From 5982e33aca9dde3ba7b2487c4866e52c667485fa Mon Sep 17 00:00:00 2001
From: Nick Kralevich <nnk@google.com>
Date: Fri, 11 Nov 2011 15:47:24 -0800
Subject: [PATCH] Cherry-pick "generate PIC code".

Change-Id: I7d5f2e5663df263493f65e364c959e663fc4d13a
---
 libc/arch-x86/string/sse2-memset5-atom.S | 8 ++++----
 libc/arch-x86/string/ssse3-memcpy5.S     | 6 +++---
 2 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/libc/arch-x86/string/sse2-memset5-atom.S b/libc/arch-x86/string/sse2-memset5-atom.S
index 4b7f71bca..557c019d5 100644
--- a/libc/arch-x86/string/sse2-memset5-atom.S
+++ b/libc/arch-x86/string/sse2-memset5-atom.S
@@ -93,7 +93,7 @@ name:					\
 # define SETRTNVAL	movl DEST(%esp), %eax
 #endif
 
-#ifdef SHARED
+#if (defined SHARED || defined __PIC__)
 # define ENTRANCE	PUSH (%ebx);
 # define RETURN_END	POP (%ebx); ret
 # define RETURN		RETURN_END; CFI_PUSH (%ebx)
@@ -313,7 +313,7 @@ L(128bytesormore):
 	PUSH (%ebx)
 	mov	$SHARED_CACHE_SIZE, %ebx
 #else
-# ifdef SHARED
+# if (defined SHARED || defined __PIC__)
 	call	__i686.get_pc_thunk.bx
 	add	$_GLOBAL_OFFSET_TABLE_, %ebx
 	mov	__x86_shared_cache_size@GOTOFF(%ebx), %ebx
@@ -331,7 +331,7 @@ L(128bytesormore):
 # define RESTORE_EBX_STATE CFI_PUSH (%ebx)
 	cmp	$DATA_CACHE_SIZE, %ecx
 #else
-# ifdef SHARED
+# if (defined SHARED || defined __PIC__)
 #  define RESTORE_EBX_STATE
 	call	__i686.get_pc_thunk.bx
 	add	$_GLOBAL_OFFSET_TABLE_, %ebx
@@ -436,7 +436,7 @@ L(128bytesormore_nt):
 	jae	L(128bytesormore_nt)
 	sfence
 L(shared_cache_loop_end):
-#if defined DATA_CACHE_SIZE || !defined SHARED
+#if defined DATA_CACHE_SIZE || !(defined SHARED || defined __PIC__)
 	POP (%ebx)
 #endif
 	BRANCH_TO_JMPTBL_ENTRY (L(table_16_128bytes))
diff --git a/libc/arch-x86/string/ssse3-memcpy5.S b/libc/arch-x86/string/ssse3-memcpy5.S
index b4773dfb1..1bf6d22bf 100644
--- a/libc/arch-x86/string/ssse3-memcpy5.S
+++ b/libc/arch-x86/string/ssse3-memcpy5.S
@@ -104,7 +104,7 @@ name:					\
 #define PUSH(REG)	pushl REG; CFI_PUSH (REG)
 #define POP(REG)	popl REG; CFI_POP (REG)
 
-#ifdef SHARED
+#if (defined SHARED || defined __PIC__)
 # define PARMS		8		/* Preserve EBX.  */
 # define ENTRANCE	PUSH (%ebx);
 # define RETURN_END	POP (%ebx); ret
@@ -216,7 +216,7 @@ L(48bytesormore):
 #ifdef SHARED_CACHE_SIZE_HALF
 	cmp	$SHARED_CACHE_SIZE_HALF, %ecx
 #else
-# ifdef SHARED
+# if (defined SHARED || defined __PIC__)
 	call	__i686.get_pc_thunk.bx
 	add	$_GLOBAL_OFFSET_TABLE_, %ebx
 	cmp	__x86_shared_cache_size_half@GOTOFF(%ebx), %ecx
@@ -287,7 +287,7 @@ L(shl_0_gobble):
 #ifdef DATA_CACHE_SIZE_HALF
 	cmp	$DATA_CACHE_SIZE_HALF, %ecx
 #else
-# ifdef SHARED
+# if (defined SHARED || defined __PIC__)
 	call	__i686.get_pc_thunk.bx
 	add	$_GLOBAL_OFFSET_TABLE_, %ebx
 	cmp	__x86_data_cache_size_half@GOTOFF(%ebx), %ecx