diff options
Diffstat (limited to 'gcc/config/rs6000/rs6000.h')
| -rw-r--r-- | gcc/config/rs6000/rs6000.h | 29 |
1 files changed, 19 insertions, 10 deletions
diff --git a/gcc/config/rs6000/rs6000.h b/gcc/config/rs6000/rs6000.h index 95768228946..cad1551a15c 100644 --- a/gcc/config/rs6000/rs6000.h +++ b/gcc/config/rs6000/rs6000.h @@ -1217,11 +1217,16 @@ enum data_align { align_abi, align_opt, align_both }; ((MODE) == V4SFmode \ || (MODE) == V2DFmode) \ -#define ALTIVEC_VECTOR_MODE(MODE) \ - ((MODE) == V16QImode \ - || (MODE) == V8HImode \ - || (MODE) == V4SFmode \ - || (MODE) == V4SImode) +/* Note KFmode and possibly TFmode (i.e. IEEE 128-bit floating point) are not + really a vector, but we want to treat it as a vector for moves, and + such. */ + +#define ALTIVEC_VECTOR_MODE(MODE) \ + ((MODE) == V16QImode \ + || (MODE) == V8HImode \ + || (MODE) == V4SFmode \ + || (MODE) == V4SImode \ + || FLOAT128_VECTOR_P (MODE)) #define ALTIVEC_OR_VSX_VECTOR_MODE(MODE) \ (ALTIVEC_VECTOR_MODE (MODE) || VSX_VECTOR_MODE (MODE) \ @@ -1248,12 +1253,19 @@ enum data_align { align_abi, align_opt, align_both }; PTImode cannot tie with other modes because PTImode is restricted to even GPR registers, and TImode can go in any GPR as well as VSX registers (PR - 57744). */ + 57744). + + Altivec/VSX vector tests were moved ahead of scalar float mode, so that IEEE + 128-bit floating point on VSX systems ties with other vectors. */ #define MODES_TIEABLE_P(MODE1, MODE2) \ ((MODE1) == PTImode \ ? (MODE2) == PTImode \ : (MODE2) == PTImode \ ? 0 \ + : ALTIVEC_OR_VSX_VECTOR_MODE (MODE1) \ + ? ALTIVEC_OR_VSX_VECTOR_MODE (MODE2) \ + : ALTIVEC_OR_VSX_VECTOR_MODE (MODE2) \ + ? 0 \ : SCALAR_FLOAT_MODE_P (MODE1) \ ? SCALAR_FLOAT_MODE_P (MODE2) \ : SCALAR_FLOAT_MODE_P (MODE2) \ @@ -1266,10 +1278,6 @@ enum data_align { align_abi, align_opt, align_both }; ? SPE_VECTOR_MODE (MODE2) \ : SPE_VECTOR_MODE (MODE2) \ ? 0 \ - : ALTIVEC_OR_VSX_VECTOR_MODE (MODE1) \ - ? ALTIVEC_OR_VSX_VECTOR_MODE (MODE2) \ - : ALTIVEC_OR_VSX_VECTOR_MODE (MODE2) \ - ? 0 \ : 1) /* Post-reload, we can't use any new AltiVec registers, as we already @@ -1801,6 +1809,7 @@ typedef struct rs6000_args GPR space (darwin64) */ int named; /* false for varargs params */ int escapes; /* if function visible outside tu */ + int libcall; /* If this is a compiler generated call. */ } CUMULATIVE_ARGS; /* Initialize a variable CUM of type CUMULATIVE_ARGS |