[PATCH 2/6 V2] [pcm_dmix assembly] change the token by symbolic names
frederic.recoules at univ-grenoble-alpes.fr
frederic.recoules at univ-grenoble-alpes.fr
Wed Apr 29 21:10:35 CEST 2020
From: Frédéric Recoules <frederic.recoules at orange.fr>
Note: produce exactly the same binary output.
Signed-off-by: Frédéric Recoules <frederic.recoules at orange.fr>
---
src/pcm/pcm_dmix_i386.h | 147 ++++++++++++++++++++------------------
src/pcm/pcm_dmix_x86_64.h | 93 ++++++++++++------------
2 files changed, 124 insertions(+), 116 deletions(-)
diff --git a/src/pcm/pcm_dmix_i386.h b/src/pcm/pcm_dmix_i386.h
index 2778cb1d..e816d5e0 100644
--- a/src/pcm/pcm_dmix_i386.h
+++ b/src/pcm/pcm_dmix_i386.h
@@ -47,14 +47,14 @@ static void MIX_AREAS_16(unsigned int size,
__asm__ __volatile__ (
"\n"
- "\tmovl %%ebx, %7\n" /* ebx is GOT pointer (-fPIC) */
+ "\tmovl %%ebx, %[old_ebx]\n" /* ebx is GOT pointer (-fPIC) */
/*
* initialization, load ESI, EDI, EBX registers
*/
- "\tmovl %1, %%edi\n"
- "\tmovl %2, %%esi\n"
- "\tmovl %3, %%ebx\n"
- "\tcmpl $0, %0\n"
+ "\tmovl %[dst], %%edi\n"
+ "\tmovl %[src], %%esi\n"
+ "\tmovl %[sum], %%ebx\n"
+ "\tcmpl $0, %[size]\n"
"\tjnz 2f\n"
"\tjmp 7f\n"
@@ -64,9 +64,9 @@ static void MIX_AREAS_16(unsigned int size,
*/
"\t.p2align 4,,15\n"
"1:"
- "\tadd %4, %%edi\n"
- "\tadd %5, %%esi\n"
- "\tadd %6, %%ebx\n"
+ "\tadd %[dst_step], %%edi\n"
+ "\tadd %[src_step], %%esi\n"
+ "\tadd %[sum_step], %%ebx\n"
/*
* sample = *src;
@@ -108,7 +108,7 @@ static void MIX_AREAS_16(unsigned int size,
/*
* while (size-- > 0)
*/
- "\tdecl %0\n"
+ "\tdecl %[size]\n"
"\tjnz 1b\n"
"\tjmp 7f\n"
@@ -122,7 +122,7 @@ static void MIX_AREAS_16(unsigned int size,
"\tmovw $0x7fff, (%%edi)\n"
"\tcmpl %%ecx,(%%ebx)\n"
"\tjnz 4b\n"
- "\tdecl %0\n"
+ "\tdecl %[size]\n"
"\tjnz 1b\n"
"\tjmp 7f\n"
@@ -136,16 +136,17 @@ static void MIX_AREAS_16(unsigned int size,
"\tmovw $-0x8000, (%%edi)\n"
"\tcmpl %%ecx, (%%ebx)\n"
"\tjnz 4b\n"
- "\tdecl %0\n"
+ "\tdecl %[size]\n"
"\tjnz 1b\n"
-
+
"7:"
- "\tmovl %7, %%ebx\n" /* ebx is GOT pointer (-fPIC) */
+ "\tmovl %[old_ebx], %%ebx\n" /* ebx is GOT pointer (-fPIC) */
: /* no output regs */
- : "m" (size), "m" (dst), "m" (src),
- "m" (sum), "m" (dst_step), "m" (src_step),
- "m" (sum_step), "m" (old_ebx)
+ : [size] "m" (size),
+ [dst] "m" (dst), [src] "m" (src), [sum] "m" (sum),
+ [dst_step] "m" (dst_step), [src_step] "m" (src_step),
+ [sum_step] "m" (sum_step), [old_ebx] "m" (old_ebx)
: "esi", "edi", "edx", "ecx", "eax"
);
}
@@ -171,22 +172,22 @@ static void MIX_AREAS_16_MMX(unsigned int size,
__asm__ __volatile__ (
"\n"
- "\tmovl %%ebx, %7\n" /* ebx is GOT pointer (-fPIC) */
+ "\tmovl %%ebx, %[old_ebx]\n" /* ebx is GOT pointer (-fPIC) */
/*
* initialization, load ESI, EDI, EBX registers
*/
- "\tmovl %1, %%edi\n"
- "\tmovl %2, %%esi\n"
- "\tmovl %3, %%ebx\n"
- "\tcmpl $0, %0\n"
+ "\tmovl %[dst], %%edi\n"
+ "\tmovl %[src], %%esi\n"
+ "\tmovl %[sum], %%ebx\n"
+ "\tcmpl $0, %[size]\n"
"\tjnz 2f\n"
"\tjmp 5f\n"
"\t.p2align 4,,15\n"
"1:"
- "\tadd %4, %%edi\n"
- "\tadd %5, %%esi\n"
- "\tadd %6, %%ebx\n"
+ "\tadd %[dst_step], %%edi\n"
+ "\tadd %[src_step], %%esi\n"
+ "\tadd %[sum_step], %%ebx\n"
"2:"
/*
@@ -226,16 +227,17 @@ static void MIX_AREAS_16_MMX(unsigned int size,
/*
* while (size-- > 0)
*/
- "\tdecl %0\n"
+ "\tdecl %[size]\n"
"\tjnz 1b\n"
"\temms\n"
"5:"
- "\tmovl %7, %%ebx\n" /* ebx is GOT pointer (-fPIC) */
+ "\tmovl %[old_ebx], %%ebx\n" /* ebx is GOT pointer (-fPIC) */
: /* no output regs */
- : "m" (size), "m" (dst), "m" (src),
- "m" (sum), "m" (dst_step), "m" (src_step),
- "m" (sum_step), "m" (old_ebx)
+ : [size] "m" (size),
+ [dst] "m" (dst), [src] "m" (src), [sum] "m" (sum),
+ [dst_step] "m" (dst_step), [src_step] "m" (src_step),
+ [sum_step] "m" (sum_step), [old_ebx] "m" (old_ebx)
: "esi", "edi", "edx", "ecx", "eax"
);
}
@@ -261,14 +263,14 @@ static void MIX_AREAS_32(unsigned int size,
__asm__ __volatile__ (
"\n"
- "\tmovl %%ebx, %7\n" /* ebx is GOT pointer (-fPIC) */
+ "\tmovl %%ebx, %[old_ebx]\n" /* ebx is GOT pointer (-fPIC) */
/*
* initialization, load ESI, EDI, EBX registers
*/
- "\tmovl %1, %%edi\n"
- "\tmovl %2, %%esi\n"
- "\tmovl %3, %%ebx\n"
- "\tcmpl $0, %0\n"
+ "\tmovl %[dst], %%edi\n"
+ "\tmovl %[src], %%esi\n"
+ "\tmovl %[sum], %%ebx\n"
+ "\tcmpl $0, %[size]\n"
"\tjnz 1f\n"
"\tjmp 6f\n"
@@ -335,20 +337,21 @@ static void MIX_AREAS_32(unsigned int size,
/*
* while (size-- > 0)
*/
- "\tdecl %0\n"
+ "\tdecl %[size]\n"
"\tjz 6f\n"
- "\tadd %4, %%edi\n"
- "\tadd %5, %%esi\n"
- "\tadd %6, %%ebx\n"
+ "\tadd %[dst_step], %%edi\n"
+ "\tadd %[src_step], %%esi\n"
+ "\tadd %[sum_step], %%ebx\n"
"\tjmp 1b\n"
-
+
"6:"
- "\tmovl %7, %%ebx\n" /* ebx is GOT pointer (-fPIC) */
+ "\tmovl %[old_ebx], %%ebx\n" /* ebx is GOT pointer (-fPIC) */
: /* no output regs */
- : "m" (size), "m" (dst), "m" (src),
- "m" (sum), "m" (dst_step), "m" (src_step),
- "m" (sum_step), "m" (old_ebx)
+ : [size] "m" (size),
+ [dst] "m" (dst), [src] "m" (src), [sum] "m" (sum),
+ [dst_step] "m" (dst_step), [src_step] "m" (src_step),
+ [sum_step] "m" (sum_step), [old_ebx] "m" (old_ebx)
: "esi", "edi", "edx", "ecx", "eax"
);
}
@@ -374,14 +377,14 @@ static void MIX_AREAS_24(unsigned int size,
__asm__ __volatile__ (
"\n"
- "\tmovl %%ebx, %7\n" /* ebx is GOT pointer (-fPIC) */
+ "\tmovl %%ebx, %[old_ebx]\n" /* ebx is GOT pointer (-fPIC) */
/*
* initialization, load ESI, EDI, EBX registers
*/
- "\tmovl %1, %%edi\n"
- "\tmovl %2, %%esi\n"
- "\tmovl %3, %%ebx\n"
- "\tcmpl $0, %0\n"
+ "\tmovl %[dst], %%edi\n"
+ "\tmovl %[src], %%esi\n"
+ "\tmovl %[sum], %%ebx\n"
+ "\tcmpl $0, %[size]\n"
"\tjnz 1f\n"
"\tjmp 6f\n"
@@ -441,20 +444,21 @@ static void MIX_AREAS_24(unsigned int size,
/*
* while (size-- > 0)
*/
- "\tdecl %0\n"
+ "\tdecl %[size]\n"
"\tjz 6f\n"
- "\tadd %4, %%edi\n"
- "\tadd %5, %%esi\n"
- "\tadd %6, %%ebx\n"
+ "\tadd %[dst_step], %%edi\n"
+ "\tadd %[src_step], %%esi\n"
+ "\tadd %[sum_step], %%ebx\n"
"\tjmp 1b\n"
-
+
"6:"
- "\tmovl %7, %%ebx\n" /* ebx is GOT pointer (-fPIC) */
+ "\tmovl %[old_ebx], %%ebx\n" /* ebx is GOT pointer (-fPIC) */
: /* no output regs */
- : "m" (size), "m" (dst), "m" (src),
- "m" (sum), "m" (dst_step), "m" (src_step),
- "m" (sum_step), "m" (old_ebx)
+ : [size] "m" (size),
+ [dst] "m" (dst), [src] "m" (src), [sum] "m" (sum),
+ [dst_step] "m" (dst_step), [src_step] "m" (src_step),
+ [sum_step] "m" (sum_step), [old_ebx] "m" (old_ebx)
: "esi", "edi", "edx", "ecx", "eax"
);
}
@@ -480,14 +484,14 @@ static void MIX_AREAS_24_CMOV(unsigned int size,
__asm__ __volatile__ (
"\n"
- "\tmovl %%ebx, %7\n" /* ebx is GOT pointer (-fPIC) */
+ "\tmovl %%ebx, %[old_ebx]\n" /* ebx is GOT pointer (-fPIC) */
/*
* initialization, load ESI, EDI, EBX registers
*/
- "\tmovl %1, %%edi\n"
- "\tmovl %2, %%esi\n"
- "\tmovl %3, %%ebx\n"
- "\tcmpl $0, %0\n"
+ "\tmovl %[dst], %%edi\n"
+ "\tmovl %[src], %%esi\n"
+ "\tmovl %[sum], %%ebx\n"
+ "\tcmpl $0, %[size]\n"
"\tjz 6f\n"
"\t.p2align 4,,15\n"
@@ -541,19 +545,20 @@ static void MIX_AREAS_24_CMOV(unsigned int size,
/*
* while (size-- > 0)
*/
- "\tadd %4, %%edi\n"
- "\tadd %5, %%esi\n"
- "\tadd %6, %%ebx\n"
- "\tdecl %0\n"
+ "\tadd %[dst_step], %%edi\n"
+ "\tadd %[src_step], %%esi\n"
+ "\tadd %[sum_step], %%ebx\n"
+ "\tdecl %[size]\n"
"\tjnz 1b\n"
-
+
"6:"
- "\tmovl %7, %%ebx\n" /* ebx is GOT pointer (-fPIC) */
+ "\tmovl %[old_ebx], %%ebx\n" /* ebx is GOT pointer (-fPIC) */
: /* no output regs */
- : "m" (size), "m" (dst), "m" (src),
- "m" (sum), "m" (dst_step), "m" (src_step),
- "m" (sum_step), "m" (old_ebx)
+ : [size] "m" (size),
+ [dst] "m" (dst), [src] "m" (src), [sum] "m" (sum),
+ [dst_step] "m" (dst_step), [src_step] "m" (src_step),
+ [sum_step] "m" (sum_step), [old_ebx] "m" (old_ebx)
: "esi", "edi", "edx", "ecx", "eax"
);
}
diff --git a/src/pcm/pcm_dmix_x86_64.h b/src/pcm/pcm_dmix_x86_64.h
index 1ef608af..dc433b35 100644
--- a/src/pcm/pcm_dmix_x86_64.h
+++ b/src/pcm/pcm_dmix_x86_64.h
@@ -48,18 +48,18 @@ static void MIX_AREAS_16(unsigned int size,
__asm__ __volatile__ (
"\n"
- "\tmovq %%rbx, %7\n"
+ "\tmovq %%rbx, %[old_rbx]\n"
/*
* initialization, load RSI, RDI, RBX registers
*/
- "\tmovq %1, %%rdi\n"
- "\tmovq %2, %%rsi\n"
- "\tmovq %3, %%rbx\n"
+ "\tmovq %[dst], %%rdi\n"
+ "\tmovq %[src], %%rsi\n"
+ "\tmovq %[sum], %%rbx\n"
/*
* while (size-- > 0) {
*/
- "\tcmpl $0, %0\n"
+ "\tcmpl $0, %[size]\n"
"jz 6f\n"
"\t.p2align 4,,15\n"
@@ -103,21 +103,22 @@ static void MIX_AREAS_16(unsigned int size,
/*
* while (size-- > 0)
*/
- "\tadd %4, %%rdi\n"
- "\tadd %5, %%rsi\n"
- "\tadd %6, %%rbx\n"
- "\tdecl %0\n"
+ "\tadd %[dst_step], %%rdi\n"
+ "\tadd %[src_step], %%rsi\n"
+ "\tadd %[sum_step], %%rbx\n"
+ "\tdecl %[size]\n"
"\tjnz 1b\n"
"6:"
-
+
"\temms\n"
- "\tmovq %7, %%rbx\n"
+ "\tmovq %[old_rbx], %%rbx\n"
: /* no output regs */
- : "m" (size), "m" (dst), "m" (src),
- "m" (sum), "m" (dst_step), "m" (src_step),
- "m" (sum_step), "m" (old_rbx)
+ : [size] "m" (size),
+ [dst] "m" (dst), [src] "m" (src), [sum] "m" (sum),
+ [dst_step] "m" (dst_step), [src_step] "m" (src_step),
+ [sum_step] "m" (sum_step), [old_rbx] "m" (old_rbx)
: "rsi", "rdi", "edx", "ecx", "eax"
);
}
@@ -143,18 +144,18 @@ static void MIX_AREAS_32(unsigned int size,
__asm__ __volatile__ (
"\n"
- "\tmovq %%rbx, %7\n"
+ "\tmovq %%rbx, %[old_rbx]\n"
/*
- * initialization, load ESI, EDI, EBX registers
+ * initialization, load RSI, RDI, RBX registers
*/
- "\tmovq %1, %%rdi\n"
- "\tmovq %2, %%rsi\n"
- "\tmovq %3, %%rbx\n"
+ "\tmovq %[dst], %%rdi\n"
+ "\tmovq %[src], %%rsi\n"
+ "\tmovq %[sum], %%rbx\n"
/*
* while (size-- > 0) {
*/
- "\tcmpl $0, %0\n"
+ "\tcmpl $0, %[size]\n"
"jz 6f\n"
"\t.p2align 4,,15\n"
@@ -220,19 +221,20 @@ static void MIX_AREAS_32(unsigned int size,
/*
* while (size-- > 0)
*/
- "\tadd %4, %%rdi\n"
- "\tadd %5, %%rsi\n"
- "\tadd %6, %%rbx\n"
- "\tdecl %0\n"
+ "\tadd %[dst_step], %%rdi\n"
+ "\tadd %[src_step], %%rsi\n"
+ "\tadd %[sum_step], %%rbx\n"
+ "\tdecl %[size]\n"
"\tjnz 1b\n"
-
+
"6:"
- "\tmovq %7, %%rbx\n"
+ "\tmovq %[old_rbx], %%rbx\n"
: /* no output regs */
- : "m" (size), "m" (dst), "m" (src),
- "m" (sum), "m" (dst_step), "m" (src_step),
- "m" (sum_step), "m" (old_rbx)
+ : [size] "m" (size),
+ [dst] "m" (dst), [src] "m" (src), [sum] "m" (sum),
+ [dst_step] "m" (dst_step), [src_step] "m" (src_step),
+ [sum_step] "m" (sum_step), [old_rbx] "m" (old_rbx)
: "rsi", "rdi", "edx", "ecx", "eax"
);
}
@@ -258,18 +260,18 @@ static void MIX_AREAS_24(unsigned int size,
__asm__ __volatile__ (
"\n"
- "\tmovq %%rbx, %7\n"
+ "\tmovq %%rbx, %[old_rbx]\n"
/*
- * initialization, load ESI, EDI, EBX registers
+ * initialization, load RSI, RDI, RBX registers
*/
- "\tmovq %1, %%rdi\n"
- "\tmovq %2, %%rsi\n"
- "\tmovq %3, %%rbx\n"
+ "\tmovq %[dst], %%rdi\n"
+ "\tmovq %[src], %%rsi\n"
+ "\tmovq %[sum], %%rbx\n"
/*
* while (size-- > 0) {
*/
- "\tcmpl $0, %0\n"
+ "\tcmpl $0, %[size]\n"
"jz 6f\n"
"\t.p2align 4,,15\n"
@@ -316,26 +318,27 @@ static void MIX_AREAS_24(unsigned int size,
"\tmovw %%ax, (%%rdi)\n"
"\tshrl $16, %%eax\n"
"\tmovb %%al, 2(%%rdi)\n"
-
+
"\tcmpl %%ecx, (%%rbx)\n"
"\tjnz 3b\n"
/*
* while (size-- > 0)
*/
- "\tadd %4, %%rdi\n"
- "\tadd %5, %%rsi\n"
- "\tadd %6, %%rbx\n"
- "\tdecl %0\n"
+ "\tadd %[dst_step], %%rdi\n"
+ "\tadd %[src_step], %%rsi\n"
+ "\tadd %[sum_step], %%rbx\n"
+ "\tdecl %[size]\n"
"\tjnz 1b\n"
-
+
"6:"
- "\tmovq %7, %%rbx\n"
+ "\tmovq %[old_rbx], %%rbx\n"
: /* no output regs */
- : "m" (size), "m" (dst), "m" (src),
- "m" (sum), "m" (dst_step), "m" (src_step),
- "m" (sum_step), "m" (old_rbx)
+ : [size] "m" (size),
+ [dst] "m" (dst), [src] "m" (src), [sum] "m" (sum),
+ [dst_step] "m" (dst_step), [src_step] "m" (src_step),
+ [sum_step] "m" (sum_step), [old_rbx] "m" (old_rbx)
: "rsi", "rdi", "edx", "ecx", "eax"
);
}
--
2.17.1
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