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author | Howard Hinnant <hhinnant@apple.com> | 2010-01-20 18:44:52 +0000 |
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committer | Howard Hinnant <hhinnant@apple.com> | 2010-01-20 18:44:52 +0000 |
commit | 09d99f308a00b96bbe5eb7fd383da87be037c23c (patch) | |
tree | 7bafffff99a34bee3eee8afc8910a57c2332c0bb /README.txt | |
parent | b04c2c4ddd4e51075ea377e7c4d603f8bb9bf617 (diff) | |
download | compiler-rt-09d99f308a00b96bbe5eb7fd383da87be037c23c.tar.gz |
Updated README.txt
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@94011 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'README.txt')
-rw-r--r-- | README.txt | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/README.txt b/README.txt index e16dd4dd6..f15aff229 100644 --- a/README.txt +++ b/README.txt @@ -31,55 +31,85 @@ typedef unsigned long long du_int; // Integral bit manipulation di_int __ashldi3(di_int a, si_int b); // a << b +ti_int __ashlti3(ti_int a, si_int b); // a << b + di_int __ashrdi3(di_int a, si_int b); // a >> b arithmetic (sign fill) +ti_int __ashrti3(ti_int a, si_int b); // a >> b arithmetic (sign fill) di_int __lshrdi3(di_int a, si_int b); // a >> b logical (zero fill) +ti_int __lshrti3(ti_int a, si_int b); // a >> b logical (zero fill) si_int __clzsi2(si_int a); // count leading zeros si_int __clzdi2(di_int a); // count leading zeros +si_int __clzti2(ti_int a); // count leading zeros si_int __ctzsi2(si_int a); // count trailing zeros si_int __ctzdi2(di_int a); // count trailing zeros +si_int __ctzti2(ti_int a); // count trailing zeros si_int __ffsdi2(di_int a); // find least significant 1 bit +si_int __ffsti2(ti_int a); // find least significant 1 bit si_int __paritysi2(si_int a); // bit parity si_int __paritydi2(di_int a); // bit parity +si_int __parityti2(ti_int a); // bit parity si_int __popcountsi2(si_int a); // bit population si_int __popcountdi2(di_int a); // bit population +si_int __popcountti2(ti_int a); // bit population + +uint32_t __bswapsi2(uint32_t a); // a byteswapped, arm only +uint64_t __bswapdi2(uint64_t a); // a byteswapped, arm only // Integral arithmetic di_int __negdi2 (di_int a); // -a +ti_int __negti2 (ti_int a); // -a di_int __muldi3 (di_int a, di_int b); // a * b +ti_int __multi3 (ti_int a, ti_int b); // a * b +si_int __divsi3 (si_int a, si_int b); // a / b signed di_int __divdi3 (di_int a, di_int b); // a / b signed +ti_int __divti3 (ti_int a, ti_int b); // a / b signed +su_int __udivsi3 (su_int n, su_int d); // a / b unsigned du_int __udivdi3 (du_int a, du_int b); // a / b unsigned +tu_int __udivti3 (tu_int a, tu_int b); // a / b unsigned +si_int __modsi3 (si_int a, si_int b); // a % b signed di_int __moddi3 (di_int a, di_int b); // a % b signed +ti_int __modti3 (ti_int a, ti_int b); // a % b signed +su_int __umodsi3 (su_int a, su_int b); // a % b unsigned du_int __umoddi3 (du_int a, du_int b); // a % b unsigned +tu_int __umodti3 (tu_int a, tu_int b); // a % b unsigned du_int __udivmoddi4(du_int a, du_int b, du_int* rem); // a / b, *rem = a % b +tu_int __udivmodti4(tu_int a, tu_int b, tu_int* rem); // a / b, *rem = a % b // Integral arithmetic with trapping overflow si_int __absvsi2(si_int a); // abs(a) di_int __absvdi2(di_int a); // abs(a) +ti_int __absvti2(ti_int a); // abs(a) si_int __negvsi2(si_int a); // -a di_int __negvdi2(di_int a); // -a +ti_int __negvti2(ti_int a); // -a si_int __addvsi3(si_int a, si_int b); // a + b di_int __addvdi3(di_int a, di_int b); // a + b +ti_int __addvti3(ti_int a, ti_int b); // a + b si_int __subvsi3(si_int a, si_int b); // a - b di_int __subvdi3(di_int a, di_int b); // a - b +ti_int __subvti3(ti_int a, ti_int b); // a - b si_int __mulvsi3(si_int a, si_int b); // a * b di_int __mulvdi3(di_int a, di_int b); // a * b +ti_int __mulvti3(ti_int a, ti_int b); // a * b // Integral comparison: a < b -> 0 // a == b -> 1 // a > b -> 2 si_int __cmpdi2 (di_int a, di_int b); +si_int __cmpti2 (ti_int a, ti_int b); si_int __ucmpdi2(du_int a, du_int b); +si_int __ucmpti2(tu_int a, tu_int b); // Integral / floating point conversion @@ -87,6 +117,11 @@ di_int __fixsfdi( float a); di_int __fixdfdi( double a); di_int __fixxfdi(long double a); +ti_int __fixsfti( float a); +ti_int __fixdfti( double a); +ti_int __fixxfti(long double a); +uint64_t __fixtfdi(long double input); // ppc only, doesn't match documentation + su_int __fixunssfsi( float a); su_int __fixunsdfsi( double a); su_int __fixunsxfsi(long double a); @@ -95,19 +130,35 @@ du_int __fixunssfdi( float a); du_int __fixunsdfdi( double a); du_int __fixunsxfdi(long double a); +tu_int __fixunssfti( float a); +tu_int __fixunsdfti( double a); +tu_int __fixunsxfti(long double a); +uint64_t __fixunstfdi(long double input); // ppc only + float __floatdisf(di_int a); double __floatdidf(di_int a); long double __floatdixf(di_int a); +long double __floatditf(int64_t a); // ppc only + +float __floattisf(ti_int a); +double __floattidf(ti_int a); +long double __floattixf(ti_int a); float __floatundisf(du_int a); double __floatundidf(du_int a); long double __floatundixf(du_int a); +long double __floatunditf(uint64_t a); // ppc only + +float __floatuntisf(tu_int a); +double __floatuntidf(tu_int a); +long double __floatuntixf(tu_int a); // Floating point raised to integer power float __powisf2( float a, si_int b); // a ^ b double __powidf2( double a, si_int b); // a ^ b long double __powixf2(long double a, si_int b); // a ^ b +long double __powitf2(long double a, si_int b); // ppc only, a ^ b // Complex arithmetic @@ -117,6 +168,8 @@ long double __powixf2(long double a, si_int b); // a ^ b double _Complex __muldc3(double a, double b, double c, double d); long double _Complex __mulxc3(long double a, long double b, long double c, long double d); +long double _Complex __multc3(long double a, long double b, + long double c, long double d); // ppc only // (a + ib) / (c + id) @@ -124,6 +177,77 @@ long double _Complex __mulxc3(long double a, long double b, double _Complex __divdc3(double a, double b, double c, double d); long double _Complex __divxc3(long double a, long double b, long double c, long double d); +long double _Complex __divtc3(long double a, long double b, + long double c, long double d); // ppc only + +// Undocumented functions + +float __addsf3vfp(float a, float b); // arm only. Appears to return a + b +double __adddf3vfp(double a, double b); // arm only. Appears to return a + b +float __divsf3vfp(float a, float b); // arm only. Appears to return a / b +double __divdf3vfp(double a, double b); // arm only. Appears to return a / b +int __eqsf2vfp(float a, float b); // arm only. Appears to return one + // iff a == b and neither is NaN. +int __eqdf2vfp(double a, double b); // arm only. Appears to return one + // iff a == b and neither is NaN. +double __extendsfdf2vfp(float a); // arm only. Appears to convert from + // float to double. +int __fixdfsivfp(double a); // arm only. Appears to convert from + // double to int. +int __fixsfsivfp(float a); // arm only. Appears to convert from + // float to int. +unsigned int __fixunssfsivfp(float a); // arm only. Appears to convert from + // float to unsigned int. +unsigned int __fixunsdfsivfp(double a); // arm only. Appears to convert from + // double to unsigned int. +double __floatsidfvfp(int a); // arm only. Appears to convert from + // int to double. +float __floatsisfvfp(int a); // arm only. Appears to convert from + // int to float. +double __floatunssidfvfp(unsigned int a); // arm only. Appears to convert from + // unisgned int to double. +float __floatunssisfvfp(unsigned int a); // arm only. Appears to convert from + // unisgned int to float. +long double __gcc_qadd(long double x, long double y); // ppc only. Appears to + // return x + y. +long double __gcc_qdiv(long double a, long double b); // ppc only. Appears to + // return x / y. +long double __gcc_qmul(long double x, long double y); // ppc only. Appears to + // return x * y. +long double __gcc_qsub(long double x, long double y); // ppc only. Appears to + // return x - y. +int __gedf2vfp(double a, double b); // arm only. Appears to return __gedf2 + // (a >= b) +int __gesf2vfp(float a, float b); // arm only. Appears to return __gesf2 + // (a >= b) +int __gtdf2vfp(double a, double b); // arm only. Appears to return __gtdf2 + // (a > b) +int __gtsf2vfp(float a, float b); // arm only. Appears to return __gtsf2 + // (a > b) +int __ledf2vfp(double a, double b); // arm only. Appears to return __ledf2 + // (a <= b) +int __lesf2vfp(float a, float b); // arm only. Appears to return __lesf2 + // (a <= b) +int __ltdf2vfp(double a, double b); // arm only. Appears to return __ltdf2 + // (a < b) +int __ltsf2vfp(float a, float b); // arm only. Appears to return __ltsf2 + // (a < b) +double __muldf3vfp(double a, double b); // arm only. Appears to return a * b +float __mulsf3vfp(float a, float b); // arm only. Appears to return a * b +int __nedf2vfp(double a, double b); // arm only. Appears to return __nedf2 + // (a != b) +double __negdf2vfp(double a); // arm only. Appears to return -a +float __negsf2vfp(float a); // arm only. Appears to return -a +float __negsf2vfp(float a); // arm only. Appears to return -a +double __subdf3vfp(double a, double b); // arm only. Appears to return a - b +float __subsf3vfp(float a, float b); // arm only. Appears to return a - b +float __truncdfsf2vfp(double a); // arm only. Appears to convert from + // double to float. +int __unorddf2vfp(double a, double b); // army only. Appears to return + // __unorddf2 +int __unordsf2vfp(float a, float b); // army only. Appears to return + // __unordsf2 + Preconditions are listed for each function at the definition when there are any. Any preconditions reflect the specification at |