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tcg: Split rem requirement from div requirement

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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 <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <rth@twiddle.net>
This commit is contained in:
Richard Henderson 2013-03-11 22:41:47 -07:00
parent cc7772bdbe
commit ca675f46e6
12 changed files with 50 additions and 12 deletions
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6
tcg/tci/tcg-target.h
View file

@ -59,9 +59,8 @@
#define TCG_TARGET_HAS_bswap16_i32 1
#define TCG_TARGET_HAS_bswap32_i32 1
/* Not more than one of the next two defines must be 1. */
#define TCG_TARGET_HAS_div_i32 1
#define TCG_TARGET_HAS_div2_i32 0
#define TCG_TARGET_HAS_rem_i32 1
#define TCG_TARGET_HAS_ext8s_i32 1
#define TCG_TARGET_HAS_ext16s_i32 1
#define TCG_TARGET_HAS_ext8u_i32 1
@ -83,9 +82,8 @@
#define TCG_TARGET_HAS_bswap32_i64 1
#define TCG_TARGET_HAS_bswap64_i64 1
#define TCG_TARGET_HAS_deposit_i64 1
/* Not more than one of the next two defines must be 1. */
#define TCG_TARGET_HAS_div_i64 0
#define TCG_TARGET_HAS_div2_i64 0
#define TCG_TARGET_HAS_rem_i64 0
#define TCG_TARGET_HAS_ext8s_i64 1
#define TCG_TARGET_HAS_ext16s_i64 1
#define TCG_TARGET_HAS_ext32s_i64 1