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| author | Andrew Cagney <cagney@redhat.com> | 1997-09-05 00:30:38 +0000 |
|---|---|---|
| committer | Andrew Cagney <cagney@redhat.com> | 1997-09-05 00:30:38 +0000 |
| commit | 30efae3acdacbd3239bd7385a5b535abf5ed23e9 (patch) | |
| tree | 4e7757304f2588b575f205ab3600c3fd05307af2 /sim/common/sim-alu.h | |
| parent | c142a1f507edd58eaa3aa708baaf7ca49a5cf031 (diff) | |
| download | fsf-binutils-gdb-30efae3acdacbd3239bd7385a5b535abf5ed23e9.zip fsf-binutils-gdb-30efae3acdacbd3239bd7385a5b535abf5ed23e9.tar.gz fsf-binutils-gdb-30efae3acdacbd3239bd7385a5b535abf5ed23e9.tar.bz2 | |
Define SIGNED64 and UNSIGNED64 macros - handle MSC/GCC LL issue.
Diffstat (limited to 'sim/common/sim-alu.h')
| -rw-r--r-- | sim/common/sim-alu.h | 23 |
1 files changed, 13 insertions, 10 deletions
diff --git a/sim/common/sim-alu.h b/sim/common/sim-alu.h index 6bb35f0..46306c9 100644 --- a/sim/common/sim-alu.h +++ b/sim/common/sim-alu.h @@ -62,11 +62,6 @@ values */ -/* Macro's to type cast 32bit constants to 64bits */ -#define SIGNED64(val) ((signed64)(signed32)(val)) -#define UNSIGNED64(val) ((unsigned64)(unsigned32)(val)) - - /* Start a section of ALU code */ #define ALU16_BEGIN(VAL) \ @@ -82,6 +77,14 @@ signed64 alu_overflow_val; \ ALU32_SET(VAL) +#define ALU64_BEGIN(VAL) \ +{ \ + natural64 alu_val; \ + unsigned64 alu_carry_val; \ + signed64 alu_overflow_val; \ + ALU64_SET(VAL) + + #define ALU_BEGIN(VAL) XCONCAT3(ALU,WITH_TARGET_WORD_BITSIZE,_BEGIN)(VAL) /* More basic alu operations */ @@ -128,14 +131,14 @@ do { \ #define ALU64_ADD(VAL) \ do { \ - unsigned64 alu_lo = (UNSIGNED64(alu_val) \ - + UNSIGNED64(VAL)); \ - signed alu_carry = ((alu_lo & BIT(31)) != 0); \ + unsigned64 val = (VAL); \ + unsigned64 alu_lo = alu_val + val); \ + signed alu_carry = ((alu_lo & LSBIT64 (31)) != 0); \ alu_carry_val = (alu_carry_val \ - + UNSIGNED64(EXTRACTED(val, 0, 31)) \ + + MSEXTRACTED64 (val, 0, 31) \ + alu_carry); \ alu_overflow_val = (alu_overflow_val \ - + SIGNED64(EXTRACTED(val, 0, 31)) \ + + MSEXTRACTED64 (val, 0, 31) \ + alu_carry); \ alu_val = alu_val + val; \ } while (0) |