diff options
Diffstat (limited to 'c67-gen.c')
| -rw-r--r-- | c67-gen.c | 95 |
1 files changed, 50 insertions, 45 deletions
@@ -18,6 +18,8 @@ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ +#ifdef TARGET_DEFS_ONLY + //#define ASSEMBLY_LISTING_C67 /* number of available registers */ @@ -85,62 +87,18 @@ enum { TREG_C67_B13, }; -const int reg_classes[NB_REGS] = { - /* eax */ RC_INT | RC_FLOAT | RC_EAX, - // only allow even regs for floats (allow for doubles) - /* ecx */ RC_INT | RC_ECX, - /* edx */ RC_INT | RC_INT_BSIDE | RC_FLOAT | RC_EDX, - // only allow even regs for floats (allow for doubles) - /* st0 */ RC_INT | RC_INT_BSIDE | RC_ST0, - /* A4 */ RC_C67_A4, - /* A5 */ RC_C67_A5, - /* B4 */ RC_C67_B4, - /* B5 */ RC_C67_B5, - /* A6 */ RC_C67_A6, - /* A7 */ RC_C67_A7, - /* B6 */ RC_C67_B6, - /* B7 */ RC_C67_B7, - /* A8 */ RC_C67_A8, - /* A9 */ RC_C67_A9, - /* B8 */ RC_C67_B8, - /* B9 */ RC_C67_B9, - /* A10 */ RC_C67_A10, - /* A11 */ RC_C67_A11, - /* B10 */ RC_C67_B10, - /* B11 */ RC_C67_B11, - /* A12 */ RC_C67_A10, - /* A13 */ RC_C67_A11, - /* B12 */ RC_C67_B10, - /* B13 */ RC_C67_B11 -}; - /* return registers for function */ #define REG_IRET TREG_C67_A4 /* single word int return register */ #define REG_LRET TREG_C67_A5 /* second word return register (for long long) */ #define REG_FRET TREG_C67_A4 /* float return register */ - #define ALWAYS_ASSERT(x) \ do {\ if (!(x))\ error("internal compiler error file at %s:%d", __FILE__, __LINE__);\ } while (0) -// although tcc thinks it is passing parameters on the stack, -// the C67 really passes up to the first 10 params in special -// regs or regs pairs (for 64 bit params). So keep track of -// the stack offsets so we can translate to the appropriate -// reg (pair) - - -#define NoCallArgsPassedOnStack 10 -int NoOfCurFuncArgs; -int TranslateStackToReg[NoCallArgsPassedOnStack]; -int ParamLocOnStack[NoCallArgsPassedOnStack]; -int TotalBytesPushedOnStack; - /* defined if function parameters must be evaluated in reverse order */ - //#define INVERT_FUNC_PARAMS /* defined if structures are passed as pointers. Otherwise structures @@ -171,7 +129,52 @@ int TotalBytesPushedOnStack; #define ELF_PAGE_SIZE 0x1000 /******************************************************/ +#else /* ! TARGET_DEFS_ONLY */ +/******************************************************/ +#include "tcc.h" + +ST_DATA const int reg_classes[NB_REGS] = { + /* eax */ RC_INT | RC_FLOAT | RC_EAX, + // only allow even regs for floats (allow for doubles) + /* ecx */ RC_INT | RC_ECX, + /* edx */ RC_INT | RC_INT_BSIDE | RC_FLOAT | RC_EDX, + // only allow even regs for floats (allow for doubles) + /* st0 */ RC_INT | RC_INT_BSIDE | RC_ST0, + /* A4 */ RC_C67_A4, + /* A5 */ RC_C67_A5, + /* B4 */ RC_C67_B4, + /* B5 */ RC_C67_B5, + /* A6 */ RC_C67_A6, + /* A7 */ RC_C67_A7, + /* B6 */ RC_C67_B6, + /* B7 */ RC_C67_B7, + /* A8 */ RC_C67_A8, + /* A9 */ RC_C67_A9, + /* B8 */ RC_C67_B8, + /* B9 */ RC_C67_B9, + /* A10 */ RC_C67_A10, + /* A11 */ RC_C67_A11, + /* B10 */ RC_C67_B10, + /* B11 */ RC_C67_B11, + /* A12 */ RC_C67_A10, + /* A13 */ RC_C67_A11, + /* B12 */ RC_C67_B10, + /* B13 */ RC_C67_B11 +}; + +// although tcc thinks it is passing parameters on the stack, +// the C67 really passes up to the first 10 params in special +// regs or regs pairs (for 64 bit params). So keep track of +// the stack offsets so we can translate to the appropriate +// reg (pair) + +#define NoCallArgsPassedOnStack 10 +int NoOfCurFuncArgs; +int TranslateStackToReg[NoCallArgsPassedOnStack]; +int ParamLocOnStack[NoCallArgsPassedOnStack]; +int TotalBytesPushedOnStack; +/******************************************************/ static unsigned long func_sub_sp_offset; static int func_ret_sub; @@ -2545,5 +2548,7 @@ void ggoto(void) vtop--; } -/* end of X86 code generator */ +/* end of C67 code generator */ +/*************************************************************/ +#endif /*************************************************************/ |