Commit b006f816 authored by Peter Maydell's avatar Peter Maydell
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Merge remote-tracking branch 'remotes/rth/tags/tcg-sparc-pull-20140428' into staging 



TCG sparc backend update for 20140428

# gpg: Signature made Mon 28 Apr 2014 19:36:55 BST using RSA key ID 4DD0279B
# gpg: Can't check signature: public key not found

* remotes/rth/tags/tcg-sparc-pull-20140428:
  tcg-sparc: Accept stores of zero
  tcg-sparc: Fix small 32-bit movi
  tcg-sparc: Fixup function argument types
  tcg-sparc: Hoist common argument loads in tcg_out_op
  tcg-sparc: Don't handle mov/movi in tcg_out_op
  tcg-sparc: Tidy check_fit_* tests
  tcg-sparc: Implement muls2_i32
  tcg-sparc: Use the RETURN instruction
  tcg-sparc: Use 64-bit registers with sparcv8plus
  tcg-sparc: Support trunc_shr_i32
  tcg-sparc: Remove most uses of TCG_TARGET_REG_BITS
  tcg: Add INDEX_op_trunc_shr_i32
  tcg: Fix missed pointer size != TCG_TARGET_REG_BITS changes

Signed-off-by: default avatarPeter Maydell <peter.maydell@linaro.org>
parents e2da502c ebd0c614

include/exec/def-helper.h

+1 −1
Original line number Diff line number Diff line
@@ -84,7 +84,7 @@ 
#define dh_is_64bit_noreturn 0

#define dh_is_64bit_i32 0

#define dh_is_64bit_i64 1

#define dh_is_64bit_ptr (TCG_TARGET_REG_BITS == 64)

#define dh_is_64bit_ptr (sizeof(void *) == 8)

#define dh_is_64bit(t) glue(dh_is_64bit_, dh_alias(t))



#define dh_is_signed_void 0

tcg/README

+5 −0
Original line number Diff line number Diff line
@@ -314,6 +314,11 @@ This operation would be equivalent to 


  dest = (t1 & ~0x0f00) | ((t2 << 8) & 0x0f00)



* trunc_shr_i32 t0, t1, pos



For 64-bit hosts only, right shift the 64-bit input T1 by POS and

truncate to 32-bit output T0.  Depending on the host, this may be

a simple mov/shift, or may require additional canonicalization.



********* Conditional moves

tcg/aarch64/tcg-target.h

+1 −0
Original line number Diff line number Diff line
@@ -68,6 +68,7 @@ typedef enum { 
#define TCG_TARGET_HAS_muls2_i32        0

#define TCG_TARGET_HAS_muluh_i32        0

#define TCG_TARGET_HAS_mulsh_i32        0

#define TCG_TARGET_HAS_trunc_shr_i32    0



#define TCG_TARGET_HAS_div_i64          1

#define TCG_TARGET_HAS_rem_i64          1

tcg/i386/tcg-target.h

+1 −0
Original line number Diff line number Diff line
@@ -99,6 +99,7 @@ extern bool have_bmi1; 
#define TCG_TARGET_HAS_mulsh_i32        0



#if TCG_TARGET_REG_BITS == 64

#define TCG_TARGET_HAS_trunc_shr_i32    0

#define TCG_TARGET_HAS_div2_i64         1

#define TCG_TARGET_HAS_rot_i64          1

#define TCG_TARGET_HAS_ext8s_i64        1

tcg/ia64/tcg-target.h

+1 −0
Original line number Diff line number Diff line
@@ -152,6 +152,7 @@ typedef enum { 
#define TCG_TARGET_HAS_muluh_i64        0

#define TCG_TARGET_HAS_mulsh_i32        0

#define TCG_TARGET_HAS_mulsh_i64        0

#define TCG_TARGET_HAS_trunc_shr_i32    0



#define TCG_TARGET_HAS_new_ldst         1