diff options
Diffstat (limited to 'vm/compiler/codegen/arm/ArchUtility.c')
| -rw-r--r-- | vm/compiler/codegen/arm/ArchUtility.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/vm/compiler/codegen/arm/ArchUtility.c b/vm/compiler/codegen/arm/ArchUtility.c index abcb2eb2d..60c5cdb86 100644 --- a/vm/compiler/codegen/arm/ArchUtility.c +++ b/vm/compiler/codegen/arm/ArchUtility.c @@ -37,6 +37,26 @@ static char * decodeRegList(int vector, char *buf) return buf; } +static int expandImmediate(int value) +{ + int mode = (value & 0xf00) >> 8; + u4 bits = value & 0xff; + switch(mode) { + case 0: + return bits; + case 1: + return (bits << 16) | bits; + case 2: + return (bits << 24) | (bits << 8); + case 3: + return (bits << 24) | (bits << 16) | (bits << 8) | bits; + default: + break; + } + bits = (bits | 0x80) << 24; + return bits >> (((value & 0xf80) >> 7) - 8); +} + /* * Interpret a format string and build a string no longer than size * See format key in Assemble.c. @@ -62,6 +82,10 @@ static void buildInsnString(char *fmt, ArmLIR *lir, char* buf, assert((unsigned)(nc-'0') < 3); operand = lir->operands[nc-'0']; switch(*fmt++) { + case 'm': + operand = expandImmediate(operand); + sprintf(tbuf,"%d [0x%x]", operand, operand); + break; case 's': sprintf(tbuf,"s%d",operand & FP_REG_MASK); break; @@ -71,6 +95,7 @@ static void buildInsnString(char *fmt, ArmLIR *lir, char* buf, case 'h': sprintf(tbuf,"%04x", operand); break; + case 'M': case 'd': sprintf(tbuf,"%d", operand); break; @@ -106,6 +131,9 @@ static void buildInsnString(char *fmt, ArmLIR *lir, char* buf, case ARM_COND_CS: strcpy(tbuf, "bcs"); break; + case ARM_COND_MI: + strcpy(tbuf, "bmi"); + break; default: strcpy(tbuf, ""); break; |