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tcg: Relax requirement for mulu2_i32 on 32-bit hosts 

Instead require either mulu2_i32 or muluh_i32.  The code in tcg-op.h
already supports looking for both.  Previous incomplete conversion?

Signed-off-by: Richard Henderson <rth@twiddle.net>
This commit is contained in:
Richard Henderson 2014-03-26 10:59:14 -07:00
parent 671c835b7d
commit df9ebea53e
5 changed files with 12 additions and 1 deletions
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1
tcg/arm/tcg-target.h
View File

@ -79,6 +79,7 @@ extern bool use_idiv_instructions;
#define TCG_TARGET_HAS_nor_i32 0
#define TCG_TARGET_HAS_deposit_i32 1
#define TCG_TARGET_HAS_movcond_i32 1
#define TCG_TARGET_HAS_mulu2_i32 1
#define TCG_TARGET_HAS_muls2_i32 1
#define TCG_TARGET_HAS_muluh_i32 0
#define TCG_TARGET_HAS_mulsh_i32 0

1
tcg/mips/tcg-target.h
View File

@ -109,6 +109,7 @@ extern bool use_mips32r2_instructions;
#define TCG_TARGET_HAS_orc_i32 0
#define TCG_TARGET_HAS_eqv_i32 0
#define TCG_TARGET_HAS_nand_i32 0
#define TCG_TARGET_HAS_mulu2_i32 1
#define TCG_TARGET_HAS_muls2_i32 1
#define TCG_TARGET_HAS_muluh_i32 1
#define TCG_TARGET_HAS_mulsh_i32 1

1
tcg/ppc/tcg-target.h
View File

@ -95,6 +95,7 @@ typedef enum {
#define TCG_TARGET_HAS_nor_i32 1
#define TCG_TARGET_HAS_deposit_i32 1
#define TCG_TARGET_HAS_movcond_i32 1
#define TCG_TARGET_HAS_mulu2_i32 1
#define TCG_TARGET_HAS_muls2_i32 0
#define TCG_TARGET_HAS_muluh_i32 0
#define TCG_TARGET_HAS_mulsh_i32 0

8
tcg/tcg.h
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@ -97,7 +97,6 @@ typedef uint64_t TCGRegSet;
/* Turn some undef macros into true macros. */
#define TCG_TARGET_HAS_add2_i32 1
#define TCG_TARGET_HAS_sub2_i32 1
#define TCG_TARGET_HAS_mulu2_i32 1
#endif
#ifndef TCG_TARGET_deposit_i32_valid
@ -121,6 +120,13 @@ typedef uint64_t TCGRegSet;
#define TCG_TARGET_HAS_rem_i64 0
#endif
/* For 32-bit targets, some sort of unsigned widening multiply is required. */
#if TCG_TARGET_REG_BITS == 32 \
&& !(defined(TCG_TARGET_HAS_mulu2_i32) \
|| defined(TCG_TARGET_HAS_muluh_i32))
# error "Missing unsigned widening multiply"
#endif
typedef enum TCGOpcode {
#define DEF(name, oargs, iargs, cargs, flags) INDEX_op_ ## name,
#include "tcg-opc.h"

2
tcg/tci/tcg-target.h
View File

@ -118,6 +118,8 @@
#define TCG_TARGET_HAS_mulu2_i64 0
#define TCG_TARGET_HAS_muluh_i64 0
#define TCG_TARGET_HAS_mulsh_i64 0
#else
#define TCG_TARGET_HAS_mulu2_i32 1
#endif /* TCG_TARGET_REG_BITS == 64 */
#define TCG_TARGET_HAS_new_ldst 0