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tcg-ia64: Use SUB_A3 and ADDS_A4 for subtraction
authorRichard Henderson <rth@twiddle.net>
Thu, 5 Sep 2013 20:44:18 +0000 (16:44 -0400)
committerRichard Henderson <rth@twiddle.net>
Mon, 18 Nov 2013 05:57:33 +0000 (15:57 +1000)
commitf940fb086c607fcb9c98d5ce67619fc5255f6abb
tree9395eb0576fa5a6764ae7274c10286625d5345a8tree
parent8642088a3d73a599b31c6fdd1d2aa2c945d95cedcommit | diff
tcg-ia64: Use SUB_A3 and ADDS_A4 for subtraction

We can subtract from more small constants that just 0 with one insn,
and we can add the negative for most small constants.

Acked-by: Aurelien Jarno <aurelien@aurel32.net>
Signed-off-by: Richard Henderson <rth@twiddle.net>
tcg/ia64/tcg-target.c diff | blob | blame | history
Qemu copy for testing