[2/2] Subject: Add a few GCC builtins

Commit Message

Blue Swirl Aug. 1, 2009, 9:28 a.m. UTC

Add c{l,t}z{,l,ll}, ffsl{,l}, popcountll and floating point comparison
builtins.

Signed-off-by: Blue Swirl <[e-mail]>
---
 lib.c |   25 ++++++++++++++++++++++---
 1 files changed, 22 insertions(+), 3 deletions(-)

 	add_pre_buffer("extern long __builtin_alpha_extwl(long, long);\n");
@@ -704,6 +715,14 @@ void declare_builtin_functions(void)
 	add_pre_buffer("extern long __builtin_alpha_cmpbge(long, long);\n");
 	add_pre_buffer("extern long __builtin_labs(long);\n");

+	/* And some floating point stuff.. */
+	add_pre_buffer("extern int __builtin_isgreater(float, float);\n");
+	add_pre_buffer("extern int __builtin_isgreaterequal(float, float);\n");
+	add_pre_buffer("extern int __builtin_isless(float, float);\n");
+	add_pre_buffer("extern int __builtin_islessequal(float, float);\n");
+	add_pre_buffer("extern int __builtin_islessgreater(float, float);\n");
+	add_pre_buffer("extern int __builtin_isunordered(float, float);\n");
+
 	/* And some __FORTIFY_SOURCE ones.. */
 	add_pre_buffer ("extern __SIZE_TYPE__ __builtin_object_size(void *, int);\n");
 	add_pre_buffer ("extern void * __builtin___memcpy_chk(void *, const
void *, __SIZE_TYPE__, __SIZE_TYPE__);\n");

Comments

Christopher Li Aug. 1, 2009, 4:53 p.m. UTC | #1

On Sat, Aug 1, 2009 at 2:28 AM, Blue Swirl<[e-mail]> wrote:
> Add c{l,t}z{,l,ll}, ffsl{,l}, popcountll and floating point comparison
> builtins.

Your two patches looks good. But the patch itself is white space damaged.
Gmail does some strange thing to inlined patches.

Can you resend this patch using "attach a file"?

Thanks

Chris
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Blue Swirl Aug. 1, 2009, 5:23 p.m. UTC | #2

On Sat, Aug 1, 2009 at 7:53 PM, Christopher Li<[e-mail]> wrote:
> On Sat, Aug 1, 2009 at 2:28 AM, Blue Swirl<[e-mail]> wrote:
>> Add c{l,t}z{,l,ll}, ffsl{,l}, popcountll and floating point comparison
>> builtins.
>
> Your two patches looks good. But the patch itself is white space damaged.
> Gmail does some strange thing to inlined patches.
>
> Can you resend this patch using "attach a file"?

Sure. I removed the extra "Subject:" from the description.

Christopher Li Aug. 4, 2009, 9:35 p.m. UTC | #3

On Sat, Aug 1, 2009 at 10:23 AM, Blue Swirl<[e-mail]> wrote:
> Sure. I removed the extra "Subject:" from the description.

Thanks, all two patches applied.

Chris
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Patch

diff --git a/lib.c b/lib.c
index 42affcd..600939b 100644
--- a/lib.c
+++ b/lib.c
@@ -685,15 +685,26 @@  void declare_builtin_functions(void)
 	add_pre_buffer("extern char * __builtin_strpbrk(const char *, const
char *);\n");
 	add_pre_buffer("extern __SIZE_TYPE__ __builtin_strlen(const char *);\n");

+	/* And bitwise operations.. */
+	add_pre_buffer("extern int __builtin_clz(int);\n");
+	add_pre_buffer("extern int __builtin_clzl(long);\n");
+	add_pre_buffer("extern int __builtin_clzll(long long);\n");
+	add_pre_buffer("extern int __builtin_ctz(int);\n");
+	add_pre_buffer("extern int __builtin_ctzl(long);\n");
+	add_pre_buffer("extern int __builtin_ctzll(long long);\n");
+	add_pre_buffer("extern int __builtin_ffs(int);\n");
+	add_pre_buffer("extern int __builtin_ffsl(long);\n");
+	add_pre_buffer("extern int __builtin_ffsll(long long);\n");
+	add_pre_buffer("extern int __builtin_popcount(unsigned int);\n");
+	add_pre_buffer("extern int __builtin_popcountl(unsigned long);\n");
+	add_pre_buffer("extern int __builtin_popcountll(unsigned long long);\n");
+
 	/* And some random ones.. */
 	add_pre_buffer("extern void *__builtin_return_address(unsigned int);\n");
 	add_pre_buffer("extern void *__builtin_extract_return_addr(void *);\n");
 	add_pre_buffer("extern void *__builtin_frame_address(unsigned int);\n");
 	add_pre_buffer("extern void __builtin_trap(void);\n");
-	add_pre_buffer("extern int __builtin_ffs(int);\n");
 	add_pre_buffer("extern void *__builtin_alloca(__SIZE_TYPE__);\n");
-	add_pre_buffer("extern int __builtin_popcount(unsigned int);\n");
-	add_pre_buffer("extern int __builtin_popcountl(unsigned long);\n");
 	add_pre_buffer("extern void __builtin_prefetch (const void *, ...);\n");
 	add_pre_buffer("extern long __builtin_alpha_extbl(long, long);\n");