 pm Richard Henderson

tcg-ppc64: Don't implement rem

Reviewed-by: Andreas Färber <>
Signed-off-by: Richard Henderson <>
ca675f46 07/09/2013 05:14 pm Richard Henderson

tcg: Split rem requirement from div requirement

There are several hosts with only a "div" insn. Remainder is computed
manually from the quotient and inputs. We can do this generically.

Reviewed-by: Peter Maydell <>
Signed-off-by: Richard Henderson <>
82e0f917 06/17/2013 08:42 pm Anton Blanchard

tcg-ppc64: bswap64 rotates output 32 bits

If our input and output is in the same register, bswap64 tries to
undo a rotate of the input. This just ends up rotating the output.

Cc:
Signed-off-by: Anton Blanchard <>
Signed-off-by: Richard Henderson <>
84247357 06/17/2013 08:42 pm Anton Blanchard

tcg-ppc64: Fix add2_i64

add2_i64 was adding the lower double word to the upper double word
of each input. Fix this so we add the lower double words, then the
upper double words with carry propagation.

Cc:
Signed-off-by: Anton Blanchard <>...
d1bdd3af 06/17/2013 08:42 pm Anton Blanchard

tcg-ppc64: rotr_i32 rotates wrong amount

rotr_i32 calculates the amount to left shift and puts it into a
temporary, but then doesn't use it when doing the shift.

Cc:
Signed-off-by: Anton Blanchard <>
Signed-off-by: Richard Henderson <>
8a94cfb0 06/17/2013 08:41 pm Anton Blanchard

tcg-ppc64: Fix RLDCL opcode

The rldcl instruction doesn't have an sh field, so the minor opcode
is shifted 1 bit. We were using the XO30 macro which shifted the
minor opcode 2 bits.

Remove XO30 and add MD30 and MDS30 macros which match the
Power ISA categories....
39dc85b9 04/15/2013 09:09 pm Richard Henderson

tcg-ppc64: Handle deposit of zero

The TCG optimizer does great work when inserting constants, being able
to fold the open-coded deposit expansion to just an AND or an OR. Avoid
a bit the regression caused by having the deposit opcode by expanding
deposit of zero as an AND....
1e6e9aca 04/15/2013 09:09 pm Richard Henderson

tcg-ppc64: Use getauxval for ISA detection

Glibc 2.16 includes an easy way to get feature bits previously
buried in /proc or the program startup auxiliary vector. Use it.

Reviewed-by: Aurelien Jarno <>
Signed-off-by: Richard Henderson <>
6c858762 04/15/2013 09:09 pm Richard Henderson

tcg-ppc64: Implement add2/sub2_i64

Reviewed-by: Aurelien Jarno <>
Signed-off-by: Richard Henderson <>
6645c147 04/15/2013 09:09 pm Richard Henderson

tcg-ppc64: Implement mulu2/muls2_i64

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

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