X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=sim%2Fmips%2Fsim-main.h;h=fed625ecb54d445b5e38c7a8ec06fe8665be8e29;hb=06e7837e0fe0681494ebdc4f7aae51ef3f77a5fe;hp=0c3d17b48d9d6a43c7ed607b52834c491e598663;hpb=ee7254b0cc380b91b93231b21fe5b40247180627;p=deliverable%2Fbinutils-gdb.git diff --git a/sim/mips/sim-main.h b/sim/mips/sim-main.h index 0c3d17b48d..fed625ecb5 100644 --- a/sim/mips/sim-main.h +++ b/sim/mips/sim-main.h @@ -64,6 +64,7 @@ typedef unsigned64 uword64; /* Floating-point operations: */ #include "sim-fpu.h" +#include "cp1.h" /* FPU registers must be one of the following types. All other values are reserved (and undefined). */ @@ -72,6 +73,7 @@ typedef enum { fmt_double = 1, fmt_word = 4, fmt_long = 5, + fmt_ps = 6, /* The following are well outside the normal acceptable format range, and are used in the register status vector. */ fmt_unknown = 0x10000000, @@ -80,16 +82,9 @@ typedef enum { fmt_uninterpreted_64 = 0x80000000U, } FP_formats; -/* Macro to update FPSR condition-code field. This is complicated by - the fact that there is a hole in the index range of the bits within - the FCSR register. Also, the number of bits visible depends on the - MIPS ISA version being supported. */ - -#define SETFCC(cc,v) {\ - int bit = ((cc == 0) ? 23 : (24 + (cc)));\ - FCSR = ((FCSR & ~(1 << bit)) | ((v) << bit));\ -} -#define GETFCC(cc) (((((cc) == 0) ? (FCSR & (1 << 23)) : (FCSR & (1 << (24 + (cc))))) != 0) ? 1U : 0) +/* For paired word (pw) operations, the opcode representation is fmt_word, + but register transfers (StoreFPR, ValueFPR, etc.) are done as fmt_long. */ +#define fmt_pw fmt_long /* This should be the COC1 value at the start of the preceding instruction: */ @@ -104,36 +99,6 @@ typedef enum { #define SizeFGR() (WITH_TARGET_FLOATING_POINT_BITSIZE) #endif -/* Standard FCRS bits: */ -#define IR (0) /* Inexact Result */ -#define UF (1) /* UnderFlow */ -#define OF (2) /* OverFlow */ -#define DZ (3) /* Division by Zero */ -#define IO (4) /* Invalid Operation */ -#define UO (5) /* Unimplemented Operation */ - -/* Get masks for individual flags: */ -#if 1 /* SAFE version */ -#define FP_FLAGS(b) (((unsigned)(b) < 5) ? (1 << ((b) + 2)) : 0) -#define FP_ENABLE(b) (((unsigned)(b) < 5) ? (1 << ((b) + 7)) : 0) -#define FP_CAUSE(b) (((unsigned)(b) < 6) ? (1 << ((b) + 12)) : 0) -#else -#define FP_FLAGS(b) (1 << ((b) + 2)) -#define FP_ENABLE(b) (1 << ((b) + 7)) -#define FP_CAUSE(b) (1 << ((b) + 12)) -#endif - -#define FP_FS (1 << 24) /* MIPS III onwards : Flush to Zero */ - -#define FP_MASK_RM (0x3) -#define FP_SH_RM (0) -#define FP_RM_NEAREST (0) /* Round to nearest (Round) */ -#define FP_RM_TOZERO (1) /* Round to zero (Trunc) */ -#define FP_RM_TOPINF (2) /* Round to Plus infinity (Ceil) */ -#define FP_RM_TOMINF (3) /* Round to Minus infinity (Floor) */ -#define GETRM() (int)((FCSR >> FP_SH_RM) & FP_MASK_RM) - - @@ -714,12 +679,26 @@ unsigned64 value_fpr (SIM_STATE, int fpr, FP_formats); #define ValueFPR(FPR,FMT) value_fpr (SIM_ARGS, (FPR), (FMT)) void store_fpr (SIM_STATE, int fpr, FP_formats fmt, unsigned64 value); #define StoreFPR(FPR,FMT,VALUE) store_fpr (SIM_ARGS, (FPR), (FMT), (VALUE)) +unsigned64 ps_lower (SIM_STATE, unsigned64 op); +#define PSLower(op) ps_lower (SIM_ARGS, op) +unsigned64 ps_upper (SIM_STATE, unsigned64 op); +#define PSUpper(op) ps_upper (SIM_ARGS, op) +unsigned64 pack_ps (SIM_STATE, unsigned64 op1, unsigned64 op2, FP_formats from); +#define PackPS(op1,op2) pack_ps (SIM_ARGS, op1, op2, fmt_single) + + +/* FCR access. */ +unsigned_word value_fcr (SIM_STATE, int fcr); +#define ValueFCR(FCR) value_fcr (SIM_ARGS, (FCR)) +void store_fcr (SIM_STATE, int fcr, unsigned_word value); +#define StoreFCR(FCR,VALUE) store_fcr (SIM_ARGS, (FCR), (VALUE)) +void test_fcsr (SIM_STATE); +#define TestFCSR() test_fcsr (SIM_ARGS) /* FPU operations. */ -int NaN (unsigned64 op, FP_formats fmt); -int Less (unsigned64 op1, unsigned64 op2, FP_formats fmt); -int Equal (unsigned64 op1, unsigned64 op2, FP_formats fmt); +void fp_cmp (SIM_STATE, unsigned64 op1, unsigned64 op2, FP_formats fmt, int abs, int cond, int cc); +#define Compare(op1,op2,fmt,cond,cc) fp_cmp(SIM_ARGS, op1, op2, fmt, 0, cond, cc) unsigned64 fp_abs (SIM_STATE, unsigned64 op, FP_formats fmt); #define AbsoluteValue(op,fmt) fp_abs(SIM_ARGS, op, fmt) unsigned64 fp_neg (SIM_STATE, unsigned64 op, FP_formats fmt); @@ -736,8 +715,42 @@ unsigned64 fp_recip (SIM_STATE, unsigned64 op, FP_formats fmt); #define Recip(op,fmt) fp_recip(SIM_ARGS, op, fmt) unsigned64 fp_sqrt (SIM_STATE, unsigned64 op, FP_formats fmt); #define SquareRoot(op,fmt) fp_sqrt(SIM_ARGS, op, fmt) +unsigned64 fp_rsqrt (SIM_STATE, unsigned64 op, FP_formats fmt); +#define RSquareRoot(op,fmt) fp_rsqrt(SIM_ARGS, op, fmt) +unsigned64 fp_madd (SIM_STATE, unsigned64 op1, unsigned64 op2, + unsigned64 op3, FP_formats fmt); +#define MultiplyAdd(op1,op2,op3,fmt) fp_madd(SIM_ARGS, op1, op2, op3, fmt) +unsigned64 fp_msub (SIM_STATE, unsigned64 op1, unsigned64 op2, + unsigned64 op3, FP_formats fmt); +#define MultiplySub(op1,op2,op3,fmt) fp_msub(SIM_ARGS, op1, op2, op3, fmt) +unsigned64 fp_nmadd (SIM_STATE, unsigned64 op1, unsigned64 op2, + unsigned64 op3, FP_formats fmt); +#define NegMultiplyAdd(op1,op2,op3,fmt) fp_nmadd(SIM_ARGS, op1, op2, op3, fmt) +unsigned64 fp_nmsub (SIM_STATE, unsigned64 op1, unsigned64 op2, + unsigned64 op3, FP_formats fmt); +#define NegMultiplySub(op1,op2,op3,fmt) fp_nmsub(SIM_ARGS, op1, op2, op3, fmt) unsigned64 convert (SIM_STATE, int rm, unsigned64 op, FP_formats from, FP_formats to); #define Convert(rm,op,from,to) convert (SIM_ARGS, rm, op, from, to) +unsigned64 convert_ps (SIM_STATE, int rm, unsigned64 op, FP_formats from, + FP_formats to); +#define ConvertPS(rm,op,from,to) convert_ps (SIM_ARGS, rm, op, from, to) + + +/* MIPS-3D ASE operations. */ +#define CompareAbs(op1,op2,fmt,cond,cc) \ +fp_cmp(SIM_ARGS, op1, op2, fmt, 1, cond, cc) +unsigned64 fp_add_r (SIM_STATE, unsigned64 op1, unsigned64 op2, FP_formats fmt); +#define AddR(op1,op2,fmt) fp_add_r(SIM_ARGS, op1, op2, fmt) +unsigned64 fp_mul_r (SIM_STATE, unsigned64 op1, unsigned64 op2, FP_formats fmt); +#define MultiplyR(op1,op2,fmt) fp_mul_r(SIM_ARGS, op1, op2, fmt) +unsigned64 fp_recip1 (SIM_STATE, unsigned64 op, FP_formats fmt); +#define Recip1(op,fmt) fp_recip1(SIM_ARGS, op, fmt) +unsigned64 fp_recip2 (SIM_STATE, unsigned64 op1, unsigned64 op2, FP_formats fmt); +#define Recip2(op1,op2,fmt) fp_recip2(SIM_ARGS, op1, op2, fmt) +unsigned64 fp_rsqrt1 (SIM_STATE, unsigned64 op, FP_formats fmt); +#define RSquareRoot1(op,fmt) fp_rsqrt1(SIM_ARGS, op, fmt) +unsigned64 fp_rsqrt2 (SIM_STATE, unsigned64 op1, unsigned64 op2, FP_formats fmt); +#define RSquareRoot2(op1,op2,fmt) fp_rsqrt2(SIM_ARGS, op1, op2, fmt) /* MDMX access. */