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authorJosé Fonseca <jrfonseca@tungstengraphics.com>2008-09-29 19:09:39 +0900
committerJosé Fonseca <jrfonseca@tungstengraphics.com>2008-09-29 19:09:39 +0900
commit6607f2cf19d083a979716a341e6e175aef7d6830 (patch)
tree8b1ccd753c2630a11e761886d94c3183ce0ffe99 /src/gallium/auxiliary
parentfe1c9872ae258b78f195c1885ddfc29d07d17cf6 (diff)
rtasm: Implement immediate group 1 instructions. Fix SIB emition.
Diffstat (limited to 'src/gallium/auxiliary')
-rw-r--r--src/gallium/auxiliary/rtasm/rtasm_x86sse.c66
-rw-r--r--src/gallium/auxiliary/rtasm/rtasm_x86sse.h11
2 files changed, 62 insertions, 15 deletions
diff --git a/src/gallium/auxiliary/rtasm/rtasm_x86sse.c b/src/gallium/auxiliary/rtasm/rtasm_x86sse.c
index 6d4c081e04..3bba9dcc07 100644
--- a/src/gallium/auxiliary/rtasm/rtasm_x86sse.c
+++ b/src/gallium/auxiliary/rtasm/rtasm_x86sse.c
@@ -240,7 +240,8 @@ static void emit_modrm( struct x86_function *p,
/* Oh-oh we've stumbled into the SIB thing.
*/
if (regmem.file == file_REG32 &&
- regmem.idx == reg_SP) {
+ regmem.idx == reg_SP &&
+ regmem.mod != mod_REG) {
emit_1ub(p, 0x24); /* simplistic! */
}
@@ -435,25 +436,70 @@ void x86_call( struct x86_function *p, struct x86_reg reg)
}
-/* michal:
- * Temporary. As I need immediate operands, and dont want to mess with the codegen,
- * I load the immediate into general purpose register and use it.
- */
void x86_mov_reg_imm( struct x86_function *p, struct x86_reg dst, int imm )
{
DUMP_RI( dst, imm );
+ assert(dst.file == file_REG32);
assert(dst.mod == mod_REG);
emit_1ub(p, 0xb8 + dst.idx);
emit_1i(p, imm);
}
-void x86_add_reg_imm8( struct x86_function *p, struct x86_reg dst, ubyte imm )
+/**
+ * Immediate group 1 instructions.
+ */
+static INLINE void
+x86_group1_imm( struct x86_function *p,
+ unsigned op, struct x86_reg dst, int imm )
{
- DUMP_RI( dst, imm );
+ assert(dst.file == file_REG32);
assert(dst.mod == mod_REG);
- emit_1ub(p, 0x80);
- emit_modrm_noreg(p, 0, dst);
- emit_1ub(p, imm);
+ if(-0x80 <= imm && imm < 0x80) {
+ emit_1ub(p, 0x83);
+ emit_modrm_noreg(p, op, dst);
+ emit_1b(p, (char)imm);
+ }
+ else {
+ emit_1ub(p, 0x81);
+ emit_modrm_noreg(p, op, dst);
+ emit_1i(p, imm);
+ }
+}
+
+void x86_add_imm( struct x86_function *p, struct x86_reg dst, int imm )
+{
+ DUMP_RI( dst, imm );
+ x86_group1_imm(p, 0, dst, imm);
+}
+
+void x86_or_imm( struct x86_function *p, struct x86_reg dst, int imm )
+{
+ DUMP_RI( dst, imm );
+ x86_group1_imm(p, 1, dst, imm);
+}
+
+void x86_and_imm( struct x86_function *p, struct x86_reg dst, int imm )
+{
+ DUMP_RI( dst, imm );
+ x86_group1_imm(p, 4, dst, imm);
+}
+
+void x86_sub_imm( struct x86_function *p, struct x86_reg dst, int imm )
+{
+ DUMP_RI( dst, imm );
+ x86_group1_imm(p, 5, dst, imm);
+}
+
+void x86_xor_imm( struct x86_function *p, struct x86_reg dst, int imm )
+{
+ DUMP_RI( dst, imm );
+ x86_group1_imm(p, 6, dst, imm);
+}
+
+void x86_cmp_imm( struct x86_function *p, struct x86_reg dst, int imm )
+{
+ DUMP_RI( dst, imm );
+ x86_group1_imm(p, 7, dst, imm);
}
diff --git a/src/gallium/auxiliary/rtasm/rtasm_x86sse.h b/src/gallium/auxiliary/rtasm/rtasm_x86sse.h
index af94577aab..510aa1b0de 100644
--- a/src/gallium/auxiliary/rtasm/rtasm_x86sse.h
+++ b/src/gallium/auxiliary/rtasm/rtasm_x86sse.h
@@ -152,12 +152,13 @@ void x86_jmp( struct x86_function *p, int label );
/* void x86_call( struct x86_function *p, void (*label)() ); */
void x86_call( struct x86_function *p, struct x86_reg reg);
-/* michal:
- * Temporary. As I need immediate operands, and dont want to mess with the codegen,
- * I load the immediate into general purpose register and use it.
- */
void x86_mov_reg_imm( struct x86_function *p, struct x86_reg dst, int imm );
-void x86_add_reg_imm8( struct x86_function *p, struct x86_reg dst, ubyte imm );
+void x86_add_imm( struct x86_function *p, struct x86_reg dst, int imm );
+void x86_or_imm( struct x86_function *p, struct x86_reg dst, int imm );
+void x86_and_imm( struct x86_function *p, struct x86_reg dst, int imm );
+void x86_sub_imm( struct x86_function *p, struct x86_reg dst, int imm );
+void x86_xor_imm( struct x86_function *p, struct x86_reg dst, int imm );
+void x86_cmp_imm( struct x86_function *p, struct x86_reg dst, int imm );
/* Macro for sse_shufps() and sse2_pshufd():