diff --git a/crypto/chacha/asm/chacha-x86.pl b/crypto/chacha/asm/chacha-x86.pl
index ec23a51..ae477fc 100755
--- a/crypto/chacha/asm/chacha-x86.pl
+++ b/crypto/chacha/asm/chacha-x86.pl
@@ -114,26 +114,10 @@
 	($d,$d_)=($d_,$d);
 }
 
-&static_label("ssse3_shortcut");
 &static_label("ssse3_data");
 &static_label("pic_point");
 
-&function_begin("ChaCha20_ctr32");
-	&xor	("eax","eax");
-	&cmp	("eax",&wparam(2));		# len==0?
-	&je	(&label("no_data"));
-if ($xmm) {
-	&call	(&label("pic_point"));
-&set_label("pic_point");
-	&blindpop("eax");
-	&picmeup("ebp","OPENSSL_ia32cap_P","eax",&label("pic_point"));
-	&test	(&DWP(0,"ebp"),1<<24);		# test FXSR bit
-	&jz	(&label("x86"));
-	&test	(&DWP(4,"ebp"),1<<9);		# test SSSE3 bit
-	&jz	(&label("x86"));
-	&jmp	(&label("ssse3_shortcut"));
-&set_label("x86");
-}
+&function_begin("ChaCha20_ctr32_nohw");
 	&mov	("esi",&wparam(3));		# key
 	&mov	("edi",&wparam(4));		# counter and nonce
 
@@ -355,8 +339,7 @@
 
 &set_label("done");
 	&stack_pop(33);
-&set_label("no_data");
-&function_end("ChaCha20_ctr32");
+&function_end("ChaCha20_ctr32_nohw");
 
 if ($xmm) {
 my ($xa,$xa_,$xb,$xb_,$xc,$xc_,$xd,$xd_)=map("xmm$_",(0..7));
@@ -428,8 +411,11 @@
 	($xd,$xd_)=($xd_,$xd);
 }
 
-&function_begin("ChaCha20_ssse3");
-&set_label("ssse3_shortcut");
+&function_begin("ChaCha20_ctr32_ssse3");
+	&call	(&label("pic_point"));
+&set_label("pic_point");
+	&blindpop("eax");
+
 	&mov		($out,&wparam(0));
 	&mov		($inp,&wparam(1));
 	&mov		($len,&wparam(2));
@@ -751,7 +737,7 @@
 }
 &set_label("done");
 	&mov		("esp",&DWP(512,"esp"));
-&function_end("ChaCha20_ssse3");
+&function_end("ChaCha20_ctr32_ssse3");
 
 &align	(64);
 &set_label("ssse3_data");
diff --git a/crypto/chacha/chacha.c b/crypto/chacha/chacha.c
index 68c0c5d..57ceab6 100644
--- a/crypto/chacha/chacha.c
+++ b/crypto/chacha/chacha.c
@@ -93,7 +93,7 @@
 }
 #endif
 
-#if defined(CHACHA20_ASM) || defined(CHACHA20_ASM_NOHW)
+#if defined(CHACHA20_ASM_NOHW)
 
 void CRYPTO_chacha_20(uint8_t *out, const uint8_t *in, size_t in_len,
                       const uint8_t key[32], const uint8_t nonce[12],
diff --git a/crypto/chacha/chacha_test.cc b/crypto/chacha/chacha_test.cc
index ff7bfd9..c6456f3 100644
--- a/crypto/chacha/chacha_test.cc
+++ b/crypto/chacha/chacha_test.cc
@@ -351,9 +351,6 @@
 
 static void check_abi(uint8_t *out, const uint8_t *in, size_t in_len,
                       const uint32_t key[8], const uint32_t counter[4]) {
-#if defined(CHACHA20_ASM)
-  CHECK_ABI(ChaCha20_ctr32, out, in, in_len, key, counter);
-#endif
 #if defined(CHACHA20_ASM_NEON)
   if (ChaCha20_ctr32_neon_capable(in_len)) {
     CHECK_ABI(ChaCha20_ctr32_neon, out, in, in_len, key, counter);
diff --git a/crypto/chacha/internal.h b/crypto/chacha/internal.h
index 48eb033..90024c3 100644
--- a/crypto/chacha/internal.h
+++ b/crypto/chacha/internal.h
@@ -31,7 +31,16 @@
 
 #if !defined(OPENSSL_NO_ASM) && defined(OPENSSL_X86)
 
-#define CHACHA20_ASM
+#define CHACHA20_ASM_NOHW
+
+#define CHACHA20_ASM_SSSE3
+OPENSSL_INLINE int ChaCha20_ctr32_ssse3_capable(size_t len) {
+  // Unlike the x86_64 version, the x86 SSSE3 routine runs for all non-zero
+  // lengths.
+  return len > 0 && CRYPTO_is_SSSE3_capable() && CRYPTO_is_FXSR_capable();
+}
+void ChaCha20_ctr32_ssse3(uint8_t *out, const uint8_t *in, size_t in_len,
+                          const uint32_t key[8], const uint32_t counter[4]);
 
 #elif !defined(OPENSSL_NO_ASM) && \
     (defined(OPENSSL_ARM) || defined(OPENSSL_AARCH64))
@@ -40,7 +49,7 @@
 
 #define CHACHA20_ASM_NEON
 OPENSSL_INLINE int ChaCha20_ctr32_neon_capable(size_t len) {
-  return (len >= 192) && CRYPTO_is_NEON_capable();
+  return len >= 192 && CRYPTO_is_NEON_capable();
 }
 void ChaCha20_ctr32_neon(uint8_t *out, const uint8_t *in, size_t in_len,
                          const uint32_t key[8], const uint32_t counter[4]);
@@ -49,15 +58,15 @@
 
 #define CHACHA20_ASM_AVX2
 OPENSSL_INLINE int ChaCha20_ctr32_avx2_capable(size_t len) {
-  return (len > 128) && CRYPTO_is_AVX2_capable();
+  return len > 128 && CRYPTO_is_AVX2_capable();
 }
 void ChaCha20_ctr32_avx2(uint8_t *out, const uint8_t *in, size_t in_len,
                          const uint32_t key[8], const uint32_t counter[4]);
 
 #define CHACHA20_ASM_SSSE3_4X
 OPENSSL_INLINE int ChaCha20_ctr32_ssse3_4x_capable(size_t len) {
-  int capable = (len > 128) && CRYPTO_is_SSSE3_capable();
-  int faster = (len > 192) || !CRYPTO_cpu_perf_is_like_silvermont();
+  int capable = len > 128 && CRYPTO_is_SSSE3_capable();
+  int faster = len > 192 || !CRYPTO_cpu_perf_is_like_silvermont();
   return capable && faster;
 }
 void ChaCha20_ctr32_ssse3_4x(uint8_t *out, const uint8_t *in, size_t in_len,
@@ -65,27 +74,22 @@
 
 #define CHACHA20_ASM_SSSE3
 OPENSSL_INLINE int ChaCha20_ctr32_ssse3_capable(size_t len) {
-  return (len > 128) && CRYPTO_is_SSSE3_capable();
+  return len > 128 && CRYPTO_is_SSSE3_capable();
 }
 void ChaCha20_ctr32_ssse3(uint8_t *out, const uint8_t *in, size_t in_len,
                           const uint32_t key[8], const uint32_t counter[4]);
 #endif
 
-#if defined(CHACHA20_ASM)
-// ChaCha20_ctr32 encrypts |in_len| bytes from |in| and writes the result to
-// |out|. If |in| and |out| alias, they must be equal.
+#if defined(CHACHA20_ASM_NOHW)
+// ChaCha20_ctr32_nohw encrypts |in_len| bytes from |in| and writes the result
+// to |out|. If |in| and |out| alias, they must be equal. |in_len| may not be
+// zero.
 //
 // |counter[0]| is the initial 32-bit block counter, and the remainder is the
 // 96-bit nonce. If the counter overflows, the output is undefined. The function
 // will produce output, but the output may vary by machine and may not be
 // self-consistent. (On some architectures, the assembly implements a mix of
 // 64-bit and 32-bit counters.)
-void ChaCha20_ctr32(uint8_t *out, const uint8_t *in, size_t in_len,
-                    const uint32_t key[8], const uint32_t counter[4]);
-#endif
-
-#if defined(CHACHA20_ASM_NOHW)
-// ChaCha20_ctr32_nohw is like |ChaCha20_ctr32| except |in_len| must be nonzero.
 void ChaCha20_ctr32_nohw(uint8_t *out, const uint8_t *in, size_t in_len,
                          const uint32_t key[8], const uint32_t counter[4]);
 #endif