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ibm-vector-keyword-3
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File ibm-vector-keyword-3 of Package gcc43
2008-07-24 Ben Elliston <bje@au.ibm.com> * config/spu/spu-c.c (__vector_keyword): New variable. (vector_keyword): Likewise. (spu_categorize_keyword): New function. (spu_macro_to_expand): Likewise. (spu_cpu_cpp_builtins): Enable context-sensitive macros if not compiling an ISO C dialect. 2008-07-24 Ben Elliston <bje@au.ibm.com> * gcc.target/spu/vector.c: New test. * gcc.target/spu/vector-ansi.c: Likewise. Index: gcc/testsuite/gcc.target/spu/vector.c =================================================================== --- /dev/null 1970-01-01 00:00:00.000000000 +0000 +++ gcc/testsuite/gcc.target/spu/vector.c 2009-09-21 11:47:07.000000000 +0200 @@ -0,0 +1,32 @@ +/* { dg-do compile } */ +/* { dg-options "" } */ + +#ifndef __VECTOR_KEYWORD_SUPPORTED__ +#error __VECTOR_KEYWORD_SUPPORTED__ is not defined +#endif + +/* __vector is expanded unconditionally. */ +__vector int vi; +__vector unsigned char vuc; +__vector signed char vsc; +__vector unsigned short vus; +__vector signed short vss; +__vector unsigned int vui; +__vector signed int vsi; +__vector unsigned long long ull; +__vector signed long long sll; +__vector float vf; +__vector double vd; + +/* vector is expanded conditionally, based on the context. */ +vector int vi; +vector unsigned char vuc; +vector signed char vsc; +vector unsigned short vus; +vector signed short vss; +vector unsigned int vui; +vector signed int vsi; +vector unsigned long long ull; +vector signed long long sll; +vector float vf; +vector double vd; Index: gcc/testsuite/gcc.target/spu/vector-ansi.c =================================================================== --- /dev/null 1970-01-01 00:00:00.000000000 +0000 +++ gcc/testsuite/gcc.target/spu/vector-ansi.c 2009-09-21 11:47:07.000000000 +0200 @@ -0,0 +1,35 @@ +/* { dg-do compile } */ +/* { dg-options "-ansi" } */ + +/* This is done by spu_internals.h, but we not include it here to keep + down the dependencies. */ + +#ifndef __VECTOR_KEYWORD_SUPPORTED__ +#define vector __vector +#endif + +/* __vector is expanded unconditionally by the preprocessor. */ +__vector int vi; +__vector unsigned char vuc; +__vector signed char vsc; +__vector unsigned short vus; +__vector signed short vss; +__vector unsigned int vui; +__vector signed int vsi; +__vector unsigned long long ull; +__vector signed long long sll; +__vector float vf; +__vector double vd; + +/* vector is expanded by the define above, regardless of context. */ +vector int vi; +vector unsigned char vuc; +vector signed char vsc; +vector unsigned short vus; +vector signed short vss; +vector unsigned int vui; +vector signed int vsi; +vector unsigned long long ull; +vector signed long long sll; +vector float vf; +vector double vd; Index: gcc/config/spu/spu-c.c =================================================================== --- gcc/config/spu/spu-c.c.orig 2009-09-21 11:42:15.000000000 +0200 +++ gcc/config/spu/spu-c.c 2009-09-21 11:47:07.000000000 +0200 @@ -34,6 +34,64 @@ #include "optabs.h" +/* Keep the vector keywords handy for fast comparisons. */ +static GTY(()) tree __vector_keyword; +static GTY(()) tree vector_keyword; + +static cpp_hashnode * +spu_categorize_keyword (const cpp_token *tok) +{ + if (tok->type == CPP_NAME) + { + cpp_hashnode *ident = tok->val.node; + + if (ident == C_CPP_HASHNODE (vector_keyword) + || ident == C_CPP_HASHNODE (__vector_keyword)) + return C_CPP_HASHNODE (__vector_keyword); + else + return ident; + } + return 0; +} + +/* Called to decide whether a conditional macro should be expanded. + Since we have exactly one such macro (i.e, 'vector'), we do not + need to examine the 'tok' parameter. */ + +static cpp_hashnode * +spu_macro_to_expand (cpp_reader *pfile, const cpp_token *tok) +{ + cpp_hashnode *expand_this = tok->val.node; + cpp_hashnode *ident; + + ident = spu_categorize_keyword (tok); + if (ident == C_CPP_HASHNODE (__vector_keyword)) + { + tok = cpp_peek_token (pfile, 0); + ident = spu_categorize_keyword (tok); + + if (ident) + { + enum rid rid_code = (enum rid)(ident->rid_code); + if (ident->type == NT_MACRO) + { + (void) cpp_get_token (pfile); + tok = cpp_peek_token (pfile, 0); + ident = spu_categorize_keyword (tok); + if (ident) + rid_code = (enum rid)(ident->rid_code); + } + + if (rid_code == RID_UNSIGNED || rid_code == RID_LONG + || rid_code == RID_SHORT || rid_code == RID_SIGNED + || rid_code == RID_INT || rid_code == RID_CHAR + || rid_code == RID_FLOAT || rid_code == RID_DOUBLE) + expand_this = C_CPP_HASHNODE (__vector_keyword); + } + } + return expand_this; +} + /* target hook for resolve_overloaded_builtin(). Returns a function call RTX if we can resolve the overloaded builtin */ tree @@ -142,6 +200,22 @@ spu_cpu_cpp_builtins (struct cpp_reader if (spu_arch == PROCESSOR_CELLEDP) builtin_define_std ("__SPU_EDP__"); builtin_define_std ("__vector=__attribute__((__spu_vector__))"); + + if (!flag_iso) + { + /* Define this when supporting context-sensitive keywords. */ + cpp_define (pfile, "__VECTOR_KEYWORD_SUPPORTED__"); + cpp_define (pfile, "vector=vector"); + + /* Initialize vector keywords. */ + __vector_keyword = get_identifier ("__vector"); + C_CPP_HASHNODE (__vector_keyword)->flags |= NODE_CONDITIONAL; + vector_keyword = get_identifier ("vector"); + C_CPP_HASHNODE (vector_keyword)->flags |= NODE_CONDITIONAL; + + /* Enable context-sensitive macros. */ + cpp_get_callbacks (pfile)->macro_to_expand = spu_macro_to_expand; + } } void
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