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rtasm: add a couple more insns, clean up x86_mul

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This commit is contained in:
Keith Whitwell 2008-04-18 17:32:39 +01:00
parent 073d9a28c2
commit 5b97c762ed
2 changed files with 29 additions and 7 deletions
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34
src/gallium/auxiliary/rtasm/rtasm_x86sse.c
View file

@ -33,11 +33,6 @@
#define DISASSEM 0
#define X86_TWOB 0x0f
static unsigned char *cptr( void (*label)() )
{
return (unsigned char *) label;
}
static void do_realloc( struct x86_function *p )
{
@ -304,6 +299,11 @@ void x86_jmp( struct x86_function *p, unsigned char *label)
}
#if 0
static unsigned char *cptr( void (*label)() )
{
return (unsigned char *) label;
}
/* This doesn't work once we start reallocating & copying the
* generated code on buffer fills, because the call is relative to the
* current pc.
@ -417,11 +417,14 @@ void x86_add( struct x86_function *p,
emit_op_modrm(p, 0x03, 0x01, dst, src );
}
/* Calculate EAX * src, results in EDX:EAX.
*/
void x86_mul( struct x86_function *p,
struct x86_reg src )
{
assert (src.file == file_REG32 && src.mod == mod_REG);
emit_op_modrm(p, 0xf7, 0, x86_make_reg (file_REG32, reg_SP), src );
// assert (src.file == file_REG32 && src.mod == mod_REG);
emit_1ub(p, 0xf7);
emit_modrm_noreg(p, 4, src );
}
void x86_sub( struct x86_function *p,
@ -646,6 +649,14 @@ void sse_cvtps2pi( struct x86_function *p,
emit_modrm( p, dst, src );
}
void sse2_cvtdq2ps( struct x86_function *p,
struct x86_reg dst,
struct x86_reg src )
{
emit_2ub(p, X86_TWOB, 0x5b);
emit_modrm( p, dst, src );
}
/* Shufps can also be used to implement a reduced swizzle when dest ==
* arg0.
@ -735,6 +746,15 @@ void sse2_packuswb( struct x86_function *p,
emit_modrm( p, dst, src );
}
void sse2_punpcklbw( struct x86_function *p,
struct x86_reg dst,
struct x86_reg src )
{
emit_3ub(p, 0x66, X86_TWOB, 0x60);
emit_modrm( p, dst, src );
}
void sse2_rcpps( struct x86_function *p,
struct x86_reg dst,
struct x86_reg src )

2
src/gallium/auxiliary/rtasm/rtasm_x86sse.h
View file

@ -165,6 +165,7 @@ void mmx_packuswb( struct x86_function *p, struct x86_reg dst, struct x86_reg sr
void sse2_cvtps2dq( struct x86_function *p, struct x86_reg dst, struct x86_reg src );
void sse2_cvttps2dq( struct x86_function *p, struct x86_reg dst, struct x86_reg src );
void sse2_cvtdq2ps( struct x86_function *p, struct x86_reg dst, struct x86_reg src );
void sse2_movd( struct x86_function *p, struct x86_reg dst, struct x86_reg src );
void sse2_packssdw( struct x86_function *p, struct x86_reg dst, struct x86_reg src );
void sse2_packsswb( struct x86_function *p, struct x86_reg dst, struct x86_reg src );
@ -202,6 +203,7 @@ void sse_rsqrtss( struct x86_function *p, struct x86_reg dst, struct x86_reg src
void sse_shufps( struct x86_function *p, struct x86_reg dest, struct x86_reg arg0,
unsigned char shuf );
void sse_pmovmskb( struct x86_function *p, struct x86_reg dest, struct x86_reg src );
void sse2_punpcklbw( struct x86_function *p, struct x86_reg dst, struct x86_reg src );
void x86_add( struct x86_function *p, struct x86_reg dst, struct x86_reg src );
void x86_and( struct x86_function *p, struct x86_reg dst, struct x86_reg src );