diff options
| author | Saleem Abdulrasool <compnerd@compnerd.org> | 2014-08-09 20:17:43 +0000 |
|---|---|---|
| committer | Saleem Abdulrasool <compnerd@compnerd.org> | 2014-08-09 20:17:43 +0000 |
| commit | 39238e8a293a375e3b9f8476a0dd57dc56eb2116 (patch) | |
| tree | 9d505daad9f162700df1ebbaf3e7a05e2569a614 | |
| parent | 3a2883db4582a9a095fa02cc8f3636fab7e3cc7b (diff) | |
builtins: add signature to some assembly routines
Add a helpful description and a signature for the functions implemented in
assembly for the integral math routines. NFC.
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@215296 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/builtins/arm/divmodsi4.S | 4 | ||||
| -rw-r--r-- | lib/builtins/arm/divsi3.S | 4 | ||||
| -rw-r--r-- | lib/builtins/arm/modsi3.S | 3 | ||||
| -rw-r--r-- | lib/builtins/arm/udivmodsi4.S | 5 | ||||
| -rw-r--r-- | lib/builtins/arm/udivsi3.S | 4 | ||||
| -rw-r--r-- | lib/builtins/arm/umodsi3.S | 3 |
6 files changed, 23 insertions, 0 deletions
diff --git a/lib/builtins/arm/divmodsi4.S b/lib/builtins/arm/divmodsi4.S index 91bb2a5c7..96527f7c5 100644 --- a/lib/builtins/arm/divmodsi4.S +++ b/lib/builtins/arm/divmodsi4.S @@ -27,6 +27,10 @@ .thumb #endif +@ int __divmodsi4(int divident, int divisor, int *remainder) +@ Calculate the quotient and remainder of the (signed) division. The return +@ value is the quotient, the remainder is placed in the variable. + .p2align 3 DEFINE_COMPILERRT_FUNCTION(__divmodsi4) #if __ARM_ARCH_EXT_IDIV__ diff --git a/lib/builtins/arm/divsi3.S b/lib/builtins/arm/divsi3.S index db47165af..73ee78d9c 100644 --- a/lib/builtins/arm/divsi3.S +++ b/lib/builtins/arm/divsi3.S @@ -29,6 +29,10 @@ .p2align 3 // Ok, APCS and AAPCS agree on 32 bit args, so it's safe to use the same routine. DEFINE_AEABI_FUNCTION_ALIAS(__aeabi_idiv, __divsi3) + +@ int __divsi3(int divident, int divisor) +@ Calculate and return the quotient of the (signed) division. + DEFINE_COMPILERRT_FUNCTION(__divsi3) #if __ARM_ARCH_EXT_IDIV__ tst r1,r1 diff --git a/lib/builtins/arm/modsi3.S b/lib/builtins/arm/modsi3.S index 7ed305ea6..57ffa3b41 100644 --- a/lib/builtins/arm/modsi3.S +++ b/lib/builtins/arm/modsi3.S @@ -26,6 +26,9 @@ .thumb #endif +@ int __modsi3(int divident, int divisor) +@ Calculate and return the remainder of the (signed) division. + .p2align 3 DEFINE_COMPILERRT_FUNCTION(__modsi3) #if __ARM_ARCH_EXT_IDIV__ diff --git a/lib/builtins/arm/udivmodsi4.S b/lib/builtins/arm/udivmodsi4.S index aaece9727..d04cb9890 100644 --- a/lib/builtins/arm/udivmodsi4.S +++ b/lib/builtins/arm/udivmodsi4.S @@ -21,6 +21,11 @@ .thumb #endif +@ unsigned int __udivmodsi4(unsigned int divident, unsigned int divisor, +@ unsigned int *remainder) +@ Calculate the quotient and remainder of the (unsigned) division. The return +@ value is the quotient, the remainder is placed in the variable. + .p2align 2 DEFINE_COMPILERRT_FUNCTION(__udivmodsi4) #if __ARM_ARCH_EXT_IDIV__ diff --git a/lib/builtins/arm/udivsi3.S b/lib/builtins/arm/udivsi3.S index 34bd713fb..afe34e0cd 100644 --- a/lib/builtins/arm/udivsi3.S +++ b/lib/builtins/arm/udivsi3.S @@ -23,6 +23,10 @@ .p2align 2 DEFINE_AEABI_FUNCTION_ALIAS(__aeabi_uidiv, __udivsi3) + +@ unsigned int __udivsi3(unsigned int divident, unsigned int divisor) +@ Calculate and return the quotient of the (unsigned) division. + DEFINE_COMPILERRT_FUNCTION(__udivsi3) #if __ARM_ARCH_EXT_IDIV__ tst r1, r1 diff --git a/lib/builtins/arm/umodsi3.S b/lib/builtins/arm/umodsi3.S index b0c62d73c..f9327aced 100644 --- a/lib/builtins/arm/umodsi3.S +++ b/lib/builtins/arm/umodsi3.S @@ -20,6 +20,9 @@ .thumb #endif +@ unsigned int __umodsi3(unsigned int divident, unsigned int divisor) +@ Calculate and return the remainder of the (unsigned) division. + .p2align 2 DEFINE_COMPILERRT_FUNCTION(__umodsi3) #if __ARM_ARCH_EXT_IDIV__ |