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[2/9] Add comments

Message ID 1402481995-12749-2-git-send-email-charles.baylis@linaro.org
State New
Headers show

Commit Message

Charles Baylis June 11, 2014, 10:19 a.m. UTC 
2014-05-22  Charles Baylis  <charles.baylis@linaro.org>

	* config/arm/bpabi.S (__aeabi_uldivmod, __aeabi_ldivmod): Add comment
	describing register usage on function entry and exit.
---
 libgcc/config/arm/bpabi.S | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

Comments

Richard Earnshaw June 11, 2014, 12:55 p.m. UTC | #1 
On 11/06/14 11:19, Charles Baylis wrote:
> 2014-05-22  Charles Baylis  <charles.baylis@linaro.org>
> 
> 	* config/arm/bpabi.S (__aeabi_uldivmod, __aeabi_ldivmod): Add comment
> 	describing register usage on function entry and exit.


OK.

R.
> ---
>  libgcc/config/arm/bpabi.S | 16 ++++++++++++++++
>  1 file changed, 16 insertions(+)
> 
> diff --git a/libgcc/config/arm/bpabi.S b/libgcc/config/arm/bpabi.S
> index f47d715..ae76cd3 100644
> --- a/libgcc/config/arm/bpabi.S
> +++ b/libgcc/config/arm/bpabi.S
> @@ -122,6 +122,14 @@ ARM_FUNC_START aeabi_ulcmp
>  
>  #ifdef L_aeabi_ldivmod
>  
> +/* Perform 64 bit signed division.
> +   Inputs:
> +	r0:r1	numerator
> +	r2:r3	denominator
> +   Outputs:
> +	r0:r1	quotient
> +	r2:r3	remainder
> + */
>  ARM_FUNC_START aeabi_ldivmod
>  	cfi_start	__aeabi_ldivmod, LSYM(Lend_aeabi_ldivmod)
>  	test_div_by_zero	signed
> @@ -145,6 +153,14 @@ ARM_FUNC_START aeabi_ldivmod
>  
>  #ifdef L_aeabi_uldivmod
>  
> +/* Perform 64 bit signed division.
> +   Inputs:
> +	r0:r1	numerator
> +	r2:r3	denominator
> +   Outputs:
> +	r0:r1	quotient
> +	r2:r3	remainder
> + */
>  ARM_FUNC_START aeabi_uldivmod
>  	cfi_start	__aeabi_uldivmod, LSYM(Lend_aeabi_uldivmod)
>  	test_div_by_zero	unsigned
>
diff mbox

Patch

diff --git a/libgcc/config/arm/bpabi.S b/libgcc/config/arm/bpabi.S
index f47d715..ae76cd3 100644
--- a/libgcc/config/arm/bpabi.S
+++ b/libgcc/config/arm/bpabi.S
@@ -122,6 +122,14 @@  ARM_FUNC_START aeabi_ulcmp
 
 #ifdef L_aeabi_ldivmod
 
+/* Perform 64 bit signed division.
+   Inputs:
+	r0:r1	numerator
+	r2:r3	denominator
+   Outputs:
+	r0:r1	quotient
+	r2:r3	remainder
+ */
 ARM_FUNC_START aeabi_ldivmod
 	cfi_start	__aeabi_ldivmod, LSYM(Lend_aeabi_ldivmod)
 	test_div_by_zero	signed
@@ -145,6 +153,14 @@  ARM_FUNC_START aeabi_ldivmod
 
 #ifdef L_aeabi_uldivmod
 
+/* Perform 64 bit signed division.
+   Inputs:
+	r0:r1	numerator
+	r2:r3	denominator
+   Outputs:
+	r0:r1	quotient
+	r2:r3	remainder
+ */
 ARM_FUNC_START aeabi_uldivmod
 	cfi_start	__aeabi_uldivmod, LSYM(Lend_aeabi_uldivmod)
 	test_div_by_zero	unsigned